From e7e9943c87d857da650f228fdf6cb47b785b3ff9 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:23 -0800 Subject: perf python: Remove python 2 scripting support Python2 was deprecated 4 years ago, remove support and workarounds. Signed-off-by: Ian Rogers Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 73 ++++++++---------------------------------------- 1 file changed, 12 insertions(+), 61 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 2096cdbaa53b..ea6dbe6e4317 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -26,40 +26,14 @@ #include #include "../builtin.h" -#if PY_MAJOR_VERSION < 3 -#define _PyUnicode_FromString(arg) \ - PyString_FromString(arg) -#define _PyUnicode_AsString(arg) \ - PyString_AsString(arg) -#define _PyUnicode_FromFormat(...) \ - PyString_FromFormat(__VA_ARGS__) -#define _PyLong_FromLong(arg) \ - PyInt_FromLong(arg) - -#else - #define _PyUnicode_FromString(arg) \ PyUnicode_FromString(arg) #define _PyUnicode_FromFormat(...) \ PyUnicode_FromFormat(__VA_ARGS__) #define _PyLong_FromLong(arg) \ PyLong_FromLong(arg) -#endif -#ifndef Py_TYPE -#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) -#endif - -/* Define PyVarObject_HEAD_INIT for python 2.5 */ -#ifndef PyVarObject_HEAD_INIT -# define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, -#endif - -#if PY_MAJOR_VERSION < 3 -PyMODINIT_FUNC initperf(void); -#else PyMODINIT_FUNC PyInit_perf(void); -#endif #define member_def(type, member, ptype, help) \ { #member, ptype, \ @@ -117,7 +91,7 @@ static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent) pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) { ret = PyErr_NoMemory(); } else { - ret = _PyUnicode_FromString(s); + ret = PyUnicode_FromString(s); free(s); } return ret; @@ -148,7 +122,7 @@ static PyMemberDef pyrf_task_event__members[] = { static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent) { - return _PyUnicode_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " + return PyUnicode_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " "ptid: %u, time: %" PRI_lu64 "}", pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit", pevent->event.fork.pid, @@ -181,7 +155,7 @@ static PyMemberDef pyrf_comm_event__members[] = { static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent) { - return _PyUnicode_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", + return PyUnicode_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", pevent->event.comm.pid, pevent->event.comm.tid, pevent->event.comm.comm); @@ -212,7 +186,7 @@ static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent) { struct perf_record_throttle *te = (struct perf_record_throttle *)(&pevent->event.header + 1); - return _PyUnicode_FromFormat("{ type: %sthrottle, time: %" PRI_lu64 ", id: %" PRI_lu64 + return PyUnicode_FromFormat("{ type: %sthrottle, time: %" PRI_lu64 ", id: %" PRI_lu64 ", stream_id: %" PRI_lu64 " }", pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un", te->time, te->id, te->stream_id); @@ -247,7 +221,7 @@ static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent) pevent->event.lost.id, pevent->event.lost.lost) < 0) { ret = PyErr_NoMemory(); } else { - ret = _PyUnicode_FromString(s); + ret = PyUnicode_FromString(s); free(s); } return ret; @@ -274,7 +248,7 @@ static PyMemberDef pyrf_read_event__members[] = { static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent) { - return _PyUnicode_FromFormat("{ type: read, pid: %u, tid: %u }", + return PyUnicode_FromFormat("{ type: read, pid: %u, tid: %u }", pevent->event.read.pid, pevent->event.read.tid); /* @@ -309,7 +283,7 @@ static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) if (asprintf(&s, "{ type: sample }") < 0) { ret = PyErr_NoMemory(); } else { - ret = _PyUnicode_FromString(s); + ret = PyUnicode_FromString(s); free(s); } return ret; @@ -343,7 +317,7 @@ tracepoint_field(struct pyrf_event *pe, struct tep_format_field *field) } if (field->flags & TEP_FIELD_IS_STRING && is_printable_array(data + offset, len)) { - ret = _PyUnicode_FromString((char *)data + offset); + ret = PyUnicode_FromString((char *)data + offset); } else { ret = PyByteArray_FromStringAndSize((const char *) data + offset, len); field->flags &= ~TEP_FIELD_IS_STRING; @@ -432,7 +406,7 @@ static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent) !!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) { ret = PyErr_NoMemory(); } else { - ret = _PyUnicode_FromString(s); + ret = PyUnicode_FromString(s); free(s); } return ret; @@ -918,17 +892,8 @@ static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist, for (i = 0; i < evlist->core.pollfd.nr; ++i) { PyObject *file; -#if PY_MAJOR_VERSION < 3 - FILE *fp = fdopen(evlist->core.pollfd.entries[i].fd, "r"); - - if (fp == NULL) - goto free_list; - - file = PyFile_FromFile(fp, "perf", "r", NULL); -#else file = PyFile_FromFd(evlist->core.pollfd.entries[i].fd, "perf", "r", -1, NULL, NULL, NULL, 0); -#endif if (file == NULL) goto free_list; @@ -1234,9 +1199,9 @@ static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, tp_format = trace_event__tp_format(sys, name); if (IS_ERR(tp_format)) - return _PyLong_FromLong(-1); + return PyLong_FromLong(-1); - return _PyLong_FromLong(tp_format->id); + return PyLong_FromLong(tp_format->id); #endif // HAVE_LIBTRACEEVENT } @@ -1250,18 +1215,11 @@ static PyMethodDef perf__methods[] = { { .ml_name = NULL, } }; -#if PY_MAJOR_VERSION < 3 -PyMODINIT_FUNC initperf(void) -#else PyMODINIT_FUNC PyInit_perf(void) -#endif { PyObject *obj; int i; PyObject *dict; -#if PY_MAJOR_VERSION < 3 - PyObject *module = Py_InitModule("perf", perf__methods); -#else static struct PyModuleDef moduledef = { PyModuleDef_HEAD_INIT, "perf", /* m_name */ @@ -1274,7 +1232,6 @@ PyMODINIT_FUNC PyInit_perf(void) NULL, /* m_free */ }; PyObject *module = PyModule_Create(&moduledef); -#endif if (module == NULL || pyrf_event__setup_types() < 0 || @@ -1282,11 +1239,7 @@ PyMODINIT_FUNC PyInit_perf(void) pyrf_evsel__setup_types() < 0 || pyrf_thread_map__setup_types() < 0 || pyrf_cpu_map__setup_types() < 0) -#if PY_MAJOR_VERSION < 3 - return; -#else return module; -#endif /* The page_size is placed in util object. */ page_size = sysconf(_SC_PAGE_SIZE); @@ -1335,7 +1288,7 @@ PyMODINIT_FUNC PyInit_perf(void) goto error; for (i = 0; perf__constants[i].name != NULL; i++) { - obj = _PyLong_FromLong(perf__constants[i].value); + obj = PyLong_FromLong(perf__constants[i].value); if (obj == NULL) goto error; PyDict_SetItemString(dict, perf__constants[i].name, obj); @@ -1345,9 +1298,7 @@ PyMODINIT_FUNC PyInit_perf(void) error: if (PyErr_Occurred()) PyErr_SetString(PyExc_ImportError, "perf: Init failed!"); -#if PY_MAJOR_VERSION >= 3 return module; -#endif } -- cgit v1.2.3 From b8816289ab390f63c7bfeb9a369defa732114f0e Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:24 -0800 Subject: perf python: Constify variables and parameters Opportunistically constify variables and parameters when possible. Signed-off-by: Ian Rogers Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-3-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 55 +++++++++++++++++++++++++----------------------- 1 file changed, 29 insertions(+), 26 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index ea6dbe6e4317..e04c05612830 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -63,7 +63,7 @@ struct pyrf_event { sample_member_def(sample_period, period, T_ULONGLONG, "event period"), \ sample_member_def(sample_cpu, cpu, T_UINT, "event cpu"), -static char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object."); +static const char pyrf_mmap_event__doc[] = PyDoc_STR("perf mmap event object."); static PyMemberDef pyrf_mmap_event__members[] = { sample_members @@ -78,7 +78,7 @@ static PyMemberDef pyrf_mmap_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_mmap_event__repr(const struct pyrf_event *pevent) { PyObject *ret; char *s; @@ -107,7 +107,7 @@ static PyTypeObject pyrf_mmap_event__type = { .tp_repr = (reprfunc)pyrf_mmap_event__repr, }; -static char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object."); +static const char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object."); static PyMemberDef pyrf_task_event__members[] = { sample_members @@ -120,7 +120,7 @@ static PyMemberDef pyrf_task_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_task_event__repr(const struct pyrf_event *pevent) { return PyUnicode_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " "ptid: %u, time: %" PRI_lu64 "}", @@ -142,7 +142,7 @@ static PyTypeObject pyrf_task_event__type = { .tp_repr = (reprfunc)pyrf_task_event__repr, }; -static char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object."); +static const char pyrf_comm_event__doc[] = PyDoc_STR("perf comm event object."); static PyMemberDef pyrf_comm_event__members[] = { sample_members @@ -153,7 +153,7 @@ static PyMemberDef pyrf_comm_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_comm_event__repr(const struct pyrf_event *pevent) { return PyUnicode_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", pevent->event.comm.pid, @@ -171,7 +171,7 @@ static PyTypeObject pyrf_comm_event__type = { .tp_repr = (reprfunc)pyrf_comm_event__repr, }; -static char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object."); +static const char pyrf_throttle_event__doc[] = PyDoc_STR("perf throttle event object."); static PyMemberDef pyrf_throttle_event__members[] = { sample_members @@ -182,9 +182,10 @@ static PyMemberDef pyrf_throttle_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_throttle_event__repr(const struct pyrf_event *pevent) { - struct perf_record_throttle *te = (struct perf_record_throttle *)(&pevent->event.header + 1); + const struct perf_record_throttle *te = (const struct perf_record_throttle *) + (&pevent->event.header + 1); return PyUnicode_FromFormat("{ type: %sthrottle, time: %" PRI_lu64 ", id: %" PRI_lu64 ", stream_id: %" PRI_lu64 " }", @@ -202,7 +203,7 @@ static PyTypeObject pyrf_throttle_event__type = { .tp_repr = (reprfunc)pyrf_throttle_event__repr, }; -static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object."); +static const char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object."); static PyMemberDef pyrf_lost_event__members[] = { sample_members @@ -211,7 +212,7 @@ static PyMemberDef pyrf_lost_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_lost_event__repr(const struct pyrf_event *pevent) { PyObject *ret; char *s; @@ -237,7 +238,7 @@ static PyTypeObject pyrf_lost_event__type = { .tp_repr = (reprfunc)pyrf_lost_event__repr, }; -static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object."); +static const char pyrf_read_event__doc[] = PyDoc_STR("perf read event object."); static PyMemberDef pyrf_read_event__members[] = { sample_members @@ -246,7 +247,7 @@ static PyMemberDef pyrf_read_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_read_event__repr(const struct pyrf_event *pevent) { return PyUnicode_FromFormat("{ type: read, pid: %u, tid: %u }", pevent->event.read.pid, @@ -267,7 +268,7 @@ static PyTypeObject pyrf_read_event__type = { .tp_repr = (reprfunc)pyrf_read_event__repr, }; -static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object."); +static const char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object."); static PyMemberDef pyrf_sample_event__members[] = { sample_members @@ -275,7 +276,7 @@ static PyMemberDef