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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 D1423C7618A for ; Mon, 15 Jul 2019 05:11:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A30C8214C6 for ; Mon, 15 Jul 2019 05:11:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563167487; bh=tq7t2HGEh/5xz3Vv+7Q6X85Px7vM1Az48gsu3R+AUXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=j5DvAcjI5Bi0kh5v2rjjBze3naPzsVrl3m3b8etW2rFAKzVwtsRFuxXKhEuWsjTwi yQq0WIs9gdoFr9Z8j4I9Hi/KmQfre+MPt+RRv3V388+qSZ4GgZPDzFivpYbkKmrmiE qhbWA/0hUSW0T+Qa5/4AtgOyRfAkeVjL8zAez0RE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729058AbfGOFL0 (ORCPT ); Mon, 15 Jul 2019 01:11:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:46250 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725385AbfGOFL0 (ORCPT ); Mon, 15 Jul 2019 01:11:26 -0400 Received: from localhost.localdomain (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B317620C01; Mon, 15 Jul 2019 05:11:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563167484; bh=tq7t2HGEh/5xz3Vv+7Q6X85Px7vM1Az48gsu3R+AUXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DMqpSKbSdMAE/1LUctbCAutA5aFLyof5c7cx2Gzw7HrhHVj7zEebZIHck6H44OJF8 KftLkwfUhf8qmpfWpxCYTi4VzyCV1G1aHgwsGTR053d5JFhKYY5TY5QwOI5xd2bYm4 1S/+Rmg91tOCpN7DPJtxUUpiTHFccBd0v537IZc0= From: Masami Hiramatsu To: Steven Rostedt , Rob Herring , Frank Rowand , Tim Bird Cc: Ingo Molnar , Namhyung Kim , Jiri Olsa , Arnaldo Carvalho de Melo , Tom Zanussi , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [RFC PATCH v2 01/15] tracing: Apply soft-disabled and filter to tracepoints printk Date: Mon, 15 Jul 2019 14:11:20 +0900 Message-Id: <156316748016.23477.14627660706531947592.stgit@devnote2> X-Mailer: git-send-email 2.20.1 In-Reply-To: <156316746861.23477.5815110570539190650.stgit@devnote2> References: <156316746861.23477.5815110570539190650.stgit@devnote2> User-Agent: StGit/0.17.1-dirty 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 Apply soft-disabled and the filter rule of the trace events to the printk output of tracepoints (a.k.a. tp_printk kernel parameter) as same as trace buffer output. Signed-off-by: Masami Hiramatsu --- kernel/trace/trace.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 6b62e1718548..047f37816bf1 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2502,6 +2502,7 @@ static DEFINE_MUTEX(tracepoint_printk_mutex); static void output_printk(struct trace_event_buffer *fbuffer) { struct trace_event_call *event_call; + struct trace_event_file *file; struct trace_event *event; unsigned long flags; struct trace_iterator *iter = tracepoint_print_iter; @@ -2515,6 +2516,12 @@ static void output_printk(struct trace_event_buffer *fbuffer) !event_call->event.funcs->trace) return; + file = fbuffer->trace_file; + if (test_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &file->flags) || + (unlikely(file->flags & EVENT_FILE_FL_FILTERED) && + !filter_match_preds(file->filter, fbuffer->entry))) + return; + event = &fbuffer->trace_file->event_call->event; spin_lock_irqsave(&tracepoint_iter_lock, flags);