Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753301AbbHUNyj (ORCPT ); Fri, 21 Aug 2015 09:54:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41015 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752502AbbHUNyi (ORCPT ); Fri, 21 Aug 2015 09:54:38 -0400 Date: Fri, 21 Aug 2015 15:54:36 +0200 From: Jiri Olsa To: kan.liang@intel.com Cc: acme@kernel.org, jolsa@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] perf,tools: open event on evsel cpus and threads Message-ID: <20150821135436.GD27650@krava.brq.redhat.com> References: <1440138194-17001-1-git-send-email-kan.liang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1440138194-17001-1-git-send-email-kan.liang@intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1878 Lines: 54 On Fri, Aug 21, 2015 at 02:23:14AM -0400, kan.liang@intel.com wrote: > From: Kan Liang > > evsel may have different cpus and threads as evlist's. > Use it's own cpus and threads, when open evsel in perf record. Acked-by: Jiri Olsa thanks, jirka > > Signed-off-by: Kan Liang > --- > tools/perf/builtin-record.c | 2 +- > tools/perf/util/evlist.c | 4 ++++ > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c > index 25cf6b4..a0178bf 100644 > --- a/tools/perf/builtin-record.c > +++ b/tools/perf/builtin-record.c > @@ -279,7 +279,7 @@ static int record__open(struct record *rec) > > evlist__for_each(evlist, pos) { > try_again: > - if (perf_evsel__open(pos, evlist->cpus, evlist->threads) < 0) { > + if (perf_evsel__open(pos, pos->cpus, pos->threads) < 0) { > if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) { > if (verbose) > ui__warning("%s\n", msg); > diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c > index 373f65b..be6fde9 100644 > --- a/tools/perf/util/evlist.c > +++ b/tools/perf/util/evlist.c > @@ -1179,6 +1179,10 @@ int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **e > if (evsel->filter == NULL) > continue; > > + /* > + * filters only work for tracepoint event, which doesn't have cpu limit. > + * So evlist and evsel should always be same. > + */ > err = perf_evsel__apply_filter(evsel, ncpus, nthreads, evsel->filter); > if (err) { > *err_evsel = evsel; > -- > 1.8.3.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/