lkml.org 
[lkml]   [2011]   [Apr]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/1] perf tools: Add missing user space support for config1/config2

* Vince Weaver <vweaver1@eecs.utk.edu> wrote:

> [...] The kernel has no business telling users which perf events are
> interesting, or limiting them! [...]

The policy is very simple and common-sense: if a given piece of PMU
functionality is useful enough to be exposed via a raw interface, then
it must be useful enough to be generalized as well.

> [...] What is this, windows?

FYI, this is how the Linux kernel has operated from day 1 on: we support
hardware features to abstract useful highlevel functionality out of it.
I would not expect this to change anytime soon.

Thanks,

Ingo


\
 
 \ /
  Last update: 2011-04-25 19:57    [W:0.572 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site