lkml.org 
[lkml]   [2010]   [Jun]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [RFC][PATCH 00/11] perf pmu interface -v2
    From
    Date
    On Wed, 2010-06-30 at 10:19 -0700, Corey Ashford wrote:
    > However, there still are concerns relative to writing these control
    > registers from an interrupt handler because of the latency that will be
    > incurred, however slow we choose to do the event rotation. So at least
    > for the Wire-Speed processor, we may need a worker thread of some sort
    > to hand off the work to.

    Right, once we have per-pmu contexts we can look at having means to
    over-ride the means of rotation, such that the pmu can optionally drive
    it itself instead of through the common tick.


    \
     
     \ /
      Last update: 2010-06-30 20:13    [W:0.046 / U:0.096 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site