lkml.org 
[lkml]   [2011]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 07/12] perf_events: add LBR software filter support for Intel X86
> just with self-modifying (JIT) code, though the depth of LBR is such that
> this is very unlikely (it must happen in the last 16 branches before the
> PMU interrupt).

Interrupts can make this window arbitary long.

-Andi


--
ak@linux.intel.com -- Speaking for myself only.


\
 
 \ /
  Last update: 2011-10-07 17:45    [from the cache]
©2003-2011 Jasper Spaans