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SubjectRe: [PATCH] perf, record: Add clockid parameter
On Mon, Mar 30, 2015 at 11:24:12AM -0600, David Ahern wrote:
> This works but the result is not always intuitive as to why it failed.
>
> On a kernel that does not support the clock id you get:
> $ perf sched record -k mono -- sleep 1
> Error:
> clockid not supported.
>
> And on a kernel that supports clockid but not for NMI:
>
> $ perf record -k realtime -a -- sleep 1
> Error:
> clockid not supported.
>
> --> H/W counters so realtime is not allowed
>
> Same message though different root causes.

Heh, ok I can fudge that :-)


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