[PATCH 25/47] perf tools: Add stat round event synthesize function

Jiri Olsa
2015-07-21T12:33:02Z

Introduce perf_event__synthesize_stat_round function to
synthesize 'struct stat_round_event'.

Link: http://lkml.kernel.org/n/tip-gl8rk2il9grrnqalrqlo7iym@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/tests/builtin-test.c | 4 ++++
tools/perf/tests/stat.c | 19 +++++++++++++++++++
tools/perf/tests/tests.h | 2 ++
tools/perf/util/event.c | 16 ++++++++++++++++
tools/perf/util/event.h | 4 ++++
5 files changed, 45 insertions(+)

diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 7d8772c0ea82..4dd6483a6c1c 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -191,6 +191,10 @@ static struct test {
.func = test__synthesize_stat,
},
{
+ .desc = "Test stat round synthesize",
+ .func = test__synthesize_stat_round,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/tests/stat.c b/tools/perf/tests/stat.c
index 31b242159e79..862062256cca 100644
--- a/tools/perf/tests/stat.c
+++ b/tools/perf/tests/stat.c
@@ -87,3 +87,22 @@ int test__synthesize_stat(void)

return 0;
}
+
+static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct stat_round_event *stat_round = &event->stat_round;
+
+ TEST_ASSERT_VAL("wrong time", stat_round->time == 0xdeadbeef);
+ return 0;
+}
+
+int test__synthesize_stat_round(void)
+{
+ TEST_ASSERT_VAL("failed to synthesize stat_config",
+ !perf_event__synthesize_stat_round(NULL, 0xdeadbeef, process_stat_round_event, NULL));
+
+ return 0;
+}
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index 98beb2be1e26..ae28421a4834 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -66,6 +66,8 @@ int test__thread_map_synthesize(void);
int test__cpu_map_synthesize(void);
int test__synthesize_stat_config(void);
int test__synthesize_stat(void);
+int test__synthesize_stat_round(void);
+

#if defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 658cb81eb27f..905c6dc21ac8 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -827,6 +827,22 @@ int perf_event__synthesize_stat(struct perf_tool *tool,
return process(tool, (union perf_event *) &event, NULL, machine);
}

+int perf_event__synthesize_stat_round(struct perf_tool *tool,
+ u64 time,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ struct stat_round_event event;
+
+ event.header.type = PERF_RECORD_STAT_ROUND;
+ event.header.size = sizeof(event);
+ event.header.misc = 0;
+
+ event.time = time;
+
+ 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)
{
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index a4d3b3098613..d5a248b7643a 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -482,6 +482,10 @@ int perf_event__synthesize_stat(struct perf_tool *tool,
struct perf_counts_values *count,
perf_event__handler_t process,
struct machine *machine);
+int perf_event__synthesize_stat_round(struct perf_tool *tool,
+ u64 time,
+ perf_event__handler_t process,
+ struct machine *machine);
int perf_event__synthesize_modules(struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine);
--
2.4.3