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
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 7.0
stock kernel which is 3.10.0-123.el7
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 =
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 = NOTSET;
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: Tuan Bui
---
tools/perf
-off-by: Tuan Bui tuan.d@hp.com
---
tools/perf/Documentation/perf-bench.txt | 8 +
tools/perf/Makefile.perf| 1 +
tools/perf/bench/bench.h| 1 +
tools/perf/bench/locking.c | 336
tools/perf/builtin-bench.c
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
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
500
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
In response to this thread
.
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
.
Signed-off-by: Tuan Bui tuan.d@hp.com
---
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
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
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]
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][k]
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 comparable,
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? Isn't
% 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
% locking-creat [kernel.kallsyms][k] _raw_spin_lock
5.15% locking-creat [jbd2] [k]
jbd2_journal_put_journal_head
...
Signed-off-by: Tuan Bui tuan.d@hp.com
---
tools/perf/Documentation/perf-bench.txt |8 ++
tools/perf/Makefile.perf|1 +
tools/perf
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