From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752174AbdCEQkT (ORCPT ); Sun, 5 Mar 2017 11:40:19 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42538 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751383AbdCEQkQ (ORCPT ); Sun, 5 Mar 2017 11:40:16 -0500 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: David Ahern , Namhyung Kim , Peter Zijlstra , lkml , Ingo Molnar , Jiri Hladky Subject: [PATCH] perf bench numa: Add more comment for -c option Date: Sun, 5 Mar 2017 17:40:11 +0100 Message-Id: <1488732011-27384-1-git-send-email-jolsa@kernel.org> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sun, 05 Mar 2017 16:40:16 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding more commentary for -c/--show_convergence option, to explain how the convergence is defined. Before: -c, --show_convergence show convergence details Now: -c, --show_convergence show convergence details, convergence is reached \ when each process (all its threads) are running on the single NUMA node Suggested--by: Jiri Hladky Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-jt15298zr1ajgonuvt8c88z1@git.kernel.org --- tools/perf/bench/numa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c index 3083fc36282b..18b855ae5df6 100644 --- a/tools/perf/bench/numa.c +++ b/tools/perf/bench/numa.c @@ -187,7 +187,8 @@ static const struct option options[] = { OPT_INCR ('d', "show_details" , &p0.show_details, "Show details"), OPT_INCR ('a', "all" , &p0.run_all, "Run all tests in the suite"), OPT_INTEGER('H', "thp" , &p0.thp, "MADV_NOHUGEPAGE < 0 < MADV_HUGEPAGE"), - OPT_BOOLEAN('c', "show_convergence", &p0.show_convergence, "show convergence details"), + OPT_BOOLEAN('c', "show_convergence", &p0.show_convergence, "show convergence details, " + "convergence is reached when each process (all its threads) are running on the single NUMA node"), OPT_BOOLEAN('m', "measure_convergence", &p0.measure_convergence, "measure convergence latency"), OPT_BOOLEAN('q', "quiet" , &p0.show_quiet, "quiet mode"), OPT_BOOLEAN('S', "serialize-startup", &p0.serialize_startup,"serialize thread startup"), -- 2.7.4