lkml.org 
[lkml]   [2012]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: perf with precise attribute kills all KVM based VMs
On 7/9/12 8:49 AM, Peter Zijlstra wrote:
> On Mon, 2012-07-09 at 08:47 -0600, David Ahern wrote:
>>
>> I found this testing changes to perf-kvm, but found the problem extends
>> to just perf-record. With perf-record exclude_guest defaults to 1. See
>> tools/perf/util/util.c, event_attr_init().
>
> You lost me there.. so perf-record defaults to exclude_guest=1 (which
> would make the proposed patch I just send actually possible), but its
> still going *bang* ?
>


I can do the formality of testing your proposed patch, but yes I think
so. exclude_guest defaults to 1 because perf_guest defaults to false.

David


\
 
 \ /
  Last update: 2012-07-09 21:21    [W:0.146 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site