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    Subject[PATCH 11/19] perf hist browser: Add suppport for event group view
    Date
    From: Namhyung Kim <namhyung.kim@lge.com>

    Show group members' overhead also when showing the leader's if event
    group is enabled.

    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Stephane Eranian <eranian@google.com>
    Signed-off-by: Namhyung Kim <namhyung@kernel.org>
    ---
    tools/perf/ui/browsers/hists.c | 57 ++++++++++++++++++++++++++++++++++++++++++
    1 file changed, 57 insertions(+)

    diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
    index 852e4e10c7c4..d7112dfa89cc 100644
    --- a/tools/perf/ui/browsers/hists.c
    +++ b/tools/perf/ui/browsers/hists.c
    @@ -602,6 +602,63 @@ static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
    ret += scnprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
    slsmg_printf("%s", hpp->buf);

    + if (symbol_conf.event_group) {
    + int prev_idx, idx_delta;
    + struct perf_evsel *evsel = hists_to_evsel(hists);
    + struct hist_entry *pair;
    + int nr_members = evsel->nr_members;
    +
    + if (nr_members <= 1)
    + goto out;
    +
    + prev_idx = perf_evsel__group_idx(evsel);
    +
    + list_for_each_entry(pair, &he->pairs.head, pairs.node) {
    + u64 period = get_field(pair);
    + u64 total = pair->hists->stats.total_period;
    +
    + if (!total)
    + continue;
    +
    + evsel = hists_to_evsel(pair->hists);
    + idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
    +
    + while (idx_delta--) {
    + /*
    + * zero-fill group members in the middle which
    + * have no sample
    + */
    + ui_browser__set_percent_color(arg->b, 0.0,
    + arg->current_entry);
    + ret += scnprintf(hpp->buf, hpp->size,
    + " %6.2f%%", 0.0);
    + slsmg_printf("%s", hpp->buf);
    + }
    +
    + percent = 100.0 * period / total;
    + ui_browser__set_percent_color(arg->b, percent,
    + arg->current_entry);
    + ret += scnprintf(hpp->buf, hpp->size,
    + " %6.2f%%", percent);
    + slsmg_printf("%s", hpp->buf);
    +
    + prev_idx = perf_evsel__group_idx(evsel);
    + }
    +
    + idx_delta = nr_members - prev_idx - 1;
    +
    + while (idx_delta--) {
    + /*
    + * zero-fill group members at last which have no sample
    + */
    + ui_browser__set_percent_color(arg->b, 0.0,
    + arg->current_entry);
    + ret += scnprintf(hpp->buf, hpp->size,
    + " %6.2f%%", 0.0);
    + slsmg_printf("%s", hpp->buf);
    + }
    + }
    +out:
    if (!arg->current_entry || !arg->b->navkeypressed)
    ui_browser__set_color(arg->b, HE_COLORSET_NORMAL);

    --
    1.7.11.7


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