Re: [PATCH 1/2] perf tools: Add reference timestamp to perf header

From: Peter Zijlstra
Date: Mon Dec 13 2010 - 12:47:47 EST


On Mon, 2010-12-13 at 18:35 +0100, Peter Zijlstra wrote:
> * this CLOCK_MONOTONIC offset (for what little good that does, since
> our clock isn't strictly sync'ed to CLOCK_MONOTONIC so we can incur
> arbitrary drift).

In fact, the only sane way to do that is by creating a software counter
that represents CLOCK_MONOTONIC and sample that say once a minute (or
more often if you want smaller drift).


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