Messages in this thread | | | Date | Mon, 4 Jun 2012 10:03:10 -0700 | From | Arun Sharma <> | Subject | Re: [RFC] [PATCH 0/5] Teach perf tool to profile sleep times (V4) |
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On 6/4/12 1:09 AM, Andrew Vagin wrote: > > * "sched/tracing: Add a new tracepoint for sleeptime" by Arun Sharma > It has been committed, but then reverted due to performance reason.
Correctness actually. The first sample could potentially be bogus and needs to be discarded in userspace. Hasn't been a problem in practice for us.
-Arun
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