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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 203CDC433E1 for ; Sat, 20 Jun 2020 03:48:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF8122339E for ; Sat, 20 Jun 2020 03:48:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592624893; bh=3NEk384KI9ArIRysoQCJRBP7aWUcmSOT9MIIF4rep4E=; h=From:To:Cc:Subject:Date:List-ID:From; b=Ap8FrhKSQpnniE/n9QFiesLpT7pe8pl8JgEqKFIGuTszuGQg5msme/WtJqoBgkf/M iCe6VPPcpg0kRyGJ00KaQcnzArDHBSDEEoXkIsn2j5Gxt5P293hQSDwpL4X8EXYFke uY5+8Ckbho0Vq1S8OmBxifXqBMvuItfQsIUzso8E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725847AbgFTDpt (ORCPT ); Fri, 19 Jun 2020 23:45:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:35502 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725778AbgFTDpt (ORCPT ); Fri, 19 Jun 2020 23:45:49 -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 D175C208DB; Sat, 20 Jun 2020 03:45:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592624749; bh=3NEk384KI9ArIRysoQCJRBP7aWUcmSOT9MIIF4rep4E=; h=From:To:Cc:Subject:Date:From; b=mNfovY4bN8XiNNaYZ3QSuDV8FPfwFJKROWU6dU8kA0Yeol5v/bVii2fVChNIVKivK Qv5xiivifP9ZRVdDM4QesXsosHjys98XWqGTPFmBKRBXy/NcIXYgqN7w/oikipYCqw IBtpRAWCTzYzAdA15Bl+UpcAGHL2SpR9FYGMUoEU= From: Masami Hiramatsu To: Steven Rostedt Cc: LKML , Tom Zanussi Subject: [PATCH 0/2] tracing: Fix config dependency and trigger parser Date: Sat, 20 Jun 2020 12:45:44 +0900 Message-Id: <159262474473.185015.177609153974879988.stgit@devnote2> X-Mailer: git-send-email 2.25.1 User-Agent: StGit/0.19 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 Hi, These are some fixes which I found recentry on ftrace. - Since the boot-time tracing synthetic event feature is decoupled from trigger recenty, it should use CONFIG_SYNTH_EVENT. - The parser of event trigger seems rejecting some redundant spaces. But it is hard users to find the wrong point. Such spaces should be accepted. BTW, I also found the trigger parser accepts some inputs which may not correctly formatted, e.g. # echo "traceon 1" > events/ftrace/print/trigger (from the document, it must be "traceon:1") But I think this does not decrease the usability. Thank you, --- Masami Hiramatsu (2): tracing/boot: Fix config dependency for synthedic event tracing: Fix event trigger to accept redundant spaces kernel/trace/trace_boot.c | 2 +- kernel/trace/trace_events_trigger.c | 21 +++++++++++++++++++-- 2 files changed, 20 insertions(+), 3 deletions(-) -- Masami Hiramatsu (Linaro)