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

Andrew Vagin
2011-11-03T12:57:17Z

> 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?

# ./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