Em Fri, May 25, 2018 at 03:03:47PM +0100, Robert Walker escreveu:
> Hi Leo,
>
> Following the discussions from your reply to this with a simplified patch,
> this version of the patch works better as you also need to emit a branch
> sample when handling a CS_ETM_TRACE_ON packet to indicate the end
Em Thu, Dec 29, 2016 at 11:13:39AM -0500, Waiman Long escreveu:
> This microbenchmark simulates how the use of different futex types
> can affect the actual performanace of userspace mutex locks. The
> usage is:
>
> perf bench futex mutex
Showing the tool output is preferred, trim it if
Em Wed, Oct 19, 2016 at 12:01:26PM +0200, Peter Zijlstra escreveu:
> On Tue, Oct 18, 2016 at 05:15:01PM -0400, Daniel Micay wrote:
> > It's also worth noting that fine-grained control via a scoped mechanism
> > would likely only be used to implement *more restrictions* on Android,
> > not to make t
Em Tue, Aug 02, 2016 at 11:52:43AM +0200, Peter Zijlstra escreveu:
> On Wed, Jul 27, 2016 at 07:45:46AM -0700, Jeff Vander Stoep wrote:
> > When kernel.perf_event_paranoid is set to 3 (or greater), disallow
> > all access to performance events by users without CAP_SYS_ADMIN.
> > This new level of
Em Fri, Jun 17, 2016 at 12:16:47PM -0400, Daniel Micay escreveu:
> On Fri, 2016-06-17 at 08:54 +0200, Peter Zijlstra wrote:
> > This Changelog is completely devoid of information. _WHY_ are you
> > doing this?
> Attack surface reduction. It's possible to use seccomp-bpf for some
> limited cases,
ile, speeding up the
'make -C tools/perf build-test' target (Wang Nan)
- Reduce the number of tests the 'build-test' target do to those that don't
pollute the source tree (Arnaldo Carvalho de Melo)
- Improve the output of the build tests a bit by aligning the name o
t
Cc: Tor Jeremiassen
Link:
http://lkml.kernel.org/r/1452807977-8069-22-git-send-email-mathieu.poir...@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/arch/x86/util/intel-bts.c | 4 +++-
tools/perf/arch/x86/util/intel-pt.c | 4 +++-
tools/perf/util/auxtrace.c
-off-by: Ben Hutchings
Cc: Peter Zijlstra
Cc: linux-doc@vger.kernel.org
Link: http://lkml.kernel.org/r/20160119213515.gg2...@decadent.org.uk
[ Remove reference to external Documentation file, provide info inline, as
before ]
Signed-off-by: Arnaldo Carvalho de Melo
---
Documentation/sysctl
Em Tue, Jan 26, 2016 at 10:08:21AM -0700, Mathieu Poirier escreveu:
> On 25 January 2016 at 14:29, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Jan 25, 2016 at 06:12:42PM -0300, Arnaldo Carvalho de Melo escreveu:
> >> Em Mon, Jan 25, 2016 at 01:46:22PM -0700, Mathieu Poirier escr
Em Mon, Jan 25, 2016 at 06:12:42PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Jan 25, 2016 at 01:46:22PM -0700, Mathieu Poirier escreveu:
> > On 14 January 2016 at 14:46, Mathieu Poirier
> > wrote:
> > > For memory allocation purposes, code located in othe
This patch is making function set_max_cpu_num() available to
> > other parts of the perf tool so that global variable
> > 'max_cpu_num' gets the right value when referenced by cpu__max_cpu().
> >
> > Cc: Peter Zijlstra
> > Cc: Ingo Molnar
> > Cc: Arna
-off-by: Ben Hutchings
Cc: Peter Zijlstra
Cc: linux-doc@vger.kernel.org
Link: http://lkml.kernel.org/r/20160119213515.gg2...@decadent.org.uk
[ Remove reference to external Documentation file, provide info inline, as
before ]
Signed-off-by: Arnaldo Carvalho de Melo
---
Documentation/sysctl
Em Tue, Jan 19, 2016 at 09:35:15PM +, Ben Hutchings escreveu:
> perf_event_paranoid was only documented in source code and a perf
> error message. Move the documentation from the error message to
> Documentation/sysctl/kernel.txt.
>
> perf_cpu_time_max_percent was already documented but missi
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