lkml.org 
[lkml]   [2013]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCHv2 00/25] perf tool: Add support for multiple data file storage
On Sun, Sep 01, 2013 at 12:36:11PM +0200, Jiri Olsa wrote:
> hi,
> sending the support for multiple file storage. Initial
> RFC is here:
> http://marc.info/?l=linux-kernel&m=137408381902423&w=2
>
> v2 changes:
> - reworked perf mmap size setup to be able to get
> the mmap size value easily later
> - added perf.data read/write test for v2 and v3
> for both endianity
> - added record '-M time' support

So this 0/n post seems to have forgotten to list the rationale for doing
all this..

The only reason I wanted this is so that each thread can write its own
data. The current one file thing is an immense bottle-neck for big
machines.

However your earlier patches didn't do it because of that -- I forgot
why they did it and you're now not telling.




\
 
 \ /
  Last update: 2013-09-09 13:41    [W:0.199 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site