From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755045AbaGNKLg (ORCPT ); Mon, 14 Jul 2014 06:11:36 -0400 Received: from mga11.intel.com ([192.55.52.93]:42021 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752252AbaGNKFz (ORCPT ); Mon, 14 Jul 2014 06:05:55 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,657,1400050800"; d="scan'208";a="561434741" From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, David Ahern , Frederic Weisbecker , Jiri Olsa , Namhyung Kim , Paul Mackerras , Stephane Eranian Subject: [PATCH 33/41] perf evsel: Add 'immediate' option Date: Mon, 14 Jul 2014 13:02:57 +0300 Message-Id: <1405332185-4050-34-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1405332185-4050-1-git-send-email-adrian.hunter@intel.com> References: <1405332185-4050-1-git-send-email-adrian.hunter@intel.com> 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 Add an option to cause a selected event to be enabled immediately when configured by perf_evsel__config(). This is needed when using the sched_switch tracepoint to follow object code execution. By having sched_switch enabled immediately the first sched_switch event precedes the start of other tracing. Signed-off-by: Adrian Hunter --- tools/perf/util/evsel.c | 5 +++++ tools/perf/util/evsel.h | 1 + 2 files changed, 6 insertions(+) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 40626e5..90f58cd 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -681,6 +681,11 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) if (target__none(&opts->target) && perf_evsel__is_group_leader(evsel) && !opts->initial_delay) attr->enable_on_exec = 1; + + if (evsel->immediate) { + attr->disabled = 0; + attr->enable_on_exec = 0; + } } int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 8dfec05..d7f93ce 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -84,6 +84,7 @@ struct perf_evsel { bool supported; bool needs_swap; bool no_aux_samples; + bool immediate; /* parse modifier helper */ int exclude_GH; int nr_members; -- 1.8.3.2