[tip:perf/urgent] perf stat: Provide support for filters

[tip-bot for Frederic Weisbecker <fweisbec@gmail.com>]

Commit-ID:  cfd748ae066e776d45bdce550b47cd00c67d55de
Gitweb:     http://git.kernel.org/tip/cfd748ae066e776d45bdce550b47cd00c67d55de
Author:     Frederic Weisbecker <fweisbec@gmail.com>
AuthorDate: Mon, 14 Mar 2011 16:40:30 +0100
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 14 Mar 2011 13:37:52 -0300

perf stat: Provide support for filters

Now the --filter option is usable with perf stat too.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <1300117230-8404-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-stat.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 21c0252..e2109f9 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -333,6 +333,12 @@ static int run_perf_stat(int argc __used, const char **argv)
 		}
 	}
 
+	if (perf_evlist__set_filters(evsel_list)) {
+		error("failed to set filter with %d (%s)\n", errno,
+			strerror(errno));
+		return -1;
+	}
+
 	/*
 	 * Enable counters and exec the command:
 	 */
@@ -634,6 +640,8 @@ static const struct option options[] = {
 	OPT_CALLBACK('e', "event", &evsel_list, "event",
 		     "event selector. use 'perf list' to list available events",
 		     parse_events),
+	OPT_CALLBACK(0, "filter", &evsel_list, "filter",
+		     "event filter", parse_filter),
 	OPT_BOOLEAN('i', "no-inherit", &no_inherit,
 		    "child tasks do not inherit counters"),
 	OPT_INTEGER('p', "pid", &target_pid,