[lkml]   [2012]   [Feb]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: perf: record segfaults for cycles event when collecting data on a VM
On Thu, Feb 09, 2012 at 03:32:53PM +0100, Joerg Roedel wrote:
> Yeah, right. Guest samples may also show up intentionally when the event
> modifiers are used. So crashing on machine==NULL needs to be fixed.

Hmm, on the other hand, there is no way to specify guest symbol
information to the regular perf subcommands except for perf-kvm. Without
that information perf can not resolve any GUEST_KERNEL samples, so in
the end there is no point in setting perf_guest to true except for
perf-kvm, no?


AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632

 \ /
  Last update: 2012-02-09 16:31    [W:0.067 / U:1.452 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site