From d4c2259195f538505d2570e78555532372fb4ad2 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sun, 25 Oct 2015 15:51:34 +0100 Subject: [PATCH] perf tools: Add stat round event synthesize function Introduce the perf_event__synthesize_stat_round function to synthesize a 'struct stat_round_event'. Signed-off-by: Jiri Olsa Tested-by: Kan Liang Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1445784728-21732-19-git-send-email-jolsa@kernel.org [ Renamed 'time' parameter to 'evtime' to fix build on older systems ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/builtin-test.c | 4 ++++ tools/perf/tests/stat.c | 21 +++++++++++++++++++++ tools/perf/tests/tests.h | 1 + tools/perf/util/event.c | 17 +++++++++++++++++ tools/perf/util/event.h | 4 ++++ 5 files changed, 47 insertions(+) diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 4a7d9989e1c3..6a3519814492 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -195,6 +195,10 @@ static struct test generic_tests[] = { .desc = "Test stat synthesize", .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 d319875a5e7c..6a20ff2326bb 100644 --- a/tools/perf/tests/stat.c +++ b/tools/perf/tests/stat.c @@ -88,3 +88,24 @@ int test__synthesize_stat(int subtest __maybe_unused) 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); + TEST_ASSERT_VAL("wrong type", stat_round->type == PERF_STAT_ROUND_TYPE__INTERVAL); + return 0; +} + +int test__synthesize_stat_round(int subtest __maybe_unused) +{ + TEST_ASSERT_VAL("failed to synthesize stat_config", + !perf_event__synthesize_stat_round(NULL, 0xdeadbeef, PERF_STAT_ROUND_TYPE__INTERVAL, + process_stat_round_event, NULL)); + + return 0; +} diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index d36eda17a5f5..a82ab9c4c0ca 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -83,6 +83,7 @@ int test__thread_map_synthesize(int subtest); int test__cpu_map_synthesize(int subtest); int test__synthesize_stat_config(int subtest); int test__synthesize_stat(int subtest); +int test__synthesize_stat_round(int subtest); #if defined(__arm__) || defined(__aarch64__) #ifdef HAVE_DWARF_UNWIND_SUPPORT diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 725db548c7d5..e4c68ba79974 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -933,6 +933,23 @@ 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 evtime, u64 type, + 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 = evtime; + event.type = type; + + 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 5eb4f55a141d..1afaa21eeebe 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -517,6 +517,10 @@ 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, u64 type, + 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); -- 2.20.1