linux-kernel - [tip:perf/core] perf stat: Update or print per-thread stats

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Message-ID: <tip-14e72a21c783654ca7b6c897b6d6508c1abccd7d@git.kernel.org>
Date:   Thu, 28 Dec 2017 07:25:01 -0800
From:   tip-bot for Jin Yao <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org,
        kan.liang@...el.com, jolsa@...nel.org, yao.jin@...ux.intel.com,
        acme@...hat.com, peterz@...radead.org, hpa@...or.com,
        alexander.shishkin@...ux.intel.com, ak@...ux.intel.com,
        tglx@...utronix.de
Subject: [tip:perf/core] perf stat: Update or print per-thread stats

Commit-ID:  14e72a21c783654ca7b6c897b6d6508c1abccd7d
Gitweb:     https://git.kernel.org/tip/14e72a21c783654ca7b6c897b6d6508c1abccd7d
Author:     Jin Yao <yao.jin@...ux.intel.com>
AuthorDate: Tue, 5 Dec 2017 22:03:08 +0800
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 27 Dec 2017 12:15:46 -0300

perf stat: Update or print per-thread stats

If the stats pointer in stat_config structure is not null, it will
update the per-thread stats or print the per-thread stats on this
buffer.

Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Kan Liang <kan.liang@...el.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/1512482591-4646-9-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-stat.c |  9 +++++++--
 tools/perf/util/stat.c    | 11 ++++++++---
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 4c492ac..f4129a5 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1372,8 +1372,13 @@ static void print_aggr_thread(struct perf_evsel *counter, char *prefix)
 			fprintf(output, "%s", prefix);
 
 		uval = val * counter->scale;
-		printout(thread, 0, counter, uval, prefix, run, ena, 1.0,
-			 &rt_stat);
+
+		if (stat_config.stats)
+			printout(thread, 0, counter, uval, prefix, run, ena,
+				 1.0, &stat_config.stats[thread]);
+		else
+			printout(thread, 0, counter, uval, prefix, run, ena,
+				 1.0, &rt_stat);
 		fputc('\n', output);
 	}
 }
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 78abfd4..32235657 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -280,9 +280,14 @@ process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel
 		if (config->aggr_mode == AGGR_NONE)
 			perf_stat__update_shadow_stats(evsel, count->val, cpu,
 						       &rt_stat);
-		if (config->aggr_mode == AGGR_THREAD)
-			perf_stat__update_shadow_stats(evsel, count->val, 0,
-						       &rt_stat);
+		if (config->aggr_mode == AGGR_THREAD) {
+			if (config->stats)
+				perf_stat__update_shadow_stats(evsel,
+					count->val, 0, &config->stats[thread]);
+			else
+				perf_stat__update_shadow_stats(evsel,
+					count->val, 0, &rt_stat);
+		}
 		break;
 	case AGGR_GLOBAL:
 		aggr->val += count->val;