perf hists: Convert hist entry functions to use struct he_stat

The hist_entry__add_cpumode_period() and hist_entry__decay() functions
are dealing with hist_entry's stat fields only.

Make them he_stat methods then.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Arun Sharma <asharma@fb.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Rodrigo Campos <rodrigo@sdfg.com.ar>
Link: http://lkml.kernel.org/r/1389677157-30513-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 4ed3e88..e4e6249 100644 (file)
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -181,21 +181,21 @@ void hists__output_recalc_col_len(struct hists *hists, int max_rows)
        }
 }
 
-static void hist_entry__add_cpumode_period(struct hist_entry *he,
-                                          unsigned int cpumode, u64 period)
+static void he_stat__add_cpumode_period(struct he_stat *he_stat,
+                                       unsigned int cpumode, u64 period)
 {
        switch (cpumode) {
        case PERF_RECORD_MISC_KERNEL:
-               he->stat.period_sys += period;
+               he_stat->period_sys += period;
                break;
        case PERF_RECORD_MISC_USER:
-               he->stat.period_us += period;
+               he_stat->period_us += period;
                break;
        case PERF_RECORD_MISC_GUEST_KERNEL:
-               he->stat.period_guest_sys += period;
+               he_stat->period_guest_sys += period;
                break;
        case PERF_RECORD_MISC_GUEST_USER:
-               he->stat.period_guest_us += period;
+               he_stat->period_guest_us += period;
                break;
        default:
                break;
@@ -222,10 +222,10 @@ static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src)
        dest->weight            += src->weight;
 }
 
-static void hist_entry__decay(struct hist_entry *he)
+static void he_stat__decay(struct he_stat *he_stat)
 {
-       he->stat.period = (he->stat.period * 7) / 8;
-       he->stat.nr_events = (he->stat.nr_events * 7) / 8;
+       he_stat->period = (he_stat->period * 7) / 8;
+       he_stat->nr_events = (he_stat->nr_events * 7) / 8;
        /* XXX need decay for weight too? */
 }
 
@@ -236,7 +236,7 @@ static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
        if (prev_period == 0)
                return true;
 
-       hist_entry__decay(he);
+       he_stat__decay(&he->stat);
 
        if (!he->filtered)
                hists->stats.total_period -= prev_period - he->stat.period;
@@ -402,7 +402,7 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
        rb_link_node(&he->rb_node_in, parent, p);
        rb_insert_color(&he->rb_node_in, hists->entries_in);
 out:
-       hist_entry__add_cpumode_period(he, al->cpumode, period);
+       he_stat__add_cpumode_period(&he->stat, al->cpumode, period);
        return he;
 }