lkml.org 
[lkml]   [2009]   [Aug]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [patch] x86, perf_counter, bts: add bts to perf_counter

    * Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

    > On Tue, 2009-07-21 at 15:56 +0200, Markus Metzger wrote:
    > > Implement a performance counter with:
    > > attr.type = PERF_TYPE_HARDWARE
    > > attr.config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS
    > > attr.sample_period = 1
    > >
    > > using branch trace store (BTS) on x86 hardware, if available.
    > >
    > > The from and to address for each branch can be sampled using:
    > > PERF_SAMPLE_IP for the from address
    > > PERF_SAMPLE_ADDR for the to address
    > >
    >
    > Over all looks very nice, some comments below (could be addressed
    > in a delta patch).

    ok - thanks guys - i'll test this some and push it out into the
    perfcounters tree. Will apply the delta patch too once it's done.

    Thanks,

    Ingo


    \
     
     \ /
      Last update: 2009-08-04 13:17    [W:0.021 / U:60.260 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site