* [PATCH] tools lib traceevent: Change tag string for error
@ 2019-04-24 1:38 Leo Yan
2019-04-24 12:08 ` Steven Rostedt
2019-05-03 5:54 ` [tip:perf/urgent] " tip-bot for Leo Yan
0 siblings, 2 replies; 5+ messages in thread
From: Leo Yan @ 2019-04-24 1:38 UTC (permalink / raw)
To: Steven Rostedt (VMware), Arnaldo Carvalho de Melo, linux-kernel; +Cc: Leo Yan
The traceevnt lib is used by perf tool, when execute 'perf test -v 6' it
outputs error log on 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 perf tool launches trace-cmd command for trace event
parsing, but in fact the related parsing is accomplished by traceevent
lib.
This patch changes the tag string to "libtraceevent" so can avoid
confusion and let users to be more easily to connect the error with
traceevent lib.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
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, " ");
--
2.17.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] tools lib traceevent: Change tag string for error
2019-04-24 1:38 [PATCH] tools lib traceevent: Change tag string for error Leo Yan
@ 2019-04-24 12:08 ` Steven Rostedt
2019-04-24 12:44 ` Arnaldo Carvalho de Melo
2019-05-03 5:54 ` [tip:perf/urgent] " tip-bot for Leo Yan
1 sibling, 1 reply; 5+ messages in thread
From: Steven Rostedt @ 2019-04-24 12:08 UTC (permalink / raw)
To: Leo Yan; +Cc: Arnaldo Carvalho de Melo, linux-kernel
On Wed, 24 Apr 2019 09:38:02 +0800
Leo Yan <leo.yan@linaro.org> wrote:
> The traceevnt lib is used by perf tool, when execute 'perf test -v 6' it
> outputs error log on 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 perf tool launches trace-cmd command for trace event
> parsing, but in fact the related parsing is accomplished by traceevent
> lib.
>
> This patch changes the tag string to "libtraceevent" so can avoid
> confusion and let users to be more easily to connect the error with
> traceevent lib.
>
> Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Arnaldo,
Can you pull this into your tree.
-- Steve
> ---
> 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, " ");
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] tools lib traceevent: Change tag string for error
2019-04-24 12:08 ` Steven Rostedt
@ 2019-04-24 12:44 ` Arnaldo Carvalho de Melo
2019-04-24 12:45 ` Leo Yan
0 siblings, 1 reply; 5+ messages in thread
From: Arnaldo Carvalho de Melo @ 2019-04-24 12:44 UTC (permalink / raw)
To: Steven Rostedt; +Cc: Leo Yan, linux-kernel
Em Wed, Apr 24, 2019 at 08:08:29AM -0400, Steven Rostedt escreveu:
> On Wed, 24 Apr 2019 09:38:02 +0800
> Leo Yan <leo.yan@linaro.org> wrote:
>
> > The traceevnt lib is used by perf tool, when execute 'perf test -v 6' it
> > outputs error log on 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 perf tool launches trace-cmd command for trace event
> > parsing, but in fact the related parsing is accomplished by traceevent
> > lib.
> >
> > This patch changes the tag string to "libtraceevent" so can avoid
> > confusion and let users to be more easily to connect the error with
> > traceevent lib.
> >
> > Signed-off-by: Leo Yan <leo.yan@linaro.org>
>
> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
>
> Arnaldo,
>
> Can you pull this into your tree.
Sure, applied.
- Arnaldo
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] tools lib traceevent: Change tag string for error
2019-04-24 12:44 ` Arnaldo Carvalho de Melo
@ 2019-04-24 12:45 ` Leo Yan
0 siblings, 0 replies; 5+ messages in thread
From: Leo Yan @ 2019-04-24 12:45 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo; +Cc: Steven Rostedt, linux-kernel
On Wed, Apr 24, 2019 at 09:44:27AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Apr 24, 2019 at 08:08:29AM -0400, Steven Rostedt escreveu:
> > On Wed, 24 Apr 2019 09:38:02 +0800
> > Leo Yan <leo.yan@linaro.org> wrote:
> >
> > > The traceevnt lib is used by perf tool, when execute 'perf test -v 6' it
> > > outputs error log on 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 perf tool launches trace-cmd command for trace event
> > > parsing, but in fact the related parsing is accomplished by traceevent
> > > lib.
> > >
> > > This patch changes the tag string to "libtraceevent" so can avoid
> > > confusion and let users to be more easily to connect the error with
> > > traceevent lib.
> > >
> > > Signed-off-by: Leo Yan <leo.yan@linaro.org>
> >
> > Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
> >
> > Arnaldo,
> >
> > Can you pull this into your tree.
>
> Sure, applied.
Thanks, Steven and Arnaldo.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [tip:perf/urgent] tools lib traceevent: Change tag string for error
2019-04-24 1:38 [PATCH] tools lib traceevent: Change tag string for error Leo Yan
2019-04-24 12:08 ` Steven Rostedt
@ 2019-05-03 5:54 ` tip-bot for Leo Yan
1 sibling, 0 replies; 5+ messages in thread
From: tip-bot for Leo Yan @ 2019-05-03 5:54 UTC (permalink / raw)
To: linux-tip-commits; +Cc: mingo, rostedt, hpa, tglx, leo.yan, linux-kernel, acme
Commit-ID: 5f05182fab9a29fea6c4ab8113be45adf0c11bf0
Gitweb: https://git.kernel.org/tip/5f05182fab9a29fea6c4ab8113be45adf0c11bf0
Author: Leo Yan <leo.yan@linaro.org>
AuthorDate: Wed, 24 Apr 2019 09:38:02 +0800
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 2 May 2019 16:00:19 -0400
tools lib traceevent: Change tag string for error
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 <leo.yan@linaro.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20190424013802.27569-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
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, " ");
^ permalink raw reply related [flat|nested] 5+ messages in thread
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2019-04-24 1:38 [PATCH] tools lib traceevent: Change tag string for error Leo Yan
2019-04-24 12:08 ` Steven Rostedt
2019-04-24 12:44 ` Arnaldo Carvalho de Melo
2019-04-24 12:45 ` Leo Yan
2019-05-03 5:54 ` [tip:perf/urgent] " tip-bot for Leo Yan
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