From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933091AbbHJU6R (ORCPT ); Mon, 10 Aug 2015 16:58:17 -0400 Received: from casper.infradead.org ([85.118.1.10]:40246 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932951AbbHJU6J (ORCPT ); Mon, 10 Aug 2015 16:58:09 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Jiri Olsa , Jiri Olsa , Andi Kleen , Kan Liang , Namhyung Kim , Arnaldo Carvalho de Melo Subject: [PATCH 4/9] perf tools: Unset perf_event_attr::freq when period term is set Date: Mon, 10 Aug 2015 17:56:28 -0300 Message-Id: <1439240193-31520-5-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1439240193-31520-1-git-send-email-acme@kernel.org> References: <1439240193-31520-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa We need to unset 'perf_event_attr::freq' bit (default 1) when 'period' term is specified within event definition like: -e 'cpu/cpu-cycles,call-graph=fp,time,period=100000' otherwise it will handle the period value as frequency (and fail if it crossed the maximum allowed frequency value). Signed-off-by: Jiri Olsa Cc: Andi Kleen Cc: Kan Liang Cc: Namhyung Kim Link: http://lkml.kernel.org/r/20150808171210.GC17040@krava.brq.redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evsel.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index f572f469a30d..a59710f88d8a 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -598,6 +598,7 @@ static void apply_config_terms(struct perf_evsel *evsel) switch (term->type) { case PERF_EVSEL__CONFIG_TERM_PERIOD: attr->sample_period = term->val.period; + attr->freq = 0; break; case PERF_EVSEL__CONFIG_TERM_TIME: if (term->val.time) -- 2.1.0