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-rw-r--r--tools/lib/api/fd/array.h5
-rw-r--r--tools/lib/perf/evlist.c28
-rw-r--r--tools/lib/perf/evsel.c3
-rw-r--r--tools/lib/perf/include/internal/evlist.h1
-rw-r--r--tools/lib/perf/include/perf/event.h25
-rw-r--r--tools/lib/subcmd/exec-cmd.c3
6 files changed, 46 insertions, 19 deletions
diff --git a/tools/lib/api/fd/array.h b/tools/lib/api/fd/array.h
index 60ad197c8ee9..5c01f7b05dfb 100644
--- a/tools/lib/api/fd/array.h
+++ b/tools/lib/api/fd/array.h
@@ -31,8 +31,9 @@ struct fdarray {
};
enum fdarray_flags {
- fdarray_flag__default = 0x00000000,
- fdarray_flag__nonfilterable = 0x00000001
+ fdarray_flag__default = 0x00000000,
+ fdarray_flag__nonfilterable = 0x00000001,
+ fdarray_flag__non_perf_event = 0x00000002,
};
void fdarray__init(struct fdarray *fda, int nr_autogrow);
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 8ec5b9f344e0..61b637f29b82 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -40,11 +40,11 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
* We already have cpus for evsel (via PMU sysfs) so
* keep it, if there's no target cpu list defined.
*/
- if (!evsel->own_cpus ||
- (!evsel->system_wide && evlist->has_user_cpus) ||
- (!evsel->system_wide &&
- !evsel->requires_cpu &&
- perf_cpu_map__empty(evlist->user_requested_cpus))) {
+ if (evsel->system_wide) {
+ perf_cpu_map__put(evsel->cpus);
+ evsel->cpus = perf_cpu_map__new(NULL);
+ } else if (!evsel->own_cpus || evlist->has_user_cpus ||
+ (!evsel->requires_cpu && perf_cpu_map__empty(evlist->user_requested_cpus))) {
perf_cpu_map__put(evsel->cpus);
evsel->cpus = perf_cpu_map__get(evlist->user_requested_cpus);
} else if (evsel->cpus != evsel->own_cpus) {
@@ -52,7 +52,10 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
evsel->cpus = perf_cpu_map__get(evsel->own_cpus);
}
- if (!evsel->system_wide) {
+ if (evsel->system_wide) {
+ perf_thread_map__put(evsel->threads);
+ evsel->threads = perf_thread_map__new_dummy();
+ } else {
perf_thread_map__put(evsel->threads);
evsel->threads = perf_thread_map__get(evlist->threads);
}
@@ -64,9 +67,7 @@ static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
{
struct perf_evsel *evsel;
- /* Recomputing all_cpus, so start with a blank slate. */
- perf_cpu_map__put(evlist->all_cpus);
- evlist->all_cpus = NULL;
+ evlist->needs_map_propagation = true;
perf_evlist__for_each_evsel(evlist, evsel)
__perf_evlist__propagate_maps(evlist, evsel);
@@ -78,7 +79,9 @@ void perf_evlist__add(struct perf_evlist *evlist,
evsel->idx = evlist->nr_entries;
list_add_tail(&evsel->node, &evlist->entries);
evlist->nr_entries += 1;
- __perf_evlist__propagate_maps(evlist, evsel);
+
+ if (evlist->needs_map_propagation)
+ __perf_evlist__propagate_maps(evlist, evsel);
}
void perf_evlist__remove(struct perf_evlist *evlist,
@@ -174,9 +177,6 @@ void perf_evlist__set_maps(struct perf_evlist *evlist,
evlist->threads = perf_thread_map__get(threads);
}
- if (!evlist->all_cpus && cpus)
- evlist->all_cpus = perf_cpu_map__get(cpus);
-
perf_evlist__propagate_maps(evlist);
}
@@ -487,6 +487,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
if (ops->idx)
ops->idx(evlist, evsel, mp, idx);
+ /* Debug message used by test scripts */
pr_debug("idx %d: mmapping fd %d\n", idx, *output);
if (ops->mmap(map, mp, *output, evlist_cpu) < 0)
return -1;
@@ -496,6 +497,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
if (!idx)
perf_evlist__set_mmap_first(evlist, map, overwrite);
} else {
+ /* Debug message used by test scripts */
pr_debug("idx %d: set output fd %d -> %d\n", idx, fd, *output);
if (ioctl(fd, PERF_EVENT_IOC_SET_OUTPUT, *output) != 0)
return -1;
diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
index 8ce5bbd09666..8b51b008a81f 100644
--- a/tools/lib/perf/evsel.c
+++ b/tools/lib/perf/evsel.c
@@ -515,9 +515,6 @@ int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
if (ncpus == 0 || nthreads == 0)
return 0;
- if (evsel->system_wide)
- nthreads = 1;
-
evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id));
if (evsel->sample_id == NULL)
return -ENOMEM;
diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
index 6f89aec3e608..850f07070036 100644
--- a/tools/lib/perf/include/internal/evlist.h
+++ b/tools/lib/perf/include/internal/evlist.h
@@ -19,6 +19,7 @@ struct perf_evlist {
int nr_entries;
int nr_groups;
bool has_user_cpus;
+ bool needs_map_propagation;
/**
* The cpus passed from the command line or all online CPUs by
* default.
