From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936491AbdCXPqP (ORCPT ); Fri, 24 Mar 2017 11:46:15 -0400 Received: from merlin.infradead.org ([205.233.59.134]:58392 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936453AbdCXPoO (ORCPT ); Fri, 24 Mar 2017 11:44:14 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Andi Kleen , Arnaldo Carvalho de Melo Subject: [PATCH 13/20] perf pmu: Special case uncore_ prefix Date: Fri, 24 Mar 2017 11:57:24 -0300 Message-Id: <20170324145731.29350-14-acme@kernel.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170324145731.29350-1-acme@kernel.org> References: <20170324145731.29350-1-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.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: Andi Kleen Special case uncore_ prefix in PMU match, to allow for shorter event uncore specifications. Before: perf stat -a -e uncore_cbox/event=0x35,umask=0x1,filter_opc=0x19C/ sleep 1 After perf stat -a -e cbox/event=0x35,umask=0x1,filter_opc=0x19C/ sleep 1 Committer tests: # perf list uncore List of pre-defined events (to be used in -e): uncore_cbox_0/clockticks/ [Kernel PMU event] uncore_cbox_1/clockticks/ [Kernel PMU event] uncore_imc/data_reads/ [Kernel PMU event] uncore_imc/data_writes/ [Kernel PMU event] # perf stat -a -e cbox_0/clockticks/ sleep 1 Performance counter stats for 'system wide': 281,474,976,653,084 cbox_0/clockticks/ 1.000870129 seconds time elapsed # Signed-off-by: Andi Kleen Acked-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Link: http://lkml.kernel.org/r/20170320201711.14142-7-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/parse-events.y | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 20935b17753d..04fd8c9af9f9 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -239,6 +239,9 @@ PE_NAME opt_event_config while ((pmu = perf_pmu__scan(pmu)) != NULL) { char *name = pmu->name; + if (!strncmp(name, "uncore_", 7) && + strncmp($1, "uncore_", 7)) + name += 7; if (!strncmp($1, name, strlen($1))) { if (parse_events_copy_term_list(orig_terms, &terms)) YYABORT; -- 2.9.3