Re: [PATCH] perf tools: report PERF_FLAG_FD_CLOEXEC probing error once

[Jiri Olsa]

On Sat, Aug 02, 2014 at 08:13:22PM +0200, Yann Droneaud wrote:
> In case of failure, unrelated to PERF_FLAG_FD_CLOEXEC,
> perf_flag_probe() reports the error twice. For example:
> 
>   $ perf record ls
>   Error:
>   perf_event_open(..., PERF_FLAG_FD_CLOEXEC) failed with unexpected error 16 (Device or resource busy)
>   perf_event_open(..., 0) failed unexpectedly with error 16 (Device or resource busy)

seems ok,
but since your patch is not based on my other patch,
please provide the changelog perf out without it

---
>   The PMU counters are busy/taken by another profiler.
>   We found oprofile daemon running, please stop it and try again.
---

also, please provide both before and after outputs
I'll queue it up with those other 2 patches

thanks,
jirka
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