diff --git a/tools/lib/perf/include/perf/event.h b/tools/lib/perf/include/perf/event.h
index d8ae4e944467..e282faf8fd75 100644
--- a/tools/lib/perf/include/perf/event.h
+++ b/tools/lib/perf/include/perf/event.h
@@ -153,6 +153,7 @@ struct perf_record_header_attr {
enum {
PERF_CPU_MAP__CPUS = 0,
PERF_CPU_MAP__MASK = 1,
+ PERF_CPU_MAP__RANGE_CPUS = 2,
};
/*
@@ -195,6 +196,17 @@ struct perf_record_mask_cpu_map64 {
#pragma GCC diagnostic ignored "-Wpacked"
#pragma GCC diagnostic ignored "-Wattributes"
+/*
+ * An encoding of a CPU map for a range starting at start_cpu through to
+ * end_cpu. If any_cpu is 1, an any CPU (-1) value (aka dummy value) is present.
+ */
+struct perf_record_range_cpu_map {
+ __u8 any_cpu;
+ __u8 __pad;
+ __u16 start_cpu;
+ __u16 end_cpu;
+};
+
struct __packed perf_record_cpu_map_data {
__u16 type;
union {
@@ -204,6 +216,8 @@ struct __packed perf_record_cpu_map_data {
struct perf_record_mask_cpu_map32 mask32_data;
/* Used when type == PERF_CPU_MAP__MASK and long_size == 8. */
struct perf_record_mask_cpu_map64 mask64_data;
+ /* Used when type == PERF_CPU_MAP__RANGE_CPUS. */
+ struct perf_record_range_cpu_map range_cpu_data;
};
};
@@ -233,7 +247,16 @@ struct perf_record_event_update {
struct perf_event_header header;
__u64 type;
__u64 id;
- char data[];
+ union {
+ /* Used when type == PERF_EVENT_UPDATE__SCALE. */
+ struct perf_record_event_update_scale scale;
+ /* Used when type == PERF_EVENT_UPDATE__UNIT. */
+ char unit[0];
+ /* Used when type == PERF_EVENT_UPDATE__NAME. */
+ char name[0];
+ /* Used when type == PERF_EVENT_UPDATE__CPUS. */
+ struct perf_record_event_update_cpus cpus;
+ };
};
#define MAX_EVENT_NAME 64
diff --git a/tools/lib/subcmd/exec-cmd.c b/tools/lib/subcmd/exec-cmd.c
index 33e94fb83986..5dbea456973e 100644
--- a/tools/lib/subcmd/exec-cmd.c
+++ b/tools/lib/subcmd/exec-cmd.c
@@ -24,6 +24,9 @@ void exec_cmd_init(const char *exec_name, const char *prefix,
subcmd_config.prefix = prefix;
subcmd_config.exec_path = exec_path;
subcmd_config.exec_path_env = exec_path_env;
+
+ /* Setup environment variable for invoked shell script. */
+ setenv("PREFIX", prefix, 1);
}
#define is_dir_sep(c) ((c) == '/')