Re: [PATCH] event: fix TP_printk() argument in sched_switch

David Ahern
2011-11-03T14:01:04Z

On 11/03/2011 06:57 AM, Andrew Vagin wrote:
>
>> NACK!
>>
>> This is a perf userspace bug, not a kernel one. Please fix the userspace
>> tool instead.
>>
>> Note, the new version of libparsevent handles this case without issue.
>> Perf just needs to be updated.
> I don't understand. I've got
> git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git
> and it reports the same error. Where am I wrong?

Have you installed the plugins?

David

>
> # ./trace-cmd report 2> log
>
> <idle>-0 [001] 1516333.292126: sched_switch: [FAILED TO
> PARSE] prev_comm=kworker/0:0 prev_pid=0 prev_prio=120 prev_state=0x0
> next_comm=trace-cmd next_pid=2900 next_prio=120
>
> # cat log
> trace-cmd: No such file or directory
> Error: expected type 5 but read 4
> Error: expected type 4 but read 0
> failed to read event print fmt for sched_switch
> trace-cmd: Received SIGINT
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