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[PATCH 1/1] perf,tools: open event on evsel cpus and threads

From kan.liang@intel.com
Newsgroups linux.kernel
Subject [PATCH 1/1] perf,tools: open event on evsel cpus and threads
Date 2015-08-21 15:40 +0200
Message-ID <pZUI3-548-49@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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From: Kan Liang <kan.liang@intel.com>

evsel may have different cpus and threads as evlist's.
Use it's own cpus and threads, when open evsel in perf record.

Signed-off-by: Kan Liang <kan.liang@intel.com>
---
 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

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[PATCH 1/1] perf,tools: open event on evsel cpus and threads kan.liang@intel.com - 2015-08-21 15:40 +0200
  Re: [PATCH 1/1] perf,tools: open event on evsel cpus and threads Jiri Olsa <jolsa@redhat.com> - 2015-08-21 16:00 +0200
    Re: [PATCH 1/1] perf,tools: open event on evsel cpus and threads Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-31 22:40 +0200
      RE: [PATCH 1/1] perf,tools: open event on evsel cpus and threads "Liang, Kan" <kan.liang@intel.com> - 2015-08-31 23:10 +0200
        Re: [PATCH 1/1] perf,tools: open event on evsel cpus and threads Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-31 23:20 +0200
          RE: [PATCH 1/1] perf,tools: open event on evsel cpus and threads "Liang, Kan" <kan.liang@intel.com> - 2015-08-31 23:30 +0200
            Re: [PATCH 1/1] perf,tools: open event on evsel cpus and threads Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-31 23:40 +0200
  [tip:perf/urgent] perf evlist:   Open event on evsel cpus and threads tip-bot for Kan Liang <tipbot@zytor.com> - 2015-09-01 10:40 +0200
    Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Adrian Hunter <adrian.hunter@intel.com> - 2015-09-03 15:40 +0200
      Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Arnaldo Carvalho de Melo <acme@redhat.com> - 2015-09-03 17:30 +0200
        Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Adrian Hunter <adrian.hunter@intel.com> - 2015-09-03 18:30 +0200
          Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Arnaldo Carvalho de Melo <acme@redhat.com> - 2015-09-03 18:50 +0200
            Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Jiri Olsa <jolsa@redhat.com> - 2015-09-03 20:20 +0200
              Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Adrian Hunter <adrian.hunter@intel.com> - 2015-09-03 20:40 +0200
                Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Jiri Olsa <jolsa@redhat.com> - 2015-09-03 21:10 +0200
              Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Arnaldo Carvalho de Melo <acme@redhat.com> - 2015-09-03 22:50 +0200
                Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Jiri Olsa <jolsa@redhat.com> - 2015-09-04 09:10 +0200
                Re: [tip:perf/urgent] perf evlist: Open event on evsel cpus and  threads Adrian Hunter <adrian.hunter@intel.com> - 2015-09-04 09:20 +0200
                [PATCH] perf tools: Fix gaps propagating maps Adrian Hunter <adrian.hunter@intel.com> - 2015-09-04 14:20 +0200
                Re: [PATCH] perf tools: Fix gaps propagating maps Arnaldo Carvalho de Melo <acme@redhat.com> - 2015-09-04 15:30 +0200
                Re: [PATCH] perf tools: Fix gaps propagating maps Adrian Hunter <adrian.hunter@intel.com> - 2015-09-04 15:50 +0200
                Re: [PATCH] perf tools: Fix gaps propagating maps Arnaldo Carvalho de Melo <acme@redhat.com> - 2015-09-04 16:50 +0200

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