> But my worry here is about consistency accross tools for the single
> letter options, so perhaps if you could use:
>
> -U collect only user level samples
> -K collect only kernel level samples
Support for this would be nice for perf stat too, to use with
t
Arnaldo Carvalho de Melo [a...@redhat.com] wrote:
| Em Wed, Aug 28, 2013 at 03:38:28PM +0200, Stephane Eranian escreveu:
| > On Wed, Aug 28, 2013 at 3:27 PM, Arnaldo Carvalho de Melo
wrote:
| > > So perhaps we should change both to (and add this to 'report' as well):
| > >
| > > -U, --hide_ke
Em Wed, Aug 28, 2013 at 03:38:28PM +0200, Stephane Eranian escreveu:
> On Wed, Aug 28, 2013 at 3:27 PM, Arnaldo Carvalho de Melo
> wrote:
> > So perhaps we should change both to (and add this to 'report' as well):
> >
> > -U, --hide_kernel_symbols hide kernel symbols
> > -K, --hide_user
Arnaldo,
So I just checked perf top and those 2 options are
doing user level filtering of the samples. This is different
from what I want which is hardware level filtering if avail.
On Wed, Aug 28, 2013 at 3:38 PM, Stephane Eranian wrote:
> On Wed, Aug 28, 2013 at 3:27 PM, Arnaldo Carvalho de
On Wed, Aug 28, 2013 at 3:27 PM, Arnaldo Carvalho de Melo
wrote:
> Em Mon, Aug 26, 2013 at 04:21:44PM -0600, David Ahern escreveu:
>> On 8/26/13 7:11 AM, Stephane Eranian wrote:
>
>> >This patch adds the -u -and -k options to perf to allow
>> >filtering of load/store sampling based on priv levels.
Em Mon, Aug 26, 2013 at 04:21:44PM -0600, David Ahern escreveu:
> On 8/26/13 7:11 AM, Stephane Eranian wrote:
> >This patch adds the -u -and -k options to perf to allow
> >filtering of load/store sampling based on priv levels.
> >This may not be supported by all HW platforms.
> >+++ b/tools/perf
On Tue, Aug 27, 2013 at 12:21 AM, David Ahern wrote:
>
> On 8/26/13 7:11 AM, Stephane Eranian wrote:
>>
>> perf mem: add priv level filtering support
>>
>> This patch adds the -u -and -k options to perf to allow
>> filtering of load/store sampling based on priv levels.
>> This may not be supported
On 8/26/13 7:11 AM, Stephane Eranian wrote:
perf mem: add priv level filtering support
This patch adds the -u -and -k options to perf to allow
filtering of load/store sampling based on priv levels.
This may not be supported by all HW platforms.
By default, loads/stores are sampled at both user
perf mem: add priv level filtering support
This patch adds the -u -and -k options to perf to allow
filtering of load/store sampling based on priv levels.
This may not be supported by all HW platforms.
By default, loads/stores are sampled at both user and
kernel privilege levels.
To sample only a
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