Messages in this thread | | | Date | Fri, 26 Nov 2010 16:47:50 +0300 | Subject | Re: [rfc 1/3] perf, x86: P4 PMU - describe config format | From | Cyrill Gorcunov <> |
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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.
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