From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755865AbcHXJ2o (ORCPT ); Wed, 24 Aug 2016 05:28:44 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44286 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755342AbcHXJ0Z (ORCPT ); Wed, 24 Aug 2016 05:26:25 -0400 Date: Wed, 24 Aug 2016 02:25:48 -0700 From: tip-bot for Masami Hiramatsu Message-ID: Cc: rostedt@goodmis.org, wangnan0@huawei.com, linux-kernel@vger.kernel.org, peterz@infradead.org, acme@redhat.com, hemant@linux.vnet.ibm.com, alexander.shishkin@linux.intel.com, tglx@linutronix.de, hpa@zytor.com, mhiramat@kernel.org, naohiro.aota@hgst.com, mingo@kernel.org Reply-To: rostedt@goodmis.org, wangnan0@huawei.com, linux-kernel@vger.kernel.org, peterz@infradead.org, alexander.shishkin@linux.intel.com, acme@redhat.com, hemant@linux.vnet.ibm.com, tglx@linutronix.de, hpa@zytor.com, mhiramat@kernel.org, mingo@kernel.org, naohiro.aota@hgst.com In-Reply-To: <147151069524.12957.12957179170304055028.stgit@devbox> References: <147151069524.12957.12957179170304055028.stgit@devbox> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] ftrace: probe: Add README entries for k/uprobe-events Git-Commit-ID: 864256255597aad86abcecbe6c53da8852ded15b X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 864256255597aad86abcecbe6c53da8852ded15b Gitweb: http://git.kernel.org/tip/864256255597aad86abcecbe6c53da8852ded15b Author: Masami Hiramatsu AuthorDate: Thu, 18 Aug 2016 17:58:15 +0900 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 23 Aug 2016 15:39:57 -0300 ftrace: probe: Add README entries for k/uprobe-events Add README entries for kprobe-events and uprobe-events. This allows user to check what options can be acceptable for running kernel. E.g. perf tools can choose correct types for the kernel. Signed-off-by: Masami Hiramatsu Acked-by: Steven Rostedt Cc: Alexander Shishkin Cc: Hemant Kumar Cc: Naohiro Aota Cc: Peter Zijlstra Cc: Wang Nan Link: http://lkml.kernel.org/r/147151069524.12957.12957179170304055028.stgit@devbox Signed-off-by: Arnaldo Carvalho de Melo --- kernel/trace/trace.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index dade4c9..1e2ce3b 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4123,6 +4123,30 @@ static const char readme_msg[] = "\t\t\t traces\n" #endif #endif /* CONFIG_STACK_TRACER */ +#ifdef CONFIG_KPROBE_EVENT + " kprobe_events\t\t- Add/remove/show the kernel dynamic events\n" + "\t\t\t Write into this file to define/undefine new trace events.\n" +#endif +#ifdef CONFIG_UPROBE_EVENT + " uprobe_events\t\t- Add/remove/show the userspace dynamic events\n" + "\t\t\t Write into this file to define/undefine new trace events.\n" +#endif +#if defined(CONFIG_KPROBE_EVENT) || defined(CONFIG_UPROBE_EVENT) + "\t accepts: event-definitions (one definition per line)\n" + "\t Format: p|r[:[/]] []\n" + "\t -:[/]\n" +#ifdef CONFIG_KPROBE_EVENT + "\t place: [:][+]|\n" +#endif +#ifdef CONFIG_UPROBE_EVENT + "\t place: :\n" +#endif + "\t args: =fetcharg[:type]\n" + "\t fetcharg: %, @
, @[+|-],\n" + "\t $stack, $stack, $retval, $comm\n" + "\t type: s8/16/32/64, u8/16/32/64, x8/16/32/64, string,\n" + "\t b@/\n" +#endif " events/\t\t- Directory containing all trace event subsystems:\n" " enable\t\t- Write 0/1 to enable/disable tracing of all events\n" " events//\t- Directory containing all trace events for :\n"