lkml.org 
[lkml]   [2010]   [Mar]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC][PATCH 07/11] perf: Provide PERF_SAMPLE_REGS
From
Date
On Wed, 2010-03-03 at 09:30 -0800, Stephane Eranian wrote:
> This assumes struct pt_regs is somehow exported to userland.
> Is that the case?

I seems to have understood they were, and asm/ptrace.h seems to agree
with that, it has !__KERNEL__ definitions for struct pt_regs.

> I would clearly spell out that the REGS are the interrupted REGS,
> not the overflow REGS. Maybe PERF_SAMPLE_IREGS.

They can be both, for PEBS they are the overflow trap (until PEBS does
fault) regs.



\
 
 \ /
  Last update: 2010-03-03 18:43    [W:0.069 / U:4.168 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site