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    Subject[PATCH 14/26] perf tools: Add mmap3 events to --show-mmap-events option
    Date
    Displaying mmap3 events for --show-mmap-events option,
    the build id is displayed within <> braces:

    $ perf script --show-mmap-events
    kill 12148 13893.519014: PERF_RECORD_MMAP3 12148/12148: <43938d0803c5e3130ea679cd569aaf44b98d9ae8> [0x560e7d7f..
    kill 12148 13893.519420: PERF_RECORD_MMAP3 12148/12148: <1805c738c8f3ec0f47b7ea09080c28f34d18a82b> [0x7f9e7dfc..

    Signed-off-by: Jiri Olsa <jolsa@kernel.org>
    ---
    tools/perf/builtin-script.c | 33 +++++++++++++++++++++++++++++++++
    1 file changed, 33 insertions(+)

    diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
    index d839983cfb88..9c09581d5cb0 100644
    --- a/tools/perf/builtin-script.c
    +++ b/tools/perf/builtin-script.c
    @@ -2342,6 +2342,38 @@ static int process_mmap2_event(struct perf_tool *tool,
    event->mmap2.tid);
    }

    +static int process_mmap3_event(struct perf_tool *tool,
    + union perf_event *event,
    + struct perf_sample *sample,
    + struct machine *machine)
    +{
    + struct thread *thread;
    + struct perf_script *script = container_of(tool, struct perf_script, tool);
    + struct perf_session *session = script->session;
    + struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
    +
    + if (perf_event__process_mmap3(tool, event, sample, machine) < 0)
    + return -1;
    +
    + thread = machine__findnew_thread(machine, event->mmap3.pid, event->mmap3.tid);
    + if (thread == NULL) {
    + pr_debug("problem processing MMAP2 event, skipping it.\n");
    + return -1;
    + }
    +
    + if (!evsel->core.attr.sample_id_all) {
    + sample->cpu = 0;
    + sample->time = 0;
    + sample->tid = event->mmap3.tid;
    + sample->pid = event->mmap3.pid;
    + }
    + perf_sample__fprintf_start(script, sample, thread, evsel,
    + PERF_RECORD_MMAP3, stdout);
    + perf_event__fprintf(event, machine, stdout);
    + thread__put(thread);
    + return 0;
    +}
    +
    static int process_switch_event(struct perf_tool *tool,
    union perf_event *event,
    struct perf_sample *sample,
    @@ -2498,6 +2530,7 @@ static int __cmd_script(struct perf_script *script)
    if (script->show_mmap_events) {
    script->tool.mmap = process_mmap_event;
    script->tool.mmap2 = process_mmap2_event;
    + script->tool.mmap3 = process_mmap3_event;
    }
    if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
    script->tool.context_switch = process_switch_event;
    --
    2.26.2
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