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    Subject[PATCH 3/6] perf timechart: add support for displaying only tasks related data
    Date
    In order to make SVG smaller and faster to browse add possibility to
    switch off power related information with -T switch.

    Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
    ---
    tools/perf/builtin-timechart.c | 15 ++++++++++++++-
    1 file changed, 14 insertions(+), 1 deletion(-)

    diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
    index e6c041301aa4..c7b30a8c7f3b 100644
    --- a/tools/perf/builtin-timechart.c
    +++ b/tools/perf/builtin-timechart.c
    @@ -41,6 +41,7 @@
    #define PWR_EVENT_EXIT -1

    static int proc_num = 15;
    +static bool no_power;


    static unsigned int numcpus;
    @@ -967,7 +968,8 @@ static void write_svg_file(const char *filename)
    draw_cpu_usage();
    if (proc_num)
    draw_process_bars();
    - draw_c_p_states();
    + if (!no_power)
    + draw_c_p_states();
    if (proc_num)
    draw_wakeups();

    @@ -1076,6 +1078,15 @@ static int __cmd_record(int argc, const char **argv)
    }

    static int
    +parse_tasks(const struct option *opt __maybe_unused,
    + const char *arg __maybe_unused,
    + int unset __maybe_unused)
    +{
    + no_power = 1;
    + return 0;
    +}
    +
    +static int
    parse_process(const struct option *opt __maybe_unused, const char *arg,
    int __maybe_unused unset)
    {
    @@ -1103,6 +1114,8 @@ int cmd_timechart(int argc, const char **argv,
    OPT_INTEGER('w', "width", &svg_page_width, "page width"),
    OPT_CALLBACK_NOOPT('P', "power-only", NULL, NULL,
    "output power data only", parse_power),
    + OPT_CALLBACK_NOOPT('T', "tasks-only", NULL, NULL,
    + "output processes data only", parse_tasks),
    OPT_CALLBACK('p', "process", NULL, "process",
    "process selector. Pass a pid or process name.",
    parse_process),
    --
    1.8.1.2


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