lkml.org 
[lkml]   [2009]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Add minimal support for software performance counters for ia64

* William Cohen <wcohen@redhat.com> wrote:

> The following patch adds minimal support for software
> performance counters for ia64.

Nice!

> For the kernel the patch enables configuration of the
> perf counter option, adds the perf_counter_open
> syscall, and includes a minimal machine specific
> asm/perf.h header file.
>
> For the perf tool the header perf.h includes an ia64
> specific section and the options used in the Makefile
> were adjusted to allow compilation on ia64. The
> -Wcast-align gives "cast increases required alignment
> of target type" warning for the list_for_each_entry()
> macro. The "-fno-strict-aliasing" was used to avoid
> warnings for "dereferencing type-punned pointer will
> break strict-aliasing rules" warnings for sscanf()
> functions in util/trace-event-parse.c

Tony, Fenghua Yu, this patch already depends on .32
changes in the perfcounters tree - would be OK to you if
we merged this patch into the perfcounters tree? Plus
perhaps merge a syscall placeholder patch into the ia64
tree?

Thanks,

Ingo


\
 
 \ /
  Last update: 2009-08-19 18:15    [W:0.110 / U:0.700 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site