Re: [PATCH 2/3] perf stat: Don't require a workload when using systemwide or CPU options

[David Ahern]

On 10/8/13 7:33 AM, Arnaldo Carvalho de Melo wrote:
> [acme@zoo linux]$ perf stat non-existent-proggie
> non-existent-proggie: No such file or directory

ok. so this is a different error. need to detect the workload does not 
exist.

> Why should we report all those counters for something that wasn't found
> in PATH?
>
> We either report just the first line, with the errno, or that and the
> last, with how long it took to try to execute it, but that probably
> shouldn't be printed, as it is supposed to be how long the workload ran,
> right?

Right. need to feed/detect the exec failure back to the parent.

David
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