From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751907AbeCVQNH (ORCPT ); Thu, 22 Mar 2018 12:13:07 -0400 Received: from mga09.intel.com ([134.134.136.24]:27517 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751771AbeCVQNG (ORCPT ); Thu, 22 Mar 2018 12:13:06 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,345,1517904000"; d="scan'208";a="27549028" Subject: [PATCH v1 2/3] perf report: extend raw dump (-D) out with switch out event type From: Alexey Budankov To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo Cc: Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-kernel , Andi Kleen References: <713750a0-7cc1-0a27-7253-12ff4f3c9a8d@linux.intel.com> Organization: Intel Corp. Message-ID: <8cdb0aa4-5b99-c692-49c2-c615729afe2b@linux.intel.com> Date: Thu, 22 Mar 2018 19:13:01 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <713750a0-7cc1-0a27-7253-12ff4f3c9a8d@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Print additional 'yield' tag for PERF_RECORD_SWITCH[_CPU_WIDE] OUT records when event header misc field contains PERF_RECORD_MISC_SWITCH_OUT_YIELD bit set designating synchronization context switch out event: perf report -D -i system-wide.perf | grep _SWITCH: 1 113807080924003 0x26db26 [0x28]: PERF_RECORD_SWITCH_CPU_WIDE OUT next pid/tid: 20495/20495 1 113807080925644 0x26db4e [0x28]: PERF_RECORD_SWITCH_CPU_WIDE IN prev pid/tid: 31479/31479 1 113807080937266 0x26db76 [0x28]: PERF_RECORD_SWITCH_CPU_WIDE OUT yield next pid/tid: 16/16 1 113807080938445 0x26db9e [0x28]: PERF_RECORD_SWITCH_CPU_WIDE IN prev pid/tid: 20495/20495 1 113807080945455 0x26dbc6 [0x28]: PERF_RECORD_SWITCH_CPU_WIDE OUT yield next pid/tid: 20495/20495 Signed-off-by: Alexey Budankov --- tools/perf/util/event.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index f0a6cbd033cc..324f44f02e66 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1421,7 +1421,9 @@ size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp) size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp) { bool out = event->header.misc & PERF_RECORD_MISC_SWITCH_OUT; - const char *in_out = out ? "OUT" : "IN "; + const char *in_out = !out ? "IN " : + !(event->header.misc & PERF_RECORD_MISC_SWITCH_OUT_YIELD) ? + "OUT " : "OUT yield"; if (event->header.type == PERF_RECORD_SWITCH) return fprintf(fp, " %s\n", in_out);