lkml.org 
[lkml]   [2012]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC] [PATCH 0/5] Teach perf tool to profile sleep times (V4)
    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


    \
     
     \ /
      Last update: 2012-06-04 19:42    [W:0.030 / U:31.192 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site