On Tue, 2015-04-07 at 16:33 -0700, Eric Dumazet wrote:
> On Tue, 2015-04-07 at 15:57 -0700, Tuan Bui wrote:
> > Hi all,
> >
> > I am consistently seeing this kernel panic on a 16 sockets machine
> > running Spark PageRank workload using Docker. I am running RHEL 7.
On Thu, 2014-12-11 at 18:12 -0300, Arnaldo Carvalho de Melo wrote:
> > +struct timeval start, end, total;
> > +static unsigned int start_nr = 100;
> > +static unsigned int end_nr = 1100;
> > +static unsigned int increment_by = 100;
> > +static int bench_dur = NOTSET;
> > +static int num_jobs = NOTS
tmp files generated by benchmark.
- Edited changelog to include example output per Arnaldo's request.
Changes since v1:
- Added -j options to specified jobs per processes.
- Change name of microbenchmark from creat to vfs.
- Change all instances of threads to proccess.
Signed-off-by:
On Fri, 2014-11-21 at 13:04 -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Nov 21, 2014 at 12:57:06PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Thu, Nov 20, 2014 at 11:06:05AM -0800, Tuan Bui escreveu:
> > > Subject: [PATCH] Perf Bench: Locking Microbenchmark
> >
On Fri, 2014-11-21 at 12:57 -0300, Arnaldo Carvalho de Melo wrote:
> >
> > Test machine is a 8-sockets 80 cores Westmere system HT-off on v3.17-rc6.
> >
> > AIM7AIM7perf-bench perf-bench
> > Users Jobs/minJobs/min/child Ops/sec Ops/sec/child
.
Signed-off-by: Tuan Bui
---
tools/perf/Documentation/perf-bench.txt | 8 +
tools/perf/Makefile.perf| 1 +
tools/perf/bench/bench.h| 1 +
tools/perf/bench/locking.c | 261
tools/perf/builtin-bench.c
On Thu, 2014-10-02 at 21:57 -0700, Davidlohr Bueso wrote:
> On Wed, 2014-10-01 at 14:12 -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Oct 01, 2014 at 07:28:32AM +0200, Ingo Molnar escreveu:
> > > If you compare an strace of AIM7 steady state and 'perf bench
> > > lock' steady state, is it com
On Wed, 2014-10-01 at 14:12 -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Oct 01, 2014 at 07:28:32AM +0200, Ingo Molnar escreveu:
> > If you compare an strace of AIM7 steady state and 'perf bench
> > lock' steady state, is it comparable, i.e. do the syscalls and
>
> Isn't "lock" too generic?
On Wed, 2014-10-01 at 07:28 +0200, Ingo Molnar wrote:
> >
> > Perf trace of perf bench creat
> > 22.37% locking-creat [kernel.kallsyms][k] osq_lock
> > 5.77% locking-creat [kernel.kallsyms][k] mutex_spin_on_owner
> > 5.31% locking-creat [kernel.kallsyms]
% locking-creat [kernel.kallsyms][k] _raw_spin_lock
5.15% locking-creat [jbd2] [k]
jbd2_journal_put_journal_head
...
Signed-off-by: Tuan Bui
---
tools/perf/Documentation/perf-bench.txt |8 ++
tools/perf/Makefile.perf|1 +
tools/perf/bench/bench.h
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