Re: [rfc 1/3] perf, x86: P4 PMU - describe config format

Cyrill Gorcunov
2010-11-26T13:47:52Z

On Fri, Nov 26, 2010 at 4:06 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Fri, 2010-11-26 at 16:04 +0300, Cyrill Gorcunov wrote:
>> if none therad is active, single any
>> thread is active, both threads are active and finally any thread is
>> active (which is exactly 0b11 in single thread machine). i know it's
>> weird ;)
>>
> BTW, does P4 mandate SYS_CAP_ADMIN for counting another thread's events?
>
The events which are shared across threads mandated to have
SYS_CAP_ADMIN of course.