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


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