pyrf_sample_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_sample_event__repr(const struct pyrf_event *pevent) { PyObject *ret; char *s; @@ -290,13 +291,13 @@ static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) } #ifdef HAVE_LIBTRACEEVENT -static bool is_tracepoint(struct pyrf_event *pevent) +static bool is_tracepoint(const struct pyrf_event *pevent) { return pevent->evsel->core.attr.type == PERF_TYPE_TRACEPOINT; } static PyObject* -tracepoint_field(struct pyrf_event *pe, struct tep_format_field *field) +tracepoint_field(const struct pyrf_event *pe, struct tep_format_field *field) { struct tep_handle *pevent = field->event->tep; void *data = pe->sample.raw_data; @@ -385,7 +386,7 @@ static PyTypeObject pyrf_sample_event__type = { .tp_getattro = (getattrofunc) pyrf_sample_event__getattro, }; -static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object."); +static const char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object."); static PyMemberDef pyrf_context_switch_event__members[] = { sample_members @@ -395,7 +396,7 @@ static PyMemberDef pyrf_context_switch_event__members[] = { { .name = NULL, }, }; -static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent) +static PyObject *pyrf_context_switch_event__repr(const struct pyrf_event *pevent) { PyObject *ret; char *s; @@ -475,7 +476,7 @@ static PyTypeObject *pyrf_event__type[] = { [PERF_RECORD_SWITCH_CPU_WIDE] = &pyrf_context_switch_event__type, }; -static PyObject *pyrf_event__new(union perf_event *event) +static PyObject *pyrf_event__new(const union perf_event *event) { struct pyrf_event *pevent; PyTypeObject *ptype; @@ -543,7 +544,7 @@ static PySequenceMethods pyrf_cpu_map__sequence_methods = { .sq_item = pyrf_cpu_map__item, }; -static char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object."); +static const char pyrf_cpu_map__doc[] = PyDoc_STR("cpu map object."); static PyTypeObject pyrf_cpu_map__type = { PyVarObject_HEAD_INIT(NULL, 0) @@ -612,7 +613,7 @@ static PySequenceMethods pyrf_thread_map__sequence_methods = { .sq_item = pyrf_thread_map__item, }; -static char pyrf_thread_map__doc[] = PyDoc_STR("thread map object."); +static const char pyrf_thread_map__doc[] = PyDoc_STR("thread map object."); static PyTypeObject pyrf_thread_map__type = { PyVarObject_HEAD_INIT(NULL, 0) @@ -796,7 +797,7 @@ static PyMethodDef pyrf_evsel__methods[] = { { .ml_name = NULL, } }; -static char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object."); +static const char pyrf_evsel__doc[] = PyDoc_STR("perf event selector list object."); static PyTypeObject pyrf_evsel__type = { PyVarObject_HEAD_INIT(NULL, 0) @@ -1079,7 +1080,7 @@ static PySequenceMethods pyrf_evlist__sequence_methods = { .sq_item = pyrf_evlist__item, }; -static char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object."); +static const char pyrf_evlist__doc[] = PyDoc_STR("perf event selector list object."); static PyTypeObject pyrf_evlist__type = { PyVarObject_HEAD_INIT(NULL, 0) @@ -1101,10 +1102,12 @@ static int pyrf_evlist__setup_types(void) #define PERF_CONST(name) { #name, PERF_##name } -static struct { +struct perf_constant { const char *name; int value; -} perf__constants[] = { +}; + +static const struct perf_constant perf__constants[] = { PERF_CONST(TYPE_HARDWARE), PERF_CONST(TYPE_SOFTWARE), PERF_CONST(TYPE_TRACEPOINT), -- cgit v1.2.3 From c027e637bba16cff96292df09e962e635c048c11 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:25 -0800 Subject: perf python: Remove unused #include Remove unused #include of bpf-filter.h. Signed-off-by: Ian Rogers Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 1 - 1 file changed, 1 deletion(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index e04c05612830..140437042a73 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -16,7 +16,6 @@ #include "thread_map.h" #include "trace-event.h" #include "mmap.h" -#include "util/bpf-filter.h" #include "util/env.h" #include "util/kvm-stat.h" #include "util/stat.h" -- cgit v1.2.3 From 702c7a4aec38a29d8a61a6e4af6cbfc9ca2c33a9 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:26 -0800 Subject: perf script: Move scripting_max_stack out of builtin scripting_max_stack is used in util code which is linked into the python module. Move the variable declaration to util/trace-event-scripting.c to avoid conditional compilation. Signed-off-by: Ian Rogers Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-5-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 2 -- tools/perf/util/python.c | 2 -- tools/perf/util/trace-event-scripting.c | 3 +++ 3 files changed, 3 insertions(+), 4 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index aad607b8918f..cc42b472dfff 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -92,8 +92,6 @@ static struct dlfilter *dlfilter; static int dlargc; static char **dlargv; -unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; - enum perf_output_field { PERF_OUTPUT_COMM = 1ULL << 0, PERF_OUTPUT_TID = 1ULL << 1, diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 140437042a73..029536c1fabc 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1307,8 +1307,6 @@ error: /* The following are stubs to avoid dragging in builtin-* objects. */ /* TODO: move the code out of the builtin-* file into util. */ -unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; - #ifdef HAVE_KVM_STAT_SUPPORT bool kvm_entry_event(struct evsel *evsel __maybe_unused) { diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index edfde7056c99..a7f0a14c05b6 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -16,9 +16,12 @@ #include "debug.h" #include "trace-event.h" #include "evsel.h" +#include #include #include "util/sample.h" +unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; + struct scripting_context *scripting_context; void scripting_context__update(struct scripting_context *c, -- cgit v1.2.3 From 3f1889422a1ddb5d834dcab17356059e3aac0d1b Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:27 -0800 Subject: perf kvm: Move functions used in util out of builtin The util library code is used by the python module but doesn't have access to the builtin files. Make a util/kvm-stat.c to match the kvm-stat.h file that declares the functions and move the functions there. Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-6-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-kvm.c | 61 ---------------------------------------- tools/perf/util/Build | 1 + tools/perf/util/kvm-stat.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++ tools/perf/util/kvm-stat.h | 3 ++ tools/perf/util/python.c | 32 --------------------- 5 files changed, 74 insertions(+), 93 deletions(-) create mode 100644 tools/perf/util/kvm-stat.c (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 274568d712d1..67fd2b006b0b 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -615,67 +615,6 @@ static const char *get_filename_for_perf_kvm(void) #if defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT) -void exit_event_get_key(struct evsel *evsel, - struct perf_sample *sample, - struct event_key *key) -{ - key->info = 0; - key->key = evsel__intval(evsel, sample, kvm_exit_reason); -} - -bool kvm_exit_event(struct evsel *evsel) -{ - return evsel__name_is(evsel, kvm_exit_trace); -} - -bool exit_event_begin(struct evsel *evsel, - struct perf_sample *sample, struct event_key *key) -{ - if (kvm_exit_event(evsel)) { - exit_event_get_key(evsel, sample, key); - return true; - } - - return false; -} - -bool kvm_entry_event(struct evsel *evsel) -{ - return evsel__name_is(evsel, kvm_entry_trace); -} - -bool exit_event_end(struct evsel *evsel, - struct perf_sample *sample __maybe_unused, - struct event_key *key __maybe_unused) -{ - return kvm_entry_event(evsel); -} - -static const char *get_exit_reason(struct perf_kvm_stat *kvm, - struct exit_reasons_table *tbl, - u64 exit_code) -{ - while (tbl->reason != NULL) { - if (tbl->exit_code == exit_code) - return tbl->reason; - tbl++; - } - - pr_err("unknown kvm exit code:%lld on %s\n", - (unsigned long long)exit_code, kvm->exit_reasons_isa); - return "UNKNOWN"; -} - -void exit_event_decode_key(struct perf_kvm_stat *kvm, - struct event_key *key, - char *decode) -{ - const char *exit_reason = get_exit_reason(kvm, key->exit_reasons, - key->key); - - scnprintf(decode, KVM_EVENT_NAME_LEN, "%s", exit_reason); -} - static bool register_kvm_events_ops(struct perf_kvm_stat *kvm) { struct kvm_reg_events_ops *events_ops = kvm_reg_events_ops; diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 93315bcba7bc..e1c8d191c510 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -121,6 +121,7 @@ perf-util-y += spark.o perf-util-y += topdown.o perf-util-y += iostat.o perf-util-y += stream.o +perf-util-y += kvm-stat.o perf-util-$(CONFIG_AUXTRACE) += auxtrace.o perf-util-$(CONFIG_AUXTRACE) += intel-pt-decoder/ perf-util-$(CONFIG_AUXTRACE) += intel-pt.o diff --git a/tools/perf/util/kvm-stat.c b/tools/perf/util/kvm-stat.c new file mode 100644 index 000000000000..38ace736db5c --- /dev/null +++ b/tools/perf/util/kvm-stat.c @@ -0,0 +1,70 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "debug.h" +#include "evsel.h" +#include "kvm-stat.h" + +#if defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT) + +bool kvm_exit_event(struct evsel *evsel) +{ + return evsel__name_is(evsel, kvm_exit_trace); +} + +void exit_event_get_key(struct evsel *evsel, + struct perf_sample *sample, + struct event_key *key) +{ + key->info = 0; + key->key = evsel__intval(evsel, sample, kvm_exit_reason); +} + + +bool exit_event_begin(struct evsel *evsel, + struct perf_sample *sample, struct event_key *key) +{ + if (kvm_exit_event(evsel)) { + exit_event_get_key(evsel, sample, key); + return true; + } + + return false; +} + +bool kvm_entry_event(struct evsel *evsel) +{ + return evsel__name_is(evsel, kvm_entry_trace); +} + +bool exit_event_end(struct evsel *evsel, + struct perf_sample *sample __maybe_unused, + struct event_key *key __maybe_unused) +{ + return kvm_entry_event(evsel); +} + +static const char *get_exit_reason(struct perf_kvm_stat *kvm, + struct exit_reasons_table *tbl, + u64 exit_code) +{ + while (tbl->reason != NULL) { + if (tbl->exit_code == exit_code) + return tbl->reason; + tbl++; + } + + pr_err("unknown kvm exit code:%lld on %s\n", + (unsigned long long)exit_code, kvm->exit_reasons_isa); + return "UNKNOWN"; +} + +void exit_event_decode_key(struct perf_kvm_stat *kvm, + struct event_key *key, + char *decode) +{ + const char *exit_reason = get_exit_reason(kvm, key->exit_reasons, + key->key); + + scnprintf(decode, KVM_EVENT_NAME_LEN, "%s", exit_reason); +} + +#endif diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h index 3e9ac754c3d1..4249542544bb 100644 --- a/tools/perf/util/kvm-stat.h +++ b/tools/perf/util/kvm-stat.h @@ -115,6 +115,8 @@ struct kvm_reg_events_ops { struct kvm_events_ops *ops; }; +#if defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT) + void exit_event_get_key(struct evsel *evsel, struct perf_sample *sample, struct event_key *key); @@ -127,6 +129,7 @@ bool exit_event_end(struct evsel *evsel, void exit_event_decode_key(struct perf_kvm_stat *kvm, struct event_key *key, char *decode); +#endif bool kvm_exit_event(struct evsel *evsel); bool kvm_entry_event(struct evsel *evsel); diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 029536c1fabc..f8b291143884 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1307,38 +1307,6 @@ error: /* The following are stubs to avoid dragging in builtin-* objects. */ /* TODO: move the code out of the builtin-* file into util. */ -#ifdef HAVE_KVM_STAT_SUPPORT -bool kvm_entry_event(struct evsel *evsel __maybe_unused) -{ - return false; -} - -bool kvm_exit_event(struct evsel *evsel __maybe_unused) -{ - return false; -} - -bool exit_event_begin(struct evsel *evsel __maybe_unused, - struct perf_sample *sample __maybe_unused, - struct event_key *key __maybe_unused) -{ - return false; -} - -bool exit_event_end(struct evsel *evsel __maybe_unused, - struct perf_sample *sample __maybe_unused, - struct event_key *key __maybe_unused) -{ - return false; -} - -void exit_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused, - struct event_key *key __maybe_unused, - char *decode __maybe_unused) -{ -} -#endif // HAVE_KVM_STAT_SUPPORT - int find_scripts(char **scripts_array __maybe_unused, char **scripts_path_array __maybe_unused, int num __maybe_unused, int pathlen __maybe_unused) { -- cgit v1.2.3 From d927e30ca0b130d81c61dd031eeae22328a778ba Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:29 -0800 Subject: perf script: Move find_scripts to browser/scripts.c The only use of find_scripts is in browser/scripts.c but the definition in builtin causes linking problems requiring a stub in python.c. Move the function to allow the stub to be removed. Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Acked-by: Namhyung Kim Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-8-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 171 ------------------------------------- tools/perf/builtin.h | 6 -- tools/perf/ui/browsers/scripts.c | 177 ++++++++++++++++++++++++++++++++++++++- tools/perf/util/python.c | 6 -- 4 files changed, 175 insertions(+), 185 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 196e2f3438c5..25c25058121a 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -3526,177 +3526,6 @@ static void free_dlarg(void) free(dlargv); } -/* - * Some scripts specify the required events in their "xxx-record" file, - * this function will check if the events in perf.data match those - * mentioned in the "xxx-record". - * - * Fixme: All existing "xxx-record" are all in good formats "-e event ", - * which is covered well now. And new parsing code should be added to - * cover the future complex formats like event groups etc. - */ -static int check_ev_match(int dir_fd, const char *scriptname, struct perf_session *session) -{ - char line[BUFSIZ]; - FILE *fp; - - { - char filename[FILENAME_MAX + 5]; - int fd; - - scnprintf(filename, sizeof(filename), "bin/%s-record", scriptname); - fd = openat(dir_fd, filename, O_RDONLY); - if (fd == -1) - return -1; - fp = fdopen(fd, "r"); - if (!fp) - return -1; - } - - while (fgets(line, sizeof(line), fp)) { - char *p = skip_spaces(line); - - if (*p == '#') - continue; - - while (strlen(p)) { - int match, len; - struct evsel *pos; - char evname[128]; - - p = strstr(p, "-e"); - if (!p) - break; - - p += 2; - p = skip_spaces(p); - len = strcspn(p, " \t"); - if (!len) - break; - - snprintf(evname, len + 1, "%s", p); - - match = 0; - evlist__for_each_entry(session->evlist, pos) { - if (evsel__name_is(pos, evname)) { - match = 1; - break; - } - } - - if (!match) { - fclose(fp); - return -1; - } - } - } - - fclose(fp); - return 0; -} - -/* - * Return -1 if none is found, otherwise the actual scripts number. - * - * Currently the only user of this function is the script browser, which - * will list all statically runnable scripts, select one, execute it and - * show the output in a perf browser. - */ -int find_scripts(char **scripts_array, char **scripts_path_array, int num, - int pathlen) -{ - struct dirent *script_dirent, *lang_dirent; - int scripts_dir_fd, lang_dir_fd; - DIR *scripts_dir, *lang_dir; - struct perf_session *session; - struct perf_data data = { - .path = input_name, - .mode = PERF_DATA_MODE_READ, - }; - char *temp; - int i = 0; - const char *exec_path = get_argv_exec_path(); - - session = perf_session__new(&data, NULL); - if (IS_ERR(session)) - return PTR_ERR(session); - - { - char scripts_path[PATH_MAX]; - - snprintf(scripts_path, sizeof(scripts_path), "%s/scripts", exec_path); - scripts_dir_fd = open(scripts_path, O_DIRECTORY); - pr_err("Failed to open directory '%s'", scripts_path); - if (scripts_dir_fd == -1) { - perf_session__delete(session); - return -1; - } - } - scripts_dir = fdopendir(scripts_dir_fd); - if (!scripts_dir) { - close(scripts_dir_fd); - perf_session__delete(session); - return -1; - } - - while ((lang_dirent = readdir(scripts_dir)) != NULL) { - if (lang_dirent->d_type != DT_DIR && - (lang_dirent->d_type == DT_UNKNOWN && - !is_directory_at(scripts_dir_fd, lang_dirent->d_name))) - continue; - if (!strcmp(lang_dirent->d_name, ".") || !strcmp(lang_dirent->d_name, "..")) - continue; - -#ifndef HAVE_LIBPERL_SUPPORT - if (strstr(lang_dirent->d_name, "perl")) - continue; -#endif -#ifndef HAVE_LIBPYTHON_SUPPORT - if (strstr(lang_dirent->d_name, "python")) - continue; -#endif - - lang_dir_fd = openat(scripts_dir_fd, lang_dirent->d_name, O_DIRECTORY); - if (lang_dir_fd == -1) - continue; - lang_dir = fdopendir(lang_dir_fd); - if (!lang_dir) { - close(lang_dir_fd); - continue; - } - while ((script_dirent = readdir(lang_dir)) != NULL) { - if (script_dirent->d_type == DT_DIR) - continue; - if (script_dirent->d_type == DT_UNKNOWN && - is_directory_at(lang_dir_fd, script_dirent->d_name)) - continue; - /* Skip those real time scripts: xxxtop.p[yl] */ - if (strstr(script_dirent->d_name, "top.")) - continue; - if (i >= num) - break; - scnprintf(scripts_path_array[i], pathlen, "%s/scripts/%s/%s", - exec_path, - lang_dirent->d_name, - script_dirent->d_name); - temp = strchr(script_dirent->d_name, '.'); - snprintf(scripts_array[i], - (temp - script_dirent->d_name) + 1, - "%s", script_dirent->d_name); - - if (check_ev_match(lang_dir_fd, scripts_array[i], session)) - continue; - - i++; - } - closedir(lang_dir); - } - - closedir(scripts_dir); - perf_session__delete(session); - return i; -} - static char *get_script_path(const char *script_root, const char *suffix) { struct dirent *script_dirent, *lang_dirent; diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h index 94f4b3769bf7..a07e93c53848 100644 --- a/tools/perf/builtin.h +++ b/tools/perf/builtin.h @@ -2,10 +2,6 @@ #ifndef BUILTIN_H #define BUILTIN_H -#include -#include -#include - struct feature_status { const char *name; const char *macro; @@ -56,6 +52,4 @@ int cmd_ftrace(int argc, const char **argv); int cmd_daemon(int argc, const char **argv); int cmd_kwork(int argc, const char **argv); -int find_scripts(char **scripts_array, char **scripts_path_array, int num, - int pathlen); #endif diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c index e437d7889de6..2d04ece833aa 100644 --- a/tools/perf/ui/browsers/scripts.c +++ b/tools/perf/ui/browsers/scripts.c @@ -1,16 +1,18 @@ // SPDX-License-Identifier: GPL-2.0 -#include "../../builtin.h" -#include "../../perf.h" #include "../../util/util.h" // perf_exe() #include "../util.h" +#include "../../util/evlist.h" #include "../../util/hist.h" #include "../../util/debug.h" +#include "../../util/session.h" #include "../../util/symbol.h" #include "../browser.h" #include "../libslang.h" #include "config.h" +#include #include #include +#include #include #define SCRIPT_NAMELEN 128 @@ -77,6 +79,177 @@ static int scripts_config(const char *var, const char *value, void *data) return 0; } +/* + * Some scripts specify the required events in their "xxx-record" file, + * this function will check if the events in perf.data match those + * mentioned in the "xxx-record". + * + * Fixme: All existing "xxx-record" are all in good formats "-e event ", + * which is covered well now. And new parsing code should be added to + * cover the future complex formats like event groups etc. + */ +static int check_ev_match(int dir_fd, const char *scriptname, struct perf_session *session) +{ + char line[BUFSIZ]; + FILE *fp; + + { + char filename[FILENAME_MAX + 5]; + int fd; + + scnprintf(filename, sizeof(filename), "bin/%s-record", scriptname); + fd = openat(dir_fd, filename, O_RDONLY); + if (fd == -1) + return -1; + fp = fdopen(fd, "r"); + if (!fp) + return -1; + } + + while (fgets(line, sizeof(line), fp)) { + char *p = skip_spaces(line); + + if (*p == '#') + continue; + + while (strlen(p)) { + int match, len; + struct evsel *pos; + char evname[128]; + + p = strstr(p, "-e"); + if (!p) + break; + + p += 2; + p = skip_spaces(p); + len = strcspn(p, " \t"); + if (!len) + break; + + snprintf(evname, len + 1, "%s", p); + + match = 0; + evlist__for_each_entry(session->evlist, pos) { + if (evsel__name_is(pos, evname)) { + match = 1; + break; + } + } + + if (!match) { + fclose(fp); + return -1; + } + } + } + + fclose(fp); + return 0; +} + +/* + * Return -1 if none is found, otherwise the actual scripts number. + * + * Currently the only user of this function is the script browser, which + * will list all statically runnable scripts, select one, execute it and + * show the output in a perf browser. + */ +static int find_scripts(char **scripts_array, char **scripts_path_array, int num, + int pathlen) +{ + struct dirent *script_dirent, *lang_dirent; + int scripts_dir_fd, lang_dir_fd; + DIR *scripts_dir, *lang_dir; + struct perf_session *session; + struct perf_data data = { + .path = input_name, + .mode = PERF_DATA_MODE_READ, + }; + char *temp; + int i = 0; + const char *exec_path = get_argv_exec_path(); + + session = perf_session__new(&data, NULL); + if (IS_ERR(session)) + return PTR_ERR(session); + + { + char scripts_path[PATH_MAX]; + + snprintf(scripts_path, sizeof(scripts_path), "%s/scripts", exec_path); + scripts_dir_fd = open(scripts_path, O_DIRECTORY); + pr_err("Failed to open directory '%s'", scripts_path); + if (scripts_dir_fd == -1) { + perf_session__delete(session); + return -1; + } + } + scripts_dir = fdopendir(scripts_dir_fd); + if (!scripts_dir) { + close(scripts_dir_fd); + perf_session__delete(session); + return -1; + } + + while ((lang_dirent = readdir(scripts_dir)) != NULL) { + if (lang_dirent->d_type != DT_DIR && + (lang_dirent->d_type == DT_UNKNOWN && + !is_directory_at(scripts_dir_fd, lang_dirent->d_name))) + continue; + if (!strcmp(lang_dirent->d_name, ".") || !strcmp(lang_dirent->d_name, "..")) + continue; + +#ifndef HAVE_LIBPERL_SUPPORT + if (strstr(lang_dirent->d_name, "perl")) + continue; +#endif +#ifndef HAVE_LIBPYTHON_SUPPORT + if (strstr(lang_dirent->d_name, "python")) + continue; +#endif + + lang_dir_fd = openat(scripts_dir_fd, lang_dirent->d_name, O_DIRECTORY); + if (lang_dir_fd == -1) + continue; + lang_dir = fdopendir(lang_dir_fd); + if (!lang_dir) { + close(lang_dir_fd); + continue; + } + while ((script_dirent = readdir(lang_dir)) != NULL) { + if (script_dirent->d_type == DT_DIR) + continue; + if (script_dirent->d_type == DT_UNKNOWN && + is_directory_at(lang_dir_fd, script_dirent->d_name)) + continue; + /* Skip those real time scripts: xxxtop.p[yl] */ + if (strstr(script_dirent->d_name, "top.")) + continue; + if (i >= num) + break; + scnprintf(scripts_path_array[i], pathlen, "%s/scripts/%s/%s", + exec_path, + lang_dirent->d_name, + script_dirent->d_name); + temp = strchr(script_dirent->d_name, '.'); + snprintf(scripts_array[i], + (temp - script_dirent->d_name) + 1, + "%s", script_dirent->d_name); + + if (check_ev_match(lang_dir_fd, scripts_array[i], session)) + continue; + + i++; + } + closedir(lang_dir); + } + + closedir(scripts_dir); + perf_session__delete(session); + return i; +} + /* * When success, will copy the full path of the selected script * into the buffer pointed by script_name, and return 0. diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index f8b291143884..4593c937febb 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1307,12 +1307,6 @@ error: /* The following are stubs to avoid dragging in builtin-* objects. */ /* TODO: move the code out of the builtin-* file into util. */ -int find_scripts(char **scripts_array __maybe_unused, char **scripts_path_array __maybe_unused, - int num __maybe_unused, int pathlen __maybe_unused) -{ - return -1; -} - void perf_stat__set_no_csv_summary(int set __maybe_unused) { } -- cgit v1.2.3 From 9557d1562a8f49e8803265b4b30045f690b6d041 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:30 -0800 Subject: perf stat: Move stat_config into config.c stat_config is accessed by config.c via helper functions, but declared in builtin-stat. Move to util/config.c so that stub functions aren't needed in python.c which doesn't link against the builtin files. To avoid name conflicts change builtin-script to use the same stat_config as builtin-stat. Rename local variables in tests to avoid shadow declaration warnings. Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-9-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 1 - tools/perf/builtin-stat.c | 27 --------------------------- tools/perf/tests/stat.c | 16 +++++++++------- tools/perf/util/config.c | 27 +++++++++++++++++++++++++++ tools/perf/util/python.c | 10 ---------- tools/perf/util/stat.h | 3 ++- 6 files changed, 38 insertions(+), 46 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 25c25058121a..7d21a52ad94e 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -85,7 +85,6 @@ static bool system_wide; static bool print_flags; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); -static struct perf_stat_config stat_config; static int max_blocks; static bool native_arch; static struct dlfilter *dlfilter; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index fdf5172646a5..77e327d4a9a7 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -112,8 +112,6 @@ static struct target target = { .uid = UINT_MAX, }; -#define METRIC_ONLY_LEN 20 - static volatile sig_atomic_t child_pid = -1; static int detailed_run = 0; static bool transaction_run; @@ -151,21 +149,6 @@ static struct perf_stat perf_stat; static volatile sig_atomic_t done = 0; -static struct perf_stat_config stat_config = { - .aggr_mode = AGGR_GLOBAL, - .aggr_level = MAX_CACHE_LVL + 1, - .scale = true, - .unit_width = 4, /* strlen("unit") */ - .run_count = 1, - .metric_only_len = METRIC_ONLY_LEN, - .walltime_nsecs_stats = &walltime_nsecs_stats, - .ru_stats = &ru_stats, - .big_num = true, - .ctl_fd = -1, - .ctl_fd_ack = -1, - .iostat_run = false, -}; - /* Options set from the command line. */ struct opt_aggr_mode { bool node, socket, die, cluster, cache, core, thread, no_aggr; @@ -1071,16 +1054,6 @@ static void sig_atexit(void) kill(getpid(), signr); } -void perf_stat__set_big_num(int set) -{ - stat_config.big_num = (set != 0); -} - -void perf_stat__set_no_csv_summary(int set) -{ - stat_config.no_csv_summary = (set != 0); -} - static int stat__set_big_num(const struct option *opt __maybe_unused, const char *s __maybe_unused, int unset) { diff --git a/tools/perf/tests/stat.c b/tools/perf/tests/stat.c index 6468cc0d0204..d60983657bad 100644 --- a/tools/perf/tests/stat.c +++ b/tools/perf/tests/stat.c @@ -27,7 +27,7 @@ static int process_stat_config_event(const struct perf_tool *tool __maybe_unused struct machine *machine __maybe_unused) { struct perf_record_stat_config *config = &event->stat_config; - struct perf_stat_config stat_config = {}; + struct perf_stat_config test_stat_config = {}; #define HAS(term, val) \ has_term(config, PERF_STAT_CONFIG_TERM__##term, val) @@ -39,25 +39,27 @@ static int process_stat_config_event(const struct perf_tool *tool __maybe_unused #undef HAS - perf_event__read_stat_config(&stat_config, config); + perf_event__read_stat_config(&test_stat_config, config); - TEST_ASSERT_VAL("wrong aggr_mode", stat_config.aggr_mode == AGGR_CORE); - TEST_ASSERT_VAL("wrong scale", stat_config.scale == 1); - TEST_ASSERT_VAL("wrong interval", stat_config.interval == 1); + TEST_ASSERT_VAL("wrong aggr_mode", test_stat_config.aggr_mode == AGGR_CORE); + TEST_ASSERT_VAL("wrong scale", test_stat_config.scale == 1); + TEST_ASSERT_VAL("wrong interval", test_stat_config.interval == 1); return 0; } static int test__synthesize_stat_config(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - struct perf_stat_config stat_config = { + struct perf_stat_config test_stat_config = { .aggr_mode = AGGR_CORE, .scale = 1, .interval = 1, }; TEST_ASSERT_VAL("failed to synthesize stat_config", - !perf_event__synthesize_stat_config(NULL, &stat_config, process_stat_config_event, NULL)); + !perf_event__synthesize_stat_config(NULL, &test_stat_config, + process_stat_config_event, + NULL)); return 0; } diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index 68f9407ca74b..2d07c9257a1a 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -13,6 +13,7 @@ #include #include "cache.h" #include "callchain.h" +#include "header.h" #include #include "util/event.h" /* proc_map_timeout */ #include "util/hist.h" /* perf_hist_config */ @@ -34,6 +35,22 @@ #define DEBUG_CACHE_DIR ".debug" +#define METRIC_ONLY_LEN 20 + +struct perf_stat_config stat_config = { + .aggr_mode = AGGR_GLOBAL, + .aggr_level = MAX_CACHE_LVL + 1, + .scale = true, + .unit_width = 4, /* strlen("unit") */ + .run_count = 1, + .metric_only_len = METRIC_ONLY_LEN, + .walltime_nsecs_stats = &walltime_nsecs_stats, + .ru_stats = &ru_stats, + .big_num = true, + .ctl_fd = -1, + .ctl_fd_ack = -1, + .iostat_run = false, +}; char buildid_dir[MAXPATHLEN]; /* root dir for buildid, binary cache */ @@ -455,6 +472,16 @@ static int perf_ui_config(const char *var, const char *value) return 0; } +void perf_stat__set_big_num(int set) +{ + stat_config.big_num = (set != 0); +} + +static void perf_stat__set_no_csv_summary(int set) +{ + stat_config.no_csv_summary = (set != 0); +} + static int perf_stat_config(const char *var, const char *value) { if (!strcmp(var, "stat.big-num")) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 4593c937febb..7fc3ec5684c3 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -17,8 +17,6 @@ #include "trace-event.h" #include "mmap.h" #include "util/env.h" -#include "util/kvm-stat.h" -#include "util/stat.h" #include "util/kwork.h" #include "util/sample.h" #include "util/lock-contention.h" @@ -1307,14 +1305,6 @@ error: /* The following are stubs to avoid dragging in builtin-* objects. */ /* TODO: move the code out of the builtin-* file into util. */ -void perf_stat__set_no_csv_summary(int set __maybe_unused) -{ -} - -void perf_stat__set_big_num(int set __maybe_unused) -{ -} - int script_spec_register(const char *spec __maybe_unused, struct scripting_ops *ops __maybe_unused) { return -1; diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 6f8cff3cd39a..2fda9acd7374 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -117,8 +117,9 @@ struct perf_stat_config { unsigned int topdown_level; }; +extern struct perf_stat_config stat_config; + void perf_stat__set_big_num(int set); -void perf_stat__set_no_csv_summary(int set); void update_stats(struct stats *stats, u64 val); double avg_stats(struct stats *stats); -- cgit v1.2.3 From 04051b4a9330bd84fd3d42bee0eb3d0fd65546ee Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:31 -0800 Subject: perf script: Move script_spec code to trace-event-scripting.c The script_spec code is referenced in util/trace-event-scripting but the list was in builtin-script, accessed via a function that required a stub function in python.c. Move all the logic to trace-event-scripting, with lookup and foreach functions exposed for builtin-script's benefit. Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-10-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 67 ++--------------------------- tools/perf/util/python.c | 5 --- tools/perf/util/trace-event-scripting.c | 75 +++++++++++++++++++++++++++++++++ tools/perf/util/trace-event.h | 3 +- 4 files changed, 80 insertions(+), 70 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 7d21a52ad94e..7158669239da 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -2961,79 +2961,18 @@ static int __cmd_script(struct perf_script *script) return ret; } -struct script_spec { - struct list_head node; - struct scripting_ops *ops; - char spec[]; -}; - -static LIST_HEAD(script_specs); - -static struct script_spec *script_spec__new(const char *spec, - struct scripting_ops *ops) +static int list_available_languages_cb(struct scripting_ops *ops, const char *spec) { - struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); - - if (s != NULL) { - strcpy(s->spec, spec); - s->ops = ops; - } - - return s; -} - -static void script_spec__add(struct script_spec *s) -{ - list_add_tail(&s->node, &script_specs); -} - -static struct script_spec *script_spec__find(const char *spec) -{ - struct script_spec *s; - - list_for_each_entry(s, &script_specs, node) - if (strcasecmp(s->spec, spec) == 0) - return s; - return NULL; -} - -int script_spec_register(const char *spec, struct scripting_ops *ops) -{ - struct script_spec *s; - - s = script_spec__find(spec); - if (s) - return -1; - - s = script_spec__new(spec, ops); - if (!s) - return -1; - else - script_spec__add(s); - + fprintf(stderr, " %-42s [%s]\n", spec, ops->name); return 0; } -static struct scripting_ops *script_spec__lookup(const char *spec) -{ - struct script_spec *s = script_spec__find(spec); - if (!s) - return NULL; - - return s->ops; -} - static void list_available_languages(void) { - struct script_spec *s; - fprintf(stderr, "\n"); fprintf(stderr, "Scripting language extensions (used in " "perf script -s [spec:]script.