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perf thread_map: Add thread_map user level event

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Adding the thread_map event to pass/store thread maps as data in
the pipe/perf.data.

Storing the thread ID along with the standard comm[16] thread name string.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-4-git-send-email-jolsa@kernel.org
[ Renamed thread_map_data_event to thread_map_event_entry ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-10-25 15:51:19 +01:00
committed by Arnaldo Carvalho de Melo
parent 1843b4e057
commit 5f3339d2e8
4 changed files with 42 additions and 1 deletions
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13
tools/perf/util/event.h
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@@ -226,6 +226,7 @@ enum perf_user_event_type { /* above any possible kernel type */
PERF_RECORD_AUXTRACE_INFO = 70,
PERF_RECORD_AUXTRACE = 71,
PERF_RECORD_AUXTRACE_ERROR = 72,
PERF_RECORD_THREAD_MAP = 73,
PERF_RECORD_HEADER_MAX
};
@@ -356,6 +357,17 @@ struct context_switch_event {
u32 next_prev_tid;
};
struct thread_map_event_entry {
u64 pid;
char comm[16];
};
struct thread_map_event {
struct perf_event_header header;
u64 nr;
struct thread_map_event_entry entries[];
};
union perf_event {
struct perf_event_header header;
struct mmap_event mmap;
@@ -378,6 +390,7 @@ union perf_event {
struct aux_event aux;
struct itrace_start_event itrace_start;
struct context_switch_event context_switch;
struct thread_map_event thread_map;
};
void perf_event__print_totals(void);