openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

perf tools: Add stat round user level event 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
tools/perf/util/event.c
View File

@ -43,6 +43,7 @@ static const char *perf_event__names[] = {
[PERF_RECORD_CPU_MAP] = "CPU_MAP",
[PERF_RECORD_STAT_CONFIG] = "STAT_CONFIG",
[PERF_RECORD_STAT] = "STAT",
[PERF_RECORD_STAT_ROUND] = "STAT_ROUND",
};
const char *perf_event__name(unsigned int id)

13
tools/perf/util/event.h
View File

@ -230,6 +230,7 @@ enum perf_user_event_type { /* above any possible kernel type */
PERF_RECORD_CPU_MAP = 74,
PERF_RECORD_STAT_CONFIG = 75,
PERF_RECORD_STAT = 76,
PERF_RECORD_STAT_ROUND = 77,
PERF_RECORD_HEADER_MAX
};
@ -432,6 +433,17 @@ struct stat_event {
};
};
enum {
PERF_STAT_ROUND_TYPE__INTERVAL = 0,
PERF_STAT_ROUND_TYPE__FINAL = 1,
};
struct stat_round_event {
struct perf_event_header header;
u64 type;
u64 time;
};
union perf_event {
struct perf_event_header header;
struct mmap_event mmap;
@ -458,6 +470,7 @@ union perf_event {
struct cpu_map_event cpu_map;
struct stat_config_event stat_config;
struct stat_event stat;
struct stat_round_event stat_round;
};
void perf_event__print_totals(void);

21
tools/perf/util/session.c
View File

@ -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;
}

3
tools/perf/util/tool.h
View File

@ -59,7 +59,8 @@ struct perf_tool {
thread_map,
cpu_map,
stat_config,
stat;
stat,
stat_round;
event_op3 auxtrace;
bool ordered_events;
bool ordering_requires_timestamps;