lkml.org 
[lkml]   [2012]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 04/12] perf hists: Maintain total periods of group members in the leader
    Date
    From: Namhyung Kim <namhyung.kim@lge.com>

    Like group_stats in hist_entry, total periods information also need to
    be known to the leader.

    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Stephane Eranian <eranian@google.com>
    Acked-by: Jiri Olsa <jolsa@redhat.com>
    Signed-off-by: Namhyung Kim <namhyung@kernel.org>
    ---
    tools/perf/util/hist.c | 25 +++++++++++++++++++++++++
    tools/perf/util/hist.h | 1 +
    2 files changed, 26 insertions(+)

    diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
    index 95415716c708..48488057c3da 100644
    --- a/tools/perf/util/hist.c
    +++ b/tools/perf/util/hist.c
    @@ -194,6 +194,28 @@ static void hist_entry__add_group_stat(struct hist_entry *he_dest,
    he_stat__add_stat(&he_dest->group_stats[evsel->group_idx], src);
    }

    +static void hists__add_group_stat(struct hists *hists)
    +{
    + struct perf_evsel *evsel = hists_2_evsel(hists);
    + struct perf_evsel *leader = evsel->leader;
    + struct hists *leader_hists;
    +
    + if (perf_evsel__is_group_leader(evsel))
    + return;
    +
    + leader_hists = &leader->hists;
    +
    + if (!leader_hists->group_stats) {
    + leader_hists->group_stats = calloc(leader->nr_members,
    + sizeof(struct events_stats));
    + if (!leader_hists->group_stats)
    + return;
    + }
    +
    + memcpy(&leader_hists->group_stats[evsel->group_idx],
    + &hists->stats, sizeof(struct events_stats));
    +}
    +
    static void hist_entry__decay(struct hist_entry *he)
    {
    he->stat.period = (he->stat.period * 7) / 8;
    @@ -561,6 +583,9 @@ static void __hists__collapse_resort(struct hists *hists, bool threaded)
    hists__apply_filters(hists, n);
    }
    }
    +
    + if (symbol_conf.event_group)
    + hists__add_group_stat(hists);
    }

    void hists__collapse_resort(struct hists *hists)
    diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
    index a4f45dd04697..99ac4d34c917 100644
    --- a/tools/perf/util/hist.h
    +++ b/tools/perf/util/hist.h
    @@ -67,6 +67,7 @@ struct hists {
    const char *symbol_filter_str;
    pthread_mutex_t lock;
    struct events_stats stats;
    + struct events_stats *group_stats;
    u64 event_stream;
    u16 col_len[HISTC_NR_COLS];
    };
    --
    1.7.9.2


    \
     
     \ /
      Last update: 2012-11-09 18:41    [W:3.138 / U:0.012 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site