Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934789Ab2JYIH7 (ORCPT ); Thu, 25 Oct 2012 04:07:59 -0400 Received: from terminus.zytor.com ([198.137.202.10]:38467 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934104Ab2JYIHz (ORCPT ); Thu, 25 Oct 2012 04:07:55 -0400 Date: Thu, 25 Oct 2012 01:07:29 -0700 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: linux-kernel@vger.kernel.org, eranian@google.com, paulus@samba.org, acme@redhat.com, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, efault@gmx.de, namhyung@gmail.com, jolsa@redhat.com, fweisbec@gmail.com, rostedt@goodmis.org, dsahern@gmail.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, acme@redhat.com, paulus@samba.org, eranian@google.com, linux-kernel@vger.kernel.org, efault@gmx.de, peterz@infradead.org, namhyung@gmail.com, jolsa@redhat.com, fweisbec@gmail.com, rostedt@goodmis.org, dsahern@gmail.com, tglx@linutronix.de To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf trace: Print the name of a syscall when failing to read its info Git-Commit-ID: 814d7a4d2c33657489f7b45bc0b2dcaa0d88edc0 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 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Thu, 25 Oct 2012 01:07:35 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2219 Lines: 55 Commit-ID: 814d7a4d2c33657489f7b45bc0b2dcaa0d88edc0 Gitweb: http://git.kernel.org/tip/814d7a4d2c33657489f7b45bc0b2dcaa0d88edc0 Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 24 Oct 2012 18:44:13 -0200 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 24 Oct 2012 18:44:13 -0200 perf trace: Print the name of a syscall when failing to read its info When failing to read the tracepoint event format, like currently with sys_execve, that is not defined via SYSCALL_DEFINE macros and thus doesn't have an entry in: $ ls -d /sys/kernel/debug/tracing/events/syscalls/sys_enter_*exec* /sys/kernel/debug/tracing/events/syscalls/sys_enter_kexec_load $ Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Steven Rostedt Cc: Thomas Gleixner echo Link: http://lkml.kernel.org/n/tip-`ranpwd -l 24`@git.kernel.org Link: http://lkml.kernel.org/n/tip-q3ak0j8b81yxylykq5wp2uwi@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index fb83cfe..ba05510 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -278,7 +278,10 @@ static struct syscall *trace__syscall_info(struct trace *trace, return &trace->syscalls.table[id]; out_cant_read: - printf("Problems reading syscall %d information\n", id); + printf("Problems reading syscall %d", id); + if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) + printf("(%s)", trace->syscalls.table[id].name); + puts(" information"); return NULL; } -- 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/