lkml.org 
[lkml]   [2020]   [Aug]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH V6 03/16] perf/core: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
On Mon, Aug 10, 2020 at 02:24:23PM -0700, Kan Liang wrote:
> From: Stephane Eranian <eranian@google.com>
>
> When studying code layout, it is useful to capture the page size of the
> sampled code address.
>
> Add a new sample type for code page size.
> The new sample type requires collecting the ip. The code page size can
> be calculated from the IRQ-safe perf_get_page_size().
>
> Only the generic support is covered. The large PEBS will be disabled
> with this sample type.

-ENOREASON

\
 
 \ /
  Last update: 2020-08-10 23:42    [W:0.177 / U:0.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site