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perf tools: Add stat event synthesize function

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Introduce the perf_event__synthesize_stat function to synthesize a
'struct stat_event'.

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/1445784728-21732-16-git-send-email-jolsa@kernel.org
[ Renamed 'stat' parameter to 'st' to fix 'already defined' build error with older distros (e.g. RHEL6.7) ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-10-25 15:51:31 +01:00
committed by Arnaldo Carvalho de Melo
parent d80518c90b
commit 5796f8f073
5 changed files with 69 additions and 6 deletions
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22
tools/perf/util/event.c
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@@ -910,6 +910,28 @@ int perf_event__synthesize_stat_config(struct perf_tool *tool,
return err;
}
int perf_event__synthesize_stat(struct perf_tool *tool,
u32 cpu, u32 thread, u64 id,
struct perf_counts_values *count,
perf_event__handler_t process,
struct machine *machine)
{
struct stat_event event;
event.header.type = PERF_RECORD_STAT;
event.header.size = sizeof(event);
event.header.misc = 0;
event.id = id;
event.cpu = cpu;
event.thread = thread;
event.val = count->val;
event.ena = count->ena;
event.run = count->run;
return process(tool, (union perf_event *) &event, NULL, machine);
}
void perf_event__read_stat_config(struct perf_stat_config *config,
struct stat_config_event *event)
{