[spec]):\n\n"); - - list_for_each_entry(s, &script_specs, node) - fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); - + script_spec__for_each(&list_available_languages_cb); fprintf(stderr, "\n"); } diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 7fc3ec5684c3..d157aaa4bb53 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1305,11 +1305,6 @@ error: /* The following are stubs to avoid dragging in builtin-* objects. */ /* TODO: move the code out of the builtin-* file into util. */ -int script_spec_register(const char *spec __maybe_unused, struct scripting_ops *ops __maybe_unused) -{ - return -1; -} - arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch __maybe_unused) { return NULL; diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index a7f0a14c05b6..d8f4b5bce4ad 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -24,6 +24,81 @@ unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; struct scripting_context *scripting_context; +struct script_spec { + struct list_head node; + struct scripting_ops *ops; + char spec[]; +}; + +static LIST_HEAD(script_specs); + +static struct script_spec *script_spec__new(const char *spec, + struct scripting_ops *ops) +{ + struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); + + if (s != NULL) { + strcpy(s->spec, spec); + s->ops = ops; + } + + return s; +} + +static void script_spec__add(struct script_spec *s) +{ + list_add_tail(&s->node, &script_specs); +} + +static struct script_spec *script_spec__find(const char *spec) +{ + struct script_spec *s; + + list_for_each_entry(s, &script_specs, node) + if (strcasecmp(s->spec, spec) == 0) + return s; + return NULL; +} + +static int script_spec_register(const char *spec, struct scripting_ops *ops) +{ + struct script_spec *s; + + s = script_spec__find(spec); + if (s) + return -1; + + s = script_spec__new(spec, ops); + if (!s) + return -1; + + script_spec__add(s); + return 0; +} + +struct scripting_ops *script_spec__lookup(const char *spec) +{ + struct script_spec *s = script_spec__find(spec); + + if (!s) + return NULL; + + return s->ops; +} + +int script_spec__for_each(int (*cb)(struct scripting_ops *ops, const char *spec)) +{ + struct script_spec *s; + int ret = 0; + + list_for_each_entry(s, &script_specs, node) { + ret = cb(s->ops, s->spec); + if (ret) + break; + } + return ret; +} + void scripting_context__update(struct scripting_context *c, union perf_event *event, struct perf_sample *sample, diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 2543bf969fdd..4eacf802c655 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -113,7 +113,8 @@ struct scripting_ops { extern unsigned int scripting_max_stack; -int script_spec_register(const char *spec, struct scripting_ops *ops); +struct scripting_ops *script_spec__lookup(const char *spec); +int script_spec__for_each(int (*cb)(struct scripting_ops *ops, const char *spec)); void script_fetch_insn(struct perf_sample *sample, struct thread *thread, struct machine *machine); -- cgit v1.2.3 From 1ff2ca39b39f2ff5718a74bc4c92183b8eb9763f Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:32 -0800 Subject: perf script: Move script_fetch_insn to trace-event-scripting.c Add native_arch as a parameter to script_fetch_insn rather than relying on the builtin-script value that won't be initialized for the dlfilter and python Context use cases. Assume both of those cases are running natively. Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-11-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 15 +-------------- tools/perf/scripts/python/Perf-Trace-Util/Context.c | 2 +- tools/perf/util/dlfilter.c | 3 ++- tools/perf/util/python.c | 6 ------ tools/perf/util/trace-event-scripting.c | 14 ++++++++++++++ tools/perf/util/trace-event.h | 2 +- 6 files changed, 19 insertions(+), 23 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 7158669239da..098c5ac6a6f5 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1586,19 +1586,6 @@ static int perf_sample__fprintf_callindent(struct perf_sample *sample, return len + dlen; } -__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, - struct thread *thread __maybe_unused, - struct machine *machine __maybe_unused) -{ -} - -void script_fetch_insn(struct perf_sample *sample, struct thread *thread, - struct machine *machine) -{ - if (sample->insn_len == 0 && native_arch) - arch_fetch_insn(sample, thread, machine); -} - static int perf_sample__fprintf_insn(struct perf_sample *sample, struct evsel *evsel, struct perf_event_attr *attr, @@ -1608,7 +1595,7 @@ static int perf_sample__fprintf_insn(struct perf_sample *sample, { int printed = 0; - script_fetch_insn(sample, thread, machine); + script_fetch_insn(sample, thread, machine, native_arch); if (PRINT_FIELD(INSNLEN)) printed += fprintf(fp, " ilen: %d", sample->insn_len); diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Context.c b/tools/perf/scripts/python/Perf-Trace-Util/Context.c index d742daaa5d5a..60dcfe56d4d9 100644 --- a/tools/perf/scripts/python/Perf-Trace-Util/Context.c +++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c @@ -93,7 +93,7 @@ static PyObject *perf_sample_insn(PyObject *obj, PyObject *args) if (c->sample->ip && !c->sample->insn_len && thread__maps(c->al->thread)) { struct machine *machine = maps__machine(thread__maps(c->al->thread)); - script_fetch_insn(c->sample, c->al->thread, machine); + script_fetch_insn(c->sample, c->al->thread, machine, /*native_arch=*/true); } if (!c->sample->insn_len) Py_RETURN_NONE; /* N.B. This is a return statement */ diff --git a/tools/perf/util/dlfilter.c b/tools/perf/util/dlfilter.c index 7d180bdaedbc..ddacef881af2 100644 --- a/tools/perf/util/dlfilter.c +++ b/tools/perf/util/dlfilter.c @@ -234,7 +234,8 @@ static const __u8 *dlfilter__insn(void *ctx, __u32 *len) struct machine *machine = maps__machine(thread__maps(al->thread)); if (machine) - script_fetch_insn(d->sample, al->thread, machine); + script_fetch_insn(d->sample, al->thread, machine, + /*native_arch=*/true); } } diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index d157aaa4bb53..3ade7b05def2 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1317,12 +1317,6 @@ struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused, return NULL; } -void script_fetch_insn(struct perf_sample *sample __maybe_unused, - struct thread *thread __maybe_unused, - struct machine *machine __maybe_unused) -{ -} - int perf_sample__sprintf_flags(u32 flags __maybe_unused, char *str __maybe_unused, size_t sz __maybe_unused) { diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index d8f4b5bce4ad..62ba1af79936 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -13,6 +13,7 @@ #include #endif +#include "archinsn.h" #include "debug.h" #include "trace-event.h" #include "evsel.h" @@ -271,3 +272,16 @@ void setup_perl_scripting(void) } #endif #endif + +__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, + struct thread *thread __maybe_unused, + struct machine *machine __maybe_unused) +{ +} + +void script_fetch_insn(struct perf_sample *sample, struct thread *thread, + struct machine *machine, bool native_arch) +{ + if (sample->insn_len == 0 && native_arch) + arch_fetch_insn(sample, thread, machine); +} diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 4eacf802c655..ac9fde2f980c 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -117,7 +117,7 @@ struct scripting_ops *script_spec__lookup(const char *spec); int script_spec__for_each(int (*cb)(struct scripting_ops *ops, const char *spec)); void script_fetch_insn(struct perf_sample *sample, struct thread *thread, - struct machine *machine); + struct machine *machine, bool native_arch); void setup_perl_scripting(void); void setup_python_scripting(void); -- cgit v1.2.3 From dc7be5e4c08feb5310ecbf6a2e7db56b3855c631 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:33 -0800 Subject: perf script: Move perf_sample__sprintf_flags to trace-event-scripting.c perf_sample__sprintf_flags is used in the python C code and so needs to be in the util library rather than a builtin. Signed-off-by: Ian Rogers Link: https://lore.kernel.org/r/20241119011644.971342-12-irogers@google.com Cc: Mark Rutland Cc: Colin Ian King Cc: Howard Chu Cc: Peter Zijlstra Cc: Adrian Hunter Cc: Weilin Wang Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Namhyung Kim Cc: James Clark Cc: Ilya Leoshkevich Cc: Thomas Richter Cc: Andi Kleen Cc: Alexander Shishkin Cc: Dapeng Mi Cc: Kan Liang Cc: Athira Jajeev Cc: Josh Poimboeuf Cc: Ingo Molnar Cc: Michael Petlan Cc: Veronika Molnarova Cc: linux-kernel@vger.kernel.org Cc: linux-perf-users@vger.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 81 -------------------------------- tools/perf/util/python.c | 6 --- tools/perf/util/trace-event-scripting.c | 83 +++++++++++++++++++++++++++++++++ 3 files changed, 83 insertions(+), 87 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 098c5ac6a6f5..6d5773539cfd 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1693,87 +1693,6 @@ static int perf_sample__fprintf_bts(struct perf_sample *sample, return printed; } -static struct { - u32 flags; - const char *name; -} sample_flags[] = { - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, - {PERF_IP_FLAG_BRANCH, "jmp"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, - {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_BRANCH_MISS, "br miss"}, - {0, NULL} -}; - -static const char *sample_flags_to_name(u32 flags) -{ - int i; - - for (i = 0; sample_flags[i].name ; i++) { - if (sample_flags[i].flags == flags) - return sample_flags[i].name; - } - - return NULL; -} - -int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) -{ - u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | - PERF_IP_FLAG_INTR_TOGGLE; - const char *chars = PERF_IP_FLAG_CHARS; - const size_t n = strlen(PERF_IP_FLAG_CHARS); - const char *name = NULL; - size_t i, pos = 0; - char xs[16] = {0}; - - if (flags & xf) - snprintf(xs, sizeof(xs), "(%s%s%s)", - flags & PERF_IP_FLAG_IN_TX ? "x" : "", - flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", - flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); - - name = sample_flags_to_name(flags & ~xf); - if (name) - return snprintf(str, sz, "%-15s%6s", name, xs); - - if (flags & PERF_IP_FLAG_TRACE_BEGIN) { - name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); - if (name) - return snprintf(str, sz, "tr strt %-7s%6s", name, xs); - } - - if (flags & PERF_IP_FLAG_TRACE_END) { - name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); - if (name) - return snprintf(str, sz, "tr end %-7s%6s", name, xs); - } - - for (i = 0; i < n; i++, flags >>= 1) { - if ((flags & 1) && pos < sz) - str[pos++] = chars[i]; - } - for (; i < 32; i++, flags >>= 1) { - if ((flags & 1) && pos < sz) - str[pos++] = '?'; - } - if (pos < sz) - str[pos] = 0; - - return pos; -} - static int perf_sample__fprintf_flags(u32 flags, FILE *fp) { char str[SAMPLE_FLAGS_BUF_SIZE]; diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 3ade7b05def2..fa3ab954662c 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1317,12 +1317,6 @@ struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused, return NULL; } -int perf_sample__sprintf_flags(u32 flags __maybe_unused, char *str __maybe_unused, - size_t sz __maybe_unused) -{ - return -1; -} - bool match_callstack_filter(struct machine *machine __maybe_unused, u64 *callstack __maybe_unused) { return false; diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index 62ba1af79936..04e3c9e29f95 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -15,6 +15,7 @@ #include "archinsn.h" #include "debug.h" +#include "event.h" #include "trace-event.h" #include "evsel.h" #include @@ -285,3 +286,85 @@ void script_fetch_insn(struct perf_sample *sample, struct thread *thread, if (sample->insn_len == 0 && native_arch) arch_fetch_insn(sample, thread, machine); } + +static const struct { + u32 flags; + const char *name; +} sample_flags[] = { + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, + {PERF_IP_FLAG_BRANCH, "jmp"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, + "hw int"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_BRANCH_MISS, "br miss"}, + {0, NULL} +}; + +static const char *sample_flags_to_name(u32 flags) +{ + int i; + + for (i = 0; sample_flags[i].name ; i++) { + if (sample_flags[i].flags == flags) + return sample_flags[i].name; + } + + return NULL; +} + +int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) +{ + u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | + PERF_IP_FLAG_INTR_TOGGLE; + const char *chars = PERF_IP_FLAG_CHARS; + const size_t n = strlen(PERF_IP_FLAG_CHARS); + const char *name = NULL; + size_t i, pos = 0; + char xs[16] = {0}; + + if (flags & xf) + snprintf(xs, sizeof(xs), "(%s%s%s)", + flags & PERF_IP_FLAG_IN_TX ? "x" : "", + flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", + flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); + + name = sample_flags_to_name(flags & ~xf); + if (name) + return snprintf(str, sz, "%-15s%6s", name, xs); + + if (flags & PERF_IP_FLAG_TRACE_BEGIN) { + name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); + if (name) + return snprintf(str, sz, "tr strt %-7s%6s", name, xs); + } + + if (flags & PERF_IP_FLAG_TRACE_END) { + name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); + if (name) + return snprintf(str, sz, "tr end %-7s%6s", name, xs); + } + + for (i = 0; i < n; i++, flags >>= 1) { + if ((flags & 1) && pos < sz) + str[pos++] = chars[i]; + } + for (; i < 32; i++, flags >>= 1) { + if ((flags & 1) && pos < sz) + str[pos++] = '?'; + } + if (pos < sz) + str[pos] = 0; + + return pos; +} -- cgit v1.2.3 From 16ecb4316f06a3d6215810c8e351da65d238d2f2 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:36 -0800 Subject: perf env: Move arch errno function to only use in env Move arch_syscalls__strerrno_function out of builtin-trace.c to env.c so that there isn't a util to builtin function call. This allows the python.c stub to be removed. Also, remove declaration/prototype from env.h and make static to reduce scope. The include is moved inside ifdefs to avoid, "defined but unused warnings". Signed-off-by: Ian Rogers Acked-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-15-irogers@google.com perf: perf python: Correctly throw IndexError Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 1 - tools/perf/trace/beauty/arch_errno_names.sh | 3 ++- tools/perf/util/env.c | 4 ++++ tools/perf/util/env.h | 2 -- tools/perf/util/python.c | 6 ------ 5 files changed, 6 insertions(+), 10 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 3c46de1a8d79..fc257d5e8144 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1113,7 +1113,6 @@ static bool syscall_arg__strtoul_btf_type(char *bf __maybe_unused, size_t size _ .strtoul = STUL_STRARRAY_FLAGS, \ .parm = &strarray__##array, } -#include "trace/beauty/arch_errno_names.c" #include "trace/beauty/eventfd.c" #include "trace/beauty/futex_op.c" #include "trace/beauty/futex_val3.c" diff --git a/tools/perf/trace/beauty/arch_errno_names.sh b/tools/perf/trace/beauty/arch_errno_names.sh index 30d3889b2957..b22890b8d272 100755 --- a/tools/perf/trace/beauty/arch_errno_names.sh +++ b/tools/perf/trace/beauty/arch_errno_names.sh @@ -57,7 +57,8 @@ create_arch_errno_table_func() archlist="$1" default="$2" - printf 'arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch)\n' + printf 'static arch_syscalls__strerrno_t *\n' + printf 'arch_syscalls__strerrno_function(const char *arch)\n' printf '{\n' for arch in $archlist; do arch_str=$(arch_string "$arch") diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index 919fe6f20593..610c57da5b37 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -480,6 +480,10 @@ const char *perf_env__arch(struct perf_env *env) return normalize_arch(arch_name); } +#if defined(HAVE_SYSCALL_TABLE_SUPPORT) && defined(HAVE_LIBTRACEEVENT) +#include "trace/beauty/arch_errno_names.c" +#endif + const char *perf_env__arch_strerrno(struct perf_env *env __maybe_unused, int err __maybe_unused) { #if defined(HAVE_SYSCALL_TABLE_SUPPORT) && defined(HAVE_LIBTRACEEVENT) diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index da11add761d0..d90e343cf1fa 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -56,8 +56,6 @@ struct pmu_caps { typedef const char *(arch_syscalls__strerrno_t)(int err); -arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch); - struct perf_env { char *hostname; char *os_release; diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index fa3ab954662c..fa25e7ed8a7f 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -16,7 +16,6 @@ #include "thread_map.h" #include "trace-event.h" #include "mmap.h" -#include "util/env.h" #include "util/kwork.h" #include "util/sample.h" #include "util/lock-contention.h" @@ -1305,11 +1304,6 @@ error: /* The following are stubs to avoid dragging in builtin-* objects. */ /* TODO: move the code out of the builtin-* file into util. */ -arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch __maybe_unused) -{ - return NULL; -} - struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused, struct kwork_class *class __maybe_unused, struct kwork_work *key __maybe_unused) -- cgit v1.2.3 From 1a12ed09bc43e0d072ce9e2033cc9aa4e1a9fcb3 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:37 -0800 Subject: perf lock: Move common lock contention code to new file Avoid references from util code to builtin-lock that require python stubs. Move the functions and related variables to util/lock-contention.c. Add max_stack_depth parameter to match_callstack_filter to avoid sharing a global variable. Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Acked-by: Arnaldo Carvalho de Melo Acked-by: Namhyung Kim Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-16-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-lock.c | 137 +------------------------------- tools/perf/util/Build | 1 + tools/perf/util/bpf_lock_contention.c | 2 +- tools/perf/util/lock-contention.c | 143 ++++++++++++++++++++++++++++++++++ tools/perf/util/lock-contention.h | 18 ++++- tools/perf/util/python.c | 17 ---- 6 files changed, 160 insertions(+), 158 deletions(-) create mode 100644 tools/perf/util/lock-contention.c (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 062e2b56a2ab..f66948b1fbed 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -46,15 +46,6 @@ static struct perf_session *session; static struct target target; -/* based on kernel/lockdep.c */ -#define LOCKHASH_BITS 12 -#define LOCKHASH_SIZE (1UL << LOCKHASH_BITS) - -static struct hlist_head *lockhash_table; - -#define __lockhashfn(key) hash_long((unsigned long)key, LOCKHASH_BITS) -#define lockhashentry(key) (lockhash_table + __lockhashfn((key))) - static struct rb_root thread_stats; static bool combine_locks; @@ -67,24 +58,13 @@ static unsigned long bpf_map_entries = MAX_ENTRIES; static int max_stack_depth = CONTENTION_STACK_DEPTH; static int stack_skip = CONTENTION_STACK_SKIP; static int print_nr_entries = INT_MAX / 2; -static LIST_HEAD(callstack_filters); static const char *output_name = NULL; static FILE *lock_output; -struct callstack_filter { - struct list_head list; - char name[]; -}; - static struct lock_filter filters; static enum lock_aggr_mode aggr_mode = LOCK_AGGR_ADDR; -static bool needs_callstack(void) -{ - return !list_empty(&callstack_filters); -} - static struct thread_stat *thread_stat_find(u32 tid) { struct rb_node *node; @@ -477,93 +457,6 @@ static struct lock_stat *pop_from_result(void) return container_of(node, struct lock_stat, rb); } -struct lock_stat *lock_stat_find(u64 addr) -{ - struct hlist_head *entry = lockhashentry(addr); - struct lock_stat *ret; - - hlist_for_each_entry(ret, entry, hash_entry) { - if (ret->addr == addr) - return ret; - } - return NULL; -} - -struct lock_stat *lock_stat_findnew(u64 addr, const char *name, int flags) -{ - struct hlist_head *entry = lockhashentry(addr); - struct lock_stat *ret, *new; - - hlist_for_each_entry(ret, entry, hash_entry) { - if (ret->addr == addr) - return ret; - } - - new = zalloc(sizeof(struct lock_stat)); - if (!new) - goto alloc_failed; - - new->addr = addr; - new->name = strdup(name); - if (!new->name) { - free(new); - goto alloc_failed; - } - - new->flags = flags; - new->wait_time_min = ULLONG_MAX; - - hlist_add_head(&new->hash_entry, entry); - return new; - -alloc_failed: - pr_err("memory allocation failed\n"); - return NULL; -} - -bool match_callstack_filter(struct machine *machine, u64 *callstack) -{ - struct map *kmap; - struct symbol *sym; - u64 ip; - const char *arch = perf_env__arch(machine->env); - - if (list_empty(&callstack_filters)) - return true; - - for (int i = 0; i < max_stack_depth; i++) { - struct callstack_filter *filter; - - /* - * In powerpc, the callchain saved by kernel always includes - * first three entries as the NIP (next instruction pointer), - * LR (link register), and the contents of LR save area in the - * second stack frame. In certain scenarios its possible to have - * invalid kernel instruction addresses in either LR or the second - * stack frame's LR. In that case, kernel will store that address as - * zero. - * - * The below check will continue to look into callstack, - * incase first or second callstack index entry has 0 - * address for powerpc. - */ - if (!callstack || (!callstack[i] && (strcmp(arch, "powerpc") || - (i != 1 && i != 2)))) - break; - - ip = callstack[i]; - sym = machine__find_kernel_symbol(machine, ip, &kmap); - if (sym == NULL) - continue; - - list_for_each_entry(filter, &callstack_filters, list) { - if (strstr(sym->name, filter->name)) - return true; - } - } - return false; -} - struct trace_lock_handler { /* it's used on CONFIG_LOCKDEP */ int (*acquire_event)(struct evsel *evsel, @@ -1165,7 +1058,7 @@ static int report_lock_contention_begin_event(struct evsel *evsel, if (callstack == NULL) return -ENOMEM; - if (!match_callstack_filter(machine, callstack)) { + if (!match_callstack_filter(machine, callstack, max_stack_depth)) { free(callstack); return 0; } @@ -2449,34 +2342,6 @@ static int parse_lock_addr(const struct option *opt __maybe_unused, const char * return ret; } -static int parse_call_stack(const struct option *opt __maybe_unused, const char *str, - int unset __maybe_unused) -{ - char *s, *tmp, *tok; - int ret = 0; - - s = strdup(str); - if (s == NULL) - return -1; - - for (tok = strtok_r(s, ", ", &tmp); tok; tok = strtok_r(NULL, ", ", &tmp)) { - struct callstack_filter *entry; - - entry = malloc(sizeof(*entry) + strlen(tok) + 1); - if (entry == NULL) { - pr_err("Memory allocation failure\n"); - free(s); - return -1; - } - - strcpy(entry->name, tok); - list_add_tail(&entry->list, &callstack_filters); - } - - free(s); - return ret; -} - static int parse_output(const struct option *opt __maybe_unused, const char *str, int unset __maybe_unused) { diff --git a/tools/perf/util/Build b/tools/perf/util/Build index f8e77c53e2f9..5ec97e8d6b6d 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -122,6 +122,7 @@ perf-util-y += topdown.o perf-util-y += iostat.o perf-util-y += stream.o perf-util-y += kvm-stat.o +perf-util-y += lock-contention.o perf-util-$(CONFIG_AUXTRACE) += auxtrace.o perf-util-y += intel-pt-decoder/ perf-util-$(CONFIG_AUXTRACE) += intel-pt.o diff --git a/tools/perf/util/bpf_lock_contention.c b/tools/perf/util/bpf_lock_contention.c index 41a1ad087895..37e17c56f106 100644 --- a/tools/perf/util/bpf_lock_contention.c +++ b/tools/perf/util/bpf_lock_contention.c @@ -458,7 +458,7 @@ int lock_contention_read(struct lock_contention *con) if (con->save_callstack) { bpf_map_lookup_elem(stack, &key.stack_id, stack_trace); - if (!match_callstack_filter(machine, stack_trace)) { + if (!match_callstack_filter(machine, stack_trace, con->max_stack)) { con->nr_filtered += data.count; goto next; } diff --git a/tools/perf/util/lock-contention.c b/tools/perf/util/lock-contention.c new file mode 100644 index 000000000000..92e7b7b572a2 --- /dev/null +++ b/tools/perf/util/lock-contention.c @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "debug.h" +#include "env.h" +#include "lock-contention.h" +#include "machine.h" +#include "symbol.h" + +#include +#include + +#include +#include + +#define __lockhashfn(key) hash_long((unsigned long)key, LOCKHASH_BITS) +#define lockhashentry(key) (lockhash_table + __lockhashfn((key))) + +struct callstack_filter { + struct list_head list; + char name[]; +}; + +static LIST_HEAD(callstack_filters); +struct hlist_head *lockhash_table; + +int parse_call_stack(const struct option *opt __maybe_unused, const char *str, + int unset __maybe_unused) +{ + char *s, *tmp, *tok; + int ret = 0; + + s = strdup(str); + if (s == NULL) + return -1; + + for (tok = strtok_r(s, ", ", &tmp); tok; tok = strtok_r(NULL, ", ", &tmp)) { + struct callstack_filter *entry; + + entry = malloc(sizeof(*entry) + strlen(tok) + 1); + if (entry == NULL) { + pr_err("Memory allocation failure\n"); + free(s); + return -1; + } + + strcpy(entry->name, tok); + list_add_tail(&entry->list, &callstack_filters); + } + + free(s); + return ret; +} + +bool needs_callstack(void) +{ + return !list_empty(&callstack_filters); +} + +struct lock_stat *lock_stat_find(u64 addr) +{ + struct hlist_head *entry = lockhashentry(addr); + struct lock_stat *ret; + + hlist_for_each_entry(ret, entry, hash_entry) { + if (ret->addr == addr) + return ret; + } + return NULL; +} + +struct lock_stat *lock_stat_findnew(u64 addr, const char *name, int flags) +{ + struct hlist_head *entry = lockhashentry(addr); + struct lock_stat *ret, *new; + + hlist_for_each_entry(ret, entry, hash_entry) { + if (ret->addr == addr) + return ret; + } + + new = zalloc(sizeof(struct lock_stat)); + if (!new) + goto alloc_failed; + + new->addr = addr; + new->name = strdup(name); + if (!new->name) { + free(new); + goto alloc_failed; + } + + new->flags = flags; + new->wait_time_min = ULLONG_MAX; + + hlist_add_head(&new->hash_entry, entry); + return new; + +alloc_failed: + pr_err("memory allocation failed\n"); + return NULL; +} + +bool match_callstack_filter(struct machine *machine, u64 *callstack, int max_stack_depth) +{ + struct map *kmap; + struct symbol *sym; + u64 ip; + const char *arch = perf_env__arch(machine->env); + + if (list_empty(&callstack_filters)) + return true; + + for (int i = 0; i < max_stack_depth; i++) { + struct callstack_filter *filter; + + /* + * In powerpc, the callchain saved by kernel always includes + * first three entries as the NIP (next instruction pointer), + * LR (link register), and the contents of LR save area in the + * second stack frame. In certain scenarios its possible to have + * invalid kernel instruction addresses in either LR or the second + * stack frame's LR. In that case, kernel will store that address as + * zero. + * + * The below check will continue to look into callstack, + * incase first or second callstack index entry has 0 + * address for powerpc. + */ + if (!callstack || (!callstack[i] && (strcmp(arch, "powerpc") || + (i != 1 && i != 2)))) + break; + + ip = callstack[i]; + sym = machine__find_kernel_symbol(machine, ip, &kmap); + if (sym == NULL) + continue; + + list_for_each_entry(filter, &callstack_filters, list) { + if (strstr(sym->name, filter->name)) + return true; + } + } + return false; +} diff --git a/tools/perf/util/lock-contention.h b/tools/perf/util/lock-contention.h index 1a7248ff3889..bd71fb73825a 100644 --- a/tools/perf/util/lock-contention.h +++ b/tools/perf/util/lock-contention.h @@ -67,10 +67,11 @@ struct lock_stat { */ #define MAX_LOCK_DEPTH 48 -struct lock_stat *lock_stat_find(u64 addr); -struct lock_stat *lock_stat_findnew(u64 addr, const char *name, int flags); +/* based on kernel/lockdep.c */ +#define LOCKHASH_BITS 12 +#define LOCKHASH_SIZE (1UL << LOCKHASH_BITS) -bool match_callstack_filter(struct machine *machine, u64 *callstack); +extern struct hlist_head *lockhash_table; /* * struct lock_seq_stat: @@ -148,8 +149,17 @@ struct lock_contention { bool save_callstack; }; -#ifdef HAVE_BPF_SKEL +struct option; +int parse_call_stack(const struct option *opt, const char *str, int unset); +bool needs_callstack(void); +struct lock_stat *lock_stat_find(u64 addr); +struct lock_stat *lock_stat_findnew(u64 addr, const char *name, int flags); + +bool match_callstack_filter(struct machine *machine, u64 *callstack, int max_stack_depth); + + +#ifdef HAVE_BPF_SKEL int lock_contention_prepare(struct lock_contention *con); int lock_contention_start(void); int lock_contention_stop(void); diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index fa25e7ed8a7f..6851f9b07e04 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -18,7 +18,6 @@ #include "mmap.h" #include "util/kwork.h" #include "util/sample.h" -#include "util/lock-contention.h" #include #include "../builtin.h" @@ -1311,22 +1310,6 @@ struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused, return NULL; } -bool match_callstack_filter(struct machine *machine __maybe_unused, u64 *callstack __maybe_unused) -{ - return false; -} - -struct lock_stat *lock_stat_find(u64 addr __maybe_unused) -{ - return NULL; -} - -struct lock_stat *lock_stat_findnew(u64 addr __maybe_unused, const char *name __maybe_unused, - int flags __maybe_unused) -{ - return NULL; -} - int cmd_inject(int argc __maybe_unused, const char *argv[] __maybe_unused) { return -1; -- cgit v1.2.3 From df487111bd09616e5f20f32e88c48005d09dc0ec Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:38 -0800 Subject: perf bench: Remove reference to cmd_inject Avoid `perf bench internals inject-build-id` referencing the cmd_inject sub-command that requires perf-bench to backward reference internals of builtins. Replace the reference to cmd_inject with a call to main. To avoid python.c needing to link with something providing main, drop the libperf-bench library from the python shared object. Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-17-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile.perf | 7 +++++-- tools/perf/bench/inject-buildid.c | 13 +++++++------ tools/perf/util/python.c | 6 ------ 3 files changed, 12 insertions(+), 14 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index d74241a15131..cbcb698cea38 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -487,6 +487,9 @@ endif EXTLIBS := $(call filter-out,$(EXCLUDE_EXTLIBS),$(EXTLIBS)) LIBS = -Wl,--whole-archive $(PERFLIBS) $(EXTRA_PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group +PERFLIBS_PY := $(call filter-out,$(LIBPERF_BENCH),$(PERFLIBS)) +LIBS_PY = -Wl,--whole-archive $(PERFLIBS_PY) $(EXTRA_PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group + export INSTALL SHELL_PATH ### Build rules @@ -735,9 +738,9 @@ all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS) # Create python binding output directory if not already present $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python') -$(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): util/python.c util/setup.py $(PERFLIBS) +$(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): util/python.c util/setup.py $(PERFLIBS_PY) $(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \ - CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBS)' \ + CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBS_PY)' \ $(PYTHON_WORD) util/setup.py \ --quiet build_ext; \ cp $(PYTHON_EXTBUILD_LIB)perf*.so $(OUTPUT)python/ diff --git a/tools/perf/bench/inject-buildid.c b/tools/perf/bench/inject-buildid.c index a759eb2328be..f55c07e4be94 100644 --- a/tools/perf/bench/inject-buildid.c +++ b/tools/perf/bench/inject-buildid.c @@ -52,7 +52,7 @@ struct bench_dso { static int nr_dsos; static struct bench_dso *dsos; -extern int cmd_inject(int argc, const char *argv[]); +extern int main(int argc, const char **argv); static const struct option options[] = { OPT_UINTEGER('i', "iterations", &iterations, @@ -294,7 +294,7 @@ static int setup_injection(struct bench_data *data, bool build_id_all) if (data->pid == 0) { const char **inject_argv; - int inject_argc = 2; + int inject_argc = 3; close(data->input_pipe[1]); close(data->output_pipe[0]); @@ -318,15 +318,16 @@ static int setup_injection(struct bench_data *data, bool build_id_all) if (inject_argv == NULL) exit(1); - inject_argv[0] = strdup("inject"); - inject_argv[1] = strdup("-b"); + inject_argv[0] = strdup("perf"); + inject_argv[1] = strdup("inject"); + inject_argv[2] = strdup("-b"); if (build_id_all) - inject_argv[2] = strdup("--buildid-all"); + inject_argv[3] = strdup("--buildid-all"); /* signal that we're ready to go */ close(ready_pipe[1]); - cmd_inject(inject_argc, inject_argv); + main(inject_argc, inject_argv); exit(0); } diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 6851f9b07e04..5e6db4b143a1 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -19,7 +19,6 @@ #include "util/kwork.h" #include "util/sample.h" #include -#include "../builtin.h" #define _PyUnicode_FromString(arg) \ PyUnicode_FromString(arg) @@ -1309,8 +1308,3 @@ struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused, { return NULL; } - -int cmd_inject(int argc __maybe_unused, const char *argv[] __maybe_unused) -{ - return -1; -} -- cgit v1.2.3 From 9cf133c25cc261cd6c30ed0af55e22ac11cebbe4 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:39 -0800 Subject: perf kwork: Make perf_kwork_add_work a callback perf_kwork_add_work is declared in builtin-kwork, whereas much kwork code is in util. To avoid needing to stub perf_kwork_add_work in python.c, add a callback to struct perf_kwork and initialize it in builtin-kwork to perf_kwork_add_work - this is the only struct perf_kwork. This removes the need for the stub in python.c. Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-18-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-kwork.c | 3 ++- tools/perf/util/bpf_kwork.c | 2 +- tools/perf/util/bpf_kwork_top.c | 2 +- tools/perf/util/kwork.h | 6 ++++-- tools/perf/util/python.c | 12 ------------ 5 files changed, 8 insertions(+), 17 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c index 878c93c026b1..c41a68d073de 100644 --- a/tools/perf/builtin-kwork.c +++ b/tools/perf/builtin-kwork.c @@ -1848,7 +1848,7 @@ static void process_skipped_events(struct perf_kwork *kwork, } } -struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork, +static struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork, struct kwork_class *class, struct kwork_work *key) { @@ -2346,6 +2346,7 @@ int cmd_kwork(int argc, const char **argv) .all_runtime = 0, .all_count = 0, .nr_skipped_events = { 0 }, + .add_work = perf_kwork_add_work, }; static const char default_report_sort_order[] = "runtime, max, count"; static const char default_latency_sort_order[] = "avg, max, count"; diff --git a/tools/perf/util/bpf_kwork.c b/tools/perf/util/bpf_kwork.c index 6c7126b7670d..5cff755c71fa 100644 --- a/tools/perf/util/bpf_kwork.c +++ b/tools/perf/util/bpf_kwork.c @@ -285,7 +285,7 @@ static int add_work(struct perf_kwork *kwork, (bpf_trace->get_work_name(key, &tmp.name))) return -1; - work = perf_kwork_add_work(kwork, tmp.class, &tmp); + work = kwork->add_work(kwork, tmp.class, &tmp); if (work == NULL) return -1; diff --git a/tools/perf/util/bpf_kwork_top.c b/tools/perf/util/bpf_kwork_top.c index 7261cad43468..b6f187dd9136 100644 --- a/tools/perf/util/bpf_kwork_top.c +++ b/tools/perf/util/bpf_kwork_top.c @@ -255,7 +255,7 @@ static int add_work(struct perf_kwork *kwork, struct work_key *key, bpf_trace = kwork_class_bpf_supported_list[type]; tmp.class = bpf_trace->class; - work = perf_kwork_add_work(kwork, tmp.class, &tmp); + work = kwork->add_work(kwork, tmp.class, &tmp); if (!work) return -1; diff --git a/tools/perf/util/kwork.h b/tools/perf/util/kwork.h index 596595946a06..db00269b73f2 100644 --- a/tools/perf/util/kwork.h +++ b/tools/perf/util/kwork.h @@ -252,12 +252,14 @@ struct perf_kwork { * perf kwork top data */ struct kwork_top_stat top_stat; -}; -struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork, + /* Add work callback. */ + struct kwork_work *(*add_work)(struct perf_kwork *kwork, struct kwork_class *class, struct kwork_work *key); +}; + #ifdef HAVE_BPF_SKEL int perf_kwork__trace_prepare_bpf(struct perf_kwork *kwork); diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 5e6db4b143a1..3e32a502a41c 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -16,7 +16,6 @@ #include "thread_map.h" #include "trace-event.h" #include "mmap.h" -#include "util/kwork.h" #include "util/sample.h" #include @@ -1297,14 +1296,3 @@ error: PyErr_SetString(PyExc_ImportError, "perf: Init failed!"); return module; } - - -/* The following are stubs to avoid dragging in builtin-* objects. */ -/* TODO: move the code out of the builtin-* file into util. */ - -struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused, - struct kwork_class *class __maybe_unused, - struct kwork_work *key __maybe_unused) -{ - return NULL; -} -- cgit v1.2.3 From f081defccd934a8db309c90a61178e4f2eef386c Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:41 -0800 Subject: perf python: Add parse_events function Add basic parse_events function that takes a string and returns an evlist. As the python evlist is embedded in a pyrf_evlist, and the evsels are embedded in pyrf_evsels, copy the parsed data into those structs and update evsel__clone to enable this. Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-20-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/cgroup.c | 2 +- tools/perf/util/evsel.c | 19 +++++++++------ tools/perf/util/evsel.h | 2 +- tools/perf/util/python.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 75 insertions(+), 9 deletions(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c index 0f759dd96db7..fbcc0626f9ce 100644 --- a/tools/perf/util/cgroup.c +++ b/tools/perf/util/cgroup.c @@ -473,7 +473,7 @@ int evlist__expand_cgroup(struct evlist *evlist, const char *str, leader = NULL; evlist__for_each_entry(orig_list, pos) { - evsel = evsel__clone(pos); + evsel = evsel__clone(/*dest=*/NULL, pos); if (evsel == NULL) goto out_err; diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index f6bf845808d6..6ae5d110994a 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -454,7 +454,7 @@ static int evsel__copy_config_terms(struct evsel *dst, struct evsel *src) * The assumption is that @orig is not configured nor opened yet. * So we only care about the attributes that can be set while it's parsed. */ -struct evsel *evsel__clone(struct evsel *orig) +struct evsel *evsel__clone(struct evsel *dest, struct evsel *orig) { struct evsel *evsel; @@ -467,7 +467,11 @@ struct evsel *evsel__clone(struct evsel *orig) if (orig->bpf_obj) return NULL; - evsel = evsel__new(&orig->core.attr); + if (dest) + evsel = dest; + else + evsel = evsel__new(&orig->core.attr); + if (evsel == NULL) return NULL; @@ -512,11 +516,12 @@ struct evsel *evsel__clone(struct evsel *orig) evsel->core.leader = orig->core.leader; evsel->max_events = orig->max_events; - free((char *)evsel->unit); - evsel->unit = strdup(orig->unit); - if (evsel->unit == NULL) - goto out_err; - + zfree(&evsel->unit); + if (orig->unit) { + evsel->unit = strdup(orig->unit); + if (evsel->unit == NULL) + goto out_err; + } evsel->scale = orig->scale; evsel->snapshot = orig->snapshot; evsel->per_pkg = orig->per_pkg; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 76749bb0e1a5..5ad352c94d00 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -244,7 +244,7 @@ static inline struct evsel *evsel__new(struct perf_event_attr *attr) return evsel__new_idx(attr, 0); } -struct evsel *evsel__clone(struct evsel *orig); +struct evsel *evsel__clone(struct evsel *dest, struct evsel *orig); int copy_config_terms(struct list_head *dst, struct list_head *src); void free_config_terms(struct list_head *config_terms); diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 3e32a502a41c..c84c912874b7 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -13,6 +13,7 @@ #include "evsel.h" #include "event.h" #include "print_binary.h" +#include "strbuf.h" #include "thread_map.h" #include "trace-event.h" #include "mmap.h" @@ -1201,6 +1202,60 @@ static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, #endif // HAVE_LIBTRACEEVENT } +static PyObject *pyrf_evsel__from_evsel(struct evsel *evsel) +{ + struct pyrf_evsel *pevsel = PyObject_New(struct pyrf_evsel, &pyrf_evsel__type); + + if (!pevsel) + return NULL; + + memset(&pevsel->evsel, 0, sizeof(pevsel->evsel)); + evsel__init(&pevsel->evsel, &evsel->core.attr, evsel->core.idx); + + evsel__clone(&pevsel->evsel, evsel); + return (PyObject *)pevsel; +} + +static PyObject *pyrf_evlist__from_evlist(struct evlist *evlist) +{ + struct pyrf_evlist *pevlist = PyObject_New(struct pyrf_evlist, &pyrf_evlist__type); + struct evsel *pos; + + if (!pevlist) + return NULL; + + memset(&pevlist->evlist, 0, sizeof(pevlist->evlist)); + evlist__init(&pevlist->evlist, evlist->core.all_cpus, evlist->core.threads); + evlist__for_each_entry(evlist, pos) { + struct pyrf_evsel *pevsel = (void *)pyrf_evsel__from_evsel(pos); + + evlist__add(&pevlist->evlist, &pevsel->evsel); + } + return (PyObject *)pevlist; +} + +static PyObject *pyrf__parse_events(PyObject *self, PyObject *args) +{ + const char *input; + struct evlist evlist = {}; + struct parse_events_error err; + PyObject *result; + + if (!PyArg_ParseTuple(args, "s", &input)) + return NULL; + + parse_events_error__init(&err); + evlist__init(&evlist, NULL, NULL); + if (parse_events(&evlist, input, &err)) { + parse_events_error__print(&err, input); + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + result = pyrf_evlist__from_evlist(&evlist); + evlist__exit(&evlist); + return result; +} + static PyMethodDef perf__methods[] = { { .ml_name = "tracepoint", @@ -1208,6 +1263,12 @@ static PyMethodDef perf__methods[] = { .ml_flags = METH_VARARGS | METH_KEYWORDS, .ml_doc = PyDoc_STR("Get tracepoint config.") }, + { + .ml_name = "parse_events", + .ml_meth = (PyCFunction) pyrf__parse_events, + .ml_flags = METH_VARARGS, + .ml_doc = PyDoc_STR("Parse a string of events and return an evlist.") + }, { .ml_name = NULL, } }; -- cgit v1.2.3 From 3c0401a0812528ef4e043f94993f63ca062547a4 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:42 -0800 Subject: perf python: Add __str__ and __repr__ functions to evlist This allows the values in the evlist to be shown in the REPL like: Python 3.11.9 (main, Jun 19 2024, 00:38:48) [GCC 13.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.path.insert(0,'/tmp/perf/python') >>> import perf >>> perf.parse_events('cycles,data_read') evlist([cycles,uncore_imc_free_running_0/data_read/,uncore_imc_free_running_1/data_read/]) Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-21-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index c84c912874b7..c556cbc582ae 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1069,6 +1069,30 @@ static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel)); } +static PyObject *pyrf_evlist__str(PyObject *self) +{ + struct pyrf_evlist *pevlist = (void *)self; + struct evsel *pos; + struct strbuf sb = STRBUF_INIT; + bool first = true; + PyObject *result; + + strbuf_addstr(&sb, "evlist(["); + evlist__for_each_entry(&pevlist->evlist, pos) { + if (!first) + strbuf_addch(&sb, ','); + if (!pos->pmu) + strbuf_addstr(&sb, evsel__name(pos)); + else + strbuf_addf(&sb, "%s/%s/", pos->pmu->name, evsel__name(pos)); + first = false; + } + strbuf_addstr(&sb, "])"); + result = PyUnicode_FromString(sb.buf); + strbuf_release(&sb); + return result; +} + static PySequenceMethods pyrf_evlist__sequence_methods = { .sq_length = pyrf_evlist__length, .sq_item = pyrf_evlist__item, @@ -1086,6 +1110,8 @@ static PyTypeObject pyrf_evlist__type = { .tp_doc = pyrf_evlist__doc, .tp_methods = pyrf_evlist__methods, .tp_init = (initproc)pyrf_evlist__init, + .tp_repr = pyrf_evlist__str, + .tp_str = pyrf_evlist__str, }; static int pyrf_evlist__setup_types(void) -- cgit v1.2.3 From 24fb6de241172283f0a4b91c319925b0103be917 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:43 -0800 Subject: perf python: Add __str__ and __repr__ functions to evsel This allows evsel to be shown in the REPL like: Python 3.11.9 (main, Jun 19 2024, 00:38:48) [GCC 13.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.path.insert(0, '/tmp/perf/python') >>> import perf >>> x=perf.parse_events('cycles,data_read') >>> print(x) evlist([cycles,uncore_imc_free_running_0/data_read/,uncore_imc_free_running_1/data_read/]) >>> x[0] evsel(cycles) >>> x[1] evsel(uncore_imc_free_running_0/data_read/) >>> x[2] evsel(uncore_imc_free_running_1/data_read/) Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-22-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index c556cbc582ae..893aa4185c03 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -781,6 +781,17 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel, return Py_None; } +static PyObject *pyrf_evsel__str(PyObject *self) +{ + struct pyrf_evsel *pevsel = (void *)self; + struct evsel *evsel = &pevsel->evsel; + + if (!evsel->pmu) + return PyUnicode_FromFormat("evsel(%s)", evsel__name(evsel)); + + return PyUnicode_FromFormat("evsel(%s/%s/)", evsel->pmu->name, evsel__name(evsel)); +} + static PyMethodDef pyrf_evsel__methods[] = { { .ml_name = "open", @@ -802,6 +813,8 @@ static PyTypeObject pyrf_evsel__type = { .tp_doc = pyrf_evsel__doc, .tp_methods = pyrf_evsel__methods, .tp_init = (initproc)pyrf_evsel__init, + .tp_str = pyrf_evsel__str, + .tp_repr = pyrf_evsel__str, }; static int pyrf_evsel__setup_types(void) -- cgit v1.2.3 From 233157785a34612e5899be6edcc6a53ea682d379 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 18 Nov 2024 17:16:44 -0800 Subject: perf python: Correctly throw IndexError Correctly throw IndexError for out-of-bound accesses to evlist: Python 3.11.9 (main, Jun 19 2024, 00:38:48) [GCC 13.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.path.insert(0, '/tmp/perf/python') >>> import perf >>> x=perf.parse_events('cycles') >>> print(x) evlist([cycles]) >>> x[2] Traceback (most recent call last): File "", line 1, in IndexError: Index out of range Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Athira Rajeev Cc: Colin Ian King Cc: Dapeng Mi Cc: Howard Chu Cc: Ilya Leoshkevich Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Josh Poimboeuf Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Richter Cc: Veronika Molnarova Cc: Weilin Wang Link: https://lore.kernel.org/r/20241119011644.971342-23-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'tools/perf/util/python.c') diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 893aa4185c03..b4bc57859f73 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1071,8 +1071,10 @@ static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) struct pyrf_evlist *pevlist = (void *)obj; struct evsel *pos; - if (i >= pevlist->evlist.core.nr_entries) + if (i >= pevlist->evlist.core.nr_entries) { + PyErr_SetString(PyExc_IndexError, "Index out of range"); return NULL; + } evlist__for_each_entry(&pevlist->evlist, pos) { if (i-- == 0) -- cgit v1.2.3