summaryrefslogtreecommitdiff
path: root/tools/perf/builtin-script.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/builtin-script.c')
-rw-r--r--tools/perf/builtin-script.c209
1 files changed, 203 insertions, 6 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index baf17989a216..952dce979252 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -280,6 +280,30 @@ static int perf_session__check_output_opt(struct perf_session *session)
set_print_ip_opts(&evsel->attr);
}
+ /*
+ * set default for tracepoints to print symbols only
+ * if callchains are present
+ */
+ if (symbol_conf.use_callchain &&
+ !output[PERF_TYPE_TRACEPOINT].user_set) {
+ struct perf_event_attr *attr;
+
+ j = PERF_TYPE_TRACEPOINT;
+ evsel = perf_session__find_first_evtype(session, j);
+ if (evsel == NULL)
+ goto out;
+
+ attr = &evsel->attr;
+
+ if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
+ output[j].fields |= PERF_OUTPUT_IP;
+ output[j].fields |= PERF_OUTPUT_SYM;
+ output[j].fields |= PERF_OUTPUT_DSO;
+ set_print_ip_opts(attr);
+ }
+ }
+
+out:
return 0;
}
@@ -288,7 +312,6 @@ static void print_sample_start(struct perf_sample *sample,
struct perf_evsel *evsel)
{
struct perf_event_attr *attr = &evsel->attr;
- const char *evname = NULL;
unsigned long secs;
unsigned long usecs;
unsigned long long nsecs;
@@ -323,11 +346,6 @@ static void print_sample_start(struct perf_sample *sample,
usecs = nsecs / NSECS_PER_USEC;
printf("%5lu.%06lu: ", secs, usecs);
}
-
- if (PRINT_FIELD(EVNAME)) {
- evname = perf_evsel__name(evsel);
- printf("%s: ", evname ? evname : "[unknown]");
- }
}
static bool is_bts_event(struct perf_event_attr *attr)
@@ -434,6 +452,11 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
print_sample_start(sample, thread, evsel);
+ if (PRINT_FIELD(EVNAME)) {
+ const char *evname = perf_evsel__name(evsel);
+ printf("%s: ", evname ? evname : "[unknown]");
+ }
+
if (is_bts_event(attr)) {
print_sample_bts(event, sample, evsel, machine, thread);
return;
@@ -549,6 +572,8 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
struct perf_script {
struct perf_tool tool;
struct perf_session *session;
+ bool show_task_events;
+ bool show_mmap_events;
};
static int process_attr(struct perf_tool *tool, union perf_event *event,
@@ -579,6 +604,163 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
return perf_evsel__check_attr(evsel, scr->session);
}
+static int process_comm_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+ int ret = -1;
+
+ thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing COMM event, skipping it.\n");
+ return -1;
+ }
+
+ if (perf_event__process_comm(tool, event, sample, machine) < 0)
+ goto out;
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->comm.tid;
+ sample->pid = event->comm.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+ ret = 0;
+
+out:
+ return ret;
+}
+
+static int process_fork_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ if (perf_event__process_fork(tool, event, sample, machine) < 0)
+ return -1;
+
+ thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing FORK event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = event->fork.time;
+ sample->tid = event->fork.tid;
+ sample->pid = event->fork.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ return 0;
+}
+static int process_exit_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing EXIT event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->comm.tid;
+ sample->pid = event->comm.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ if (perf_event__process_exit(tool, event, sample, machine) < 0)
+ return -1;
+
+ return 0;
+}
+
+static int process_mmap_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ if (perf_event__process_mmap(tool, event, sample, machine) < 0)
+ return -1;
+
+ thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing MMAP event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->mmap.tid;
+ sample->pid = event->mmap.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ return 0;
+}
+
+static int process_mmap2_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
+ return -1;
+
+ thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing MMAP2 event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->mmap2.tid;
+ sample->pid = event->mmap2.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ return 0;
+}
+
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
@@ -590,6 +772,17 @@ static int __cmd_script(struct perf_script *script)
signal(SIGINT, sig_handler);
+ /* override event processing functions */
+ if (script->show_task_events) {
+ script->tool.comm = process_comm_event;
+ script->tool.fork = process_fork_event;
+ script->tool.exit = process_exit_event;
+ }
+ if (script->show_mmap_events) {
+ script->tool.mmap = process_mmap_event;
+ script->tool.mmap2 = process_mmap2_event;
+ }
+
ret = perf_session__process_events(script->session, &script->tool);
if (debug_mode)
@@ -1352,6 +1545,10 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
"display extended information from perf.data file"),
OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
"Show the path of [kernel.kallsyms]"),
+ OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
+ "Show the fork/comm/exit events"),
+ OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
+ "Show the mmap events"),
OPT_END()
};
const char * const script_usage[] = {
generated by cgit v1.2.3 (git 2.39.0) at 2025-09-19 20:54:17 +0300