From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E9F8C28CC0 for ; Wed, 29 May 2019 13:37:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 580EC2190D for ; Wed, 29 May 2019 13:37:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559137059; bh=G/LcTvsZAXoLdG5rhr5qBME/rfiETDMFENgQFMGSJ6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rw6YZ79OLz9xhm4/qyF8Jj9XPowCYJSUMvACiTALIK/h5uO3x7xjXkMYctOA9i9un VfQTtcdyltHjRiHvQtk74Cjm8iF0R3gP4k//HtcLc5dMax1l5BS2QgIyTX1cnSIn3M C1gxzaZ7phE3lIwMNNAzrXilTew5MzSqVa0v7SLg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727565AbfE2Nhi (ORCPT ); Wed, 29 May 2019 09:37:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:53036 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727171AbfE2Nhg (ORCPT ); Wed, 29 May 2019 09:37:36 -0400 Received: from quaco.ghostprotocols.net (unknown [177.195.211.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7EFD720883; Wed, 29 May 2019 13:37:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559137055; bh=G/LcTvsZAXoLdG5rhr5qBME/rfiETDMFENgQFMGSJ6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WpYsmDeEffDMmO0sd7192SRJayC0X7yOKZ+wEeGzelrnYD2U3fTjXgRyH/HZ+eteP R5PTvD0wI2K017If0uJS++n2XYpb8a89RcPGuhCDKAegd1ymhzo4QCKcjzDhxT19t2 dYuYwuyJFXn8t/YHVCJ//WObgQkxXZwX8kYOINXY= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Christian Brauner , Adrian Hunter , Brendan Gregg , =?UTF-8?q?Luis=20Cl=C3=A1udio=20Gon=C3=A7alves?= Subject: [PATCH 17/41] perf trace beauty clone: Handle CLONE_PIDFD Date: Wed, 29 May 2019 10:35:41 -0300 Message-Id: <20190529133605.21118-18-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190529133605.21118-1-acme@kernel.org> References: <20190529133605.21118-1-acme@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo In addition to the older flags. This will allow something like this to be implemented in 'perf trace" perf trace -e clone/PIDFD in flags/ I.e. ask for strace like tracing, system wide, looking for 'clone' syscalls that have the CLONE_PIDFD bit set in the 'flags' arg. For now we'll just see PIDFD if it is set in the 'flags' arg. Cc: Christian Brauner Cc: Adrian Hunter Cc: Brendan Gregg Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-drq9h7s8gcv8b87064fp6lb0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/trace/beauty/clone.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/trace/beauty/clone.c b/tools/perf/trace/beauty/clone.c index 6eb9a6636171..1a8d3be2030e 100644 --- a/tools/perf/trace/beauty/clone.c +++ b/tools/perf/trace/beauty/clone.c @@ -25,6 +25,7 @@ static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size, P_FLAG(FS); P_FLAG(FILES); P_FLAG(SIGHAND); + P_FLAG(PIDFD); P_FLAG(PTRACE); P_FLAG(VFORK); P_FLAG(PARENT); -- 2.20.1