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perf tools: Add stat round user level event

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Adding the stat round event to be stored after each stat interval round,
so that report tools (report/script) gets notified and process interval
data.

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/1445784728-21732-18-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-10-25 15:51:33 +01:00
committed by Arnaldo Carvalho de Melo
parent 0ea0e35586
commit 2d8f0f18a5
4 changed files with 37 additions and 1 deletions
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21
tools/perf/util/session.c
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@@ -333,6 +333,15 @@ static int process_stat_stub(struct perf_tool *tool __maybe_unused,
return 0;
}
static int process_stat_round_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_session *perf_session
__maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
void perf_tool__fill_defaults(struct perf_tool *tool)
{
if (tool->sample == NULL)
@@ -391,6 +400,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool)
tool->stat_config = process_event_stat_config_stub;
if (tool->stat == NULL)
tool->stat = process_stat_stub;
if (tool->stat_round == NULL)
tool->stat_round = process_stat_round_stub;
}
static void swap_sample_id_all(union perf_event *event, void *data)
@@ -729,6 +740,13 @@ static void perf_event__stat_swap(union perf_event *event,
event->stat.run = bswap_64(event->stat.run);
}
static void perf_event__stat_round_swap(union perf_event *event,
bool sample_id_all __maybe_unused)
{
event->stat_round.type = bswap_64(event->stat_round.type);
event->stat_round.time = bswap_64(event->stat_round.time);
}
typedef void (*perf_event__swap_op)(union perf_event *event,
bool sample_id_all);
@@ -760,6 +778,7 @@ static perf_event__swap_op perf_event__swap_ops[] = {
[PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap,
[PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap,
[PERF_RECORD_STAT] = perf_event__stat_swap,
[PERF_RECORD_STAT_ROUND] = perf_event__stat_round_swap,
[PERF_RECORD_HEADER_MAX] = NULL,
};
@@ -1304,6 +1323,8 @@ static s64 perf_session__process_user_event(struct perf_session *session,
return tool->stat_config(tool, event, session);
case PERF_RECORD_STAT:
return tool->stat(tool, event, session);
case PERF_RECORD_STAT_ROUND:
return tool->stat_round(tool, event, session);
default:
return -EINVAL;
}