On Sun, Jan 06, 2013 at 08:48:36PM -0700, David Ahern wrote:
>> Why would the two be different?
> I will make a guess that is processor dependent. On an E5540 with
> 3.4.11-1.fc16.x86_64, 3.6.10-2.fc16.x86_64, and 3.8 I get the same
> failure message.
>
> But on a E5620, it works fine with 3.4 and
On 1/4/13 6:05 PM, Steinar H. Gunderson wrote:
On Fri, Jan 04, 2013 at 05:16:27PM -0700, David Ahern wrote:
Known problem. Pick one of: update perf to 3.7, add H to the command
(-e cycles:ppH) or apply this patch:
https://lkml.org/lkml/2012/12/28/384
I spoke too soon. This works for cycles, bu
On Fri, Jan 04, 2013 at 05:16:27PM -0700, David Ahern wrote:
> Known problem. Pick one of: update perf to 3.7, add H to the command
> (-e cycles:ppH) or apply this patch:
> https://lkml.org/lkml/2012/12/28/384
I spoke too soon. This works for cycles, but not for branch-misses:
pannekake:~> sudo
On Fri, Jan 04, 2013 at 05:16:27PM -0700, David Ahern wrote:
> Known problem. Pick one of: update perf to 3.7, add H to the command
> (-e cycles:ppH) or apply this patch:
> https://lkml.org/lkml/2012/12/28/384
Oh, thinking of it, I've actually read about this flamew^Wdiscussion :-)
Thanks!
/* St
On 1/4/13 4:47 PM, Steinar H. Gunderson wrote:
[Please Cc me on any replies; I'm not subscribed to lkml]
Hi,
I recently upgraded from 3.6.5 to 3.7.1 to get around some MM issues that
have been bothering me. However, it appears it broke PEBS:
pannekake:/usr/src/linux-3.7.1# perf record -a -e
[Please Cc me on any replies; I'm not subscribed to lkml]
Hi,
I recently upgraded from 3.6.5 to 3.7.1 to get around some MM issues that
have been bothering me. However, it appears it broke PEBS:
pannekake:/usr/src/linux-3.7.1# perf record -a -e cycles:pp
Error: sys_perf_event_open() syscall
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