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Date: Thu, 17 Dec 2015 16:46:56 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
David Ahern <dsahern@...il.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 15/43] perf tools: Add stat round user level event
From: Jiri Olsa <jolsa@...nel.org>
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@...nel.org>
Tested-by: Kan Liang <kan.liang@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-18-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/util/event.c | 1 +
tools/perf/util/event.h | 13 +++++++++++++
tools/perf/util/session.c | 21 +++++++++++++++++++++
tools/perf/util/tool.h | 3 ++-
4 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index eb8243ab6ab1..725db548c7d5 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -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)
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 336eb44babf8..5eb4f55a141d 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -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);
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 663a2fdab42c..5b3a81a6b795 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -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;
}
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index f0b9da0c166a..d04d9e5f444a 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -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;
--
2.1.0
--
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