Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932363Ab0BCJQH (ORCPT ); Wed, 3 Feb 2010 04:16:07 -0500 Received: from mail-bw0-f219.google.com ([209.85.218.219]:57321 "EHLO mail-bw0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756712Ab0BCJOt (ORCPT ); Wed, 3 Feb 2010 04:14:49 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=N/jKgdsVrg9dMxCyhMEkPRpr0dnZ4zKsUm2dEnNSAnfEcvt43bWAdUuFaKHIzJ2K/q C9QUbJaTpjKNh1AjQoUokSP2ApdbaPD45tkc/dOOLM955dPmXqEdje3pK2aLyI7aRVCv 0AWQwi8ayH6LHwcLR4Li32MOBsGmALRtaHhow= From: Frederic Weisbecker To: Ingo Molnar Cc: LKML , Frederic Weisbecker , Peter Zijlstra , Arnaldo Carvalho de Melo , Steven Rostedt , Paul Mackerras , Hitoshi Mitake , Li Zefan , Lai Jiangshan , Masami Hiramatsu , Jens Axboe Subject: [PATCH 07/11] perf: Handle injection iotcl for tracepoints from perf record Date: Wed, 3 Feb 2010 10:14:31 +0100 Message-Id: <1265188475-23509-8-git-send-regression-fweisbec@gmail.com> X-Mailer: git-send-email 1.6.2.3 In-Reply-To: <1265188475-23509-1-git-send-regression-fweisbec@gmail.com> References: <1265188475-23509-1-git-send-regression-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1508 Lines: 45 Call the injection iotcl request for tracepoint events, in case some of them support it. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Steven Rostedt Cc: Paul Mackerras Cc: Hitoshi Mitake Cc: Li Zefan Cc: Lai Jiangshan Cc: Masami Hiramatsu Cc: Jens Axboe --- tools/perf/builtin-record.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index eea5691..da42519 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -386,6 +386,15 @@ try_again: } ioctl(fd[nr_cpu][counter], PERF_EVENT_IOC_ENABLE); + + /* + * If a tracepoint has some events he wants us to catchup + * let's inject them. We may have such injectable event + * in several cpus, we want only one injection, so pick the + * first cpu + */ + if (attr->type == PERF_TYPE_TRACEPOINT && !nr_cpu) + ioctl(fd[nr_cpu][counter], PERF_EVENT_IOC_INJECT); } static void open_counters(int cpu, pid_t pid) -- 1.6.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/