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    SubjectRe: [PATCH 3/6] perf: Add timestamp to COMM and MMAP events
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    On Mon, 2010-11-29 at 17:06 +1100, Ian Munsie wrote:
    >
    >
    > This goes away if PERF_SAMPLE_CPU is added to the mix so that the
    > timestamps are offset from the first event of *their* CPU, otherwise
    > time-epoch can go negative, as it has done here.

    How does that happen, I though the power7 sched_clock() was fully
    synchronized and monotonic across all cores?


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