From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 04/11] tools lib traceevent: Change tag string for error Date: Thu, 2 May 2019 20:25:26 -0400 Message-ID: <20190503002533.29359-5-acme@kernel.org> References: <20190503002533.29359-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190503002533.29359-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Leo Yan , Steven Rostedt , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Leo Yan The traceevent lib is used by the perf tool, and when executing perf test -v 6 it outputs error log on the ARM64 platform: running test 33 '*:*'trace-cmd: No such file or directory [...] trace-cmd: Invalid argument The trace event parsing code originally came from trace-cmd so it keeps the tag string "trace-cmd" for errors, this easily introduces the impression that the perf tool launches trace-cmd command for trace event parsing, but in fact the related parsing is accomplished by the traceevent lib. This patch changes the tag string to "libtraceevent" so that we can avoid confusion and let users to more easily connect the error with traceevent lib. Signed-off-by: Leo Yan Acked-by: Steven Rostedt (VMware) Link: http://lkml.kernel.org/r/20190424013802.27569-1-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/traceevent/parse-utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/traceevent/parse-utils.c b/tools/lib/traceevent/parse-utils.c index 77e4ec6402dd..e99867111387 100644 --- a/tools/lib/traceevent/parse-utils.c +++ b/tools/lib/traceevent/parse-utils.c @@ -14,7 +14,7 @@ void __vwarning(const char *fmt, va_list ap) { if (errno) - perror("trace-cmd"); + perror("libtraceevent"); errno = 0; fprintf(stderr, " "); -- 2.20.1