From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755608AbbGUJqn (ORCPT ); Tue, 21 Jul 2015 05:46:43 -0400 Received: from mga11.intel.com ([192.55.52.93]:44683 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754968AbbGUJql (ORCPT ); Tue, 21 Jul 2015 05:46:41 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,515,1432623600"; d="scan'208";a="766554421" From: Adrian Hunter To: Peter Zijlstra Cc: Andi Kleen , Arnaldo Carvalho de Melo , Ingo Molnar , linux-kernel@vger.kernel.org, Jiri Olsa , Stephane Eranian , mathieu.poirier@linaro.org, Pawel Moll Subject: [PATCH V4 0/5] perf: Add PERF_RECORD_SWITCH to indicate context switches Date: Tue, 21 Jul 2015 12:44:01 +0300 Message-Id: <1437471846-26995-1-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Here is V4 of PERF_RECORD_SWITCH. Changes in V4: perf: Add PERF_RECORD_SWITCH to indicate context switches Use a separate record format PERF_RECORD_SWITCH_CPU_WIDE for the CPU-wide case that includes the next/previous pid/tid perf tools: Add new PERF_RECORD_SWITCH event Amended to handle PERF_RECORD_SWITCH_CPU_WIDE perf record: Add option --switch-events to select PERF_RECORD_SWITCH events Add PERF_RECORD_SWITCH_CPU_WIDE to documentation perf script: Don't assume evsel position of tracking events New patch perf script: Add option --show-switch-events Add PERF_RECORD_SWITCH_CPU_WIDE to documentation Changes in V3: Rename 'perf_event_switch()' parameter 'out' to be 'sched_in' and invert meaning. Changes in V2 (RFC): The event now shows scheduling in and out, and I added next/prev pid/tid for cpu-wide contexts, plus there are some tools patches that apply to Arnaldo's perf/core branch. Adrian Hunter (5): perf: Add PERF_RECORD_SWITCH to indicate context switches perf tools: Add new PERF_RECORD_SWITCH event perf record: Add option --switch-events to select PERF_RECORD_SWITCH events perf script: Don't assume evsel position of tracking events perf script: Add option --show-switch-events include/uapi/linux/perf_event.h | 31 +++++++++- kernel/events/core.c | 103 +++++++++++++++++++++++++++++++ tools/perf/Documentation/perf-record.txt | 4 ++ tools/perf/Documentation/perf-script.txt | 4 ++ tools/perf/builtin-inject.c | 1 + tools/perf/builtin-record.c | 7 +++ tools/perf/builtin-script.c | 41 ++++++++++-- tools/perf/perf.h | 1 + tools/perf/util/event.c | 28 +++++++++ tools/perf/util/event.h | 12 ++++ tools/perf/util/evlist.h | 1 + tools/perf/util/evsel.c | 4 ++ tools/perf/util/machine.c | 11 ++++ tools/perf/util/machine.h | 2 + tools/perf/util/record.c | 10 +++ tools/perf/util/session.c | 20 ++++++ tools/perf/util/tool.h | 1 + 17 files changed, 275 insertions(+), 6 deletions(-) Regards Adrian