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authorArnaldo Carvalho de Melo <acme@redhat.com>2014-10-09 13:13:41 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-10-09 13:13:41 -0300
commit4ea062ed431d00153af0ac370cb6fef0620e5fa1 (patch)
treec4e7ad89b37d57751802524212291d1a8a89b7e3 /tools/perf/builtin-diff.c
parent49c23f2d541ebf7ae5e9fff03301f4e7145cc979 (diff)
downloadlinux-4ea062ed431d00153af0ac370cb6fef0620e5fa1.tar.gz
perf evsel: Add hists helper
Not all tools need a hists instance per perf_evsel, so lets pave the way to remove evsel->hists while leaving a way to access the hists from a specially allocated evsel, one that comes with space at the end where lives the evsel. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-qlktkhe31w4mgtbd84035sr2@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-diff.c')
-rw-r--r--tools/perf/builtin-diff.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index a3ce19f7aebd..8c5c11ca8c53 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -327,6 +327,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
struct machine *machine)
{
struct addr_location al;
+ struct hists *hists = evsel__hists(evsel);
if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
pr_warning("problem processing %d event, skipping it.\n",
@@ -334,7 +335,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
return -1;
}
- if (hists__add_entry(&evsel->hists, &al, sample->period,
+ if (hists__add_entry(hists, &al, sample->period,
sample->weight, sample->transaction)) {
pr_warning("problem incrementing symbol period, skipping event\n");
return -1;
@@ -346,9 +347,9 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
* hists__output_resort() and precompute needs the total
* period in order to sort entries by percentage delta.
*/
- evsel->hists.stats.total_period += sample->period;
+ hists->stats.total_period += sample->period;
if (!al.filtered)
- evsel->hists.stats.total_non_filtered_period += sample->period;
+ hists->stats.total_non_filtered_period += sample->period;
return 0;
}
@@ -382,7 +383,7 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist)
struct perf_evsel *evsel;
evlist__for_each(evlist, evsel) {
- struct hists *hists = &evsel->hists;
+ struct hists *hists = evsel__hists(evsel);
hists__collapse_resort(hists, NULL);
}
@@ -631,24 +632,26 @@ static void data_process(void)
bool first = true;
evlist__for_each(evlist_base, evsel_base) {
+ struct hists *hists_base = evsel__hists(evsel_base);
struct data__file *d;
int i;
data__for_each_file_new(i, d) {
struct perf_evlist *evlist = d->session->evlist;
struct perf_evsel *evsel;
+ struct hists *hists;
evsel = evsel_match(evsel_base, evlist);
if (!evsel)
continue;
- d->hists = &evsel->hists;
+ hists = evsel__hists(evsel);
+ d->hists = hists;
- hists__match(&evsel_base->hists, &evsel->hists);
+ hists__match(hists_base, hists);
if (!show_baseline_only)
- hists__link(&evsel_base->hists,
- &evsel->hists);
+ hists__link(hists_base, hists);
}
fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
@@ -659,7 +662,7 @@ static void data_process(void)
if (verbose || data__files_cnt > 2)
data__fprintf();
- hists__process(&evsel_base->hists);
+ hists__process(hists_base);
}
}