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perf annotate: Add PERCENT_HITS_GLOBAL percent value

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Adding and computing global hits percent value for annotation line.
Storing it in struct annotation_data percent array under new
PERCENT_HITS_GLOBAL index.

At the moment it's not displayed, it's coming in following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20180804130521.11408-10-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2018-08-04 15:05:10 +02:00 committed by Arnaldo Carvalho de Melo
parent 6d9f0c2d5e
commit 75a8c1ff28
2 changed files with 8 additions and 1 deletions
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8
tools/perf/util/annotate.c
View file

@ -1759,6 +1759,7 @@ static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
}
static void calc_percent(struct sym_hist *sym_hist,
struct hists *hists,
struct annotation_data *data,
s64 offset, s64 end)
{
@ -1776,6 +1777,10 @@ static void calc_percent(struct sym_hist *sym_hist,
data->he.nr_samples = hits;
data->percent[PERCENT_HITS_LOCAL] = 100.0 * hits / sym_hist->nr_samples;
}
if (hists->stats.nr_non_filtered_samples)
data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples;
}
static void annotation__calc_percent(struct annotation *notes,
@ -1795,6 +1800,7 @@ static void annotation__calc_percent(struct annotation *notes,
end = next ? next->offset : len;
for_each_group_evsel(evsel, leader) {
struct hists *hists = evsel__hists(evsel);
struct annotation_data *data;
struct sym_hist *sym_hist;
@ -1803,7 +1809,7 @@ static void annotation__calc_percent(struct annotation *notes,
sym_hist = annotation__histogram(notes, evsel->idx);
data = &al->data[i++];
calc_percent(sym_hist, data, al->offset, end);
calc_percent(sym_hist, hists, data, al->offset, end);
}
}
}

1
tools/perf/util/annotate.h
View file

@ -103,6 +103,7 @@ struct sym_hist_entry {
enum {
PERCENT_HITS_LOCAL,
PERCENT_HITS_GLOBAL,
PERCENT_MAX,
};