Re: [lttng-dev] [PATCH] [URCU] Allow forcing the use of sys membarrier

2016-09-16 Thread Mathieu Desnoyers
- On Sep 16, 2016, at 3:58 PM, Mathieu Desnoyers mathieu.desnoy...@efficios.com wrote: > - On Sep 16, 2016, at 11:38 AM, Duncan Sands duncan.sa...@deepbluecap.com > wrote: > >> Hi Mathieu, >> >> On 09/12/2016 05:05 PM, Mathieu Desnoyers wrote: >>> - On Sep 6, 2016, at 9:07 AM,

Re: [lttng-dev] [PATCH babeltrace] Fix: Use autoconf provided grep in test_formats

2016-09-16 Thread Jérémie Galarneau
Merged, thanks! Jérémie On Thu, Sep 15, 2016 at 6:47 PM, Michael Jeanson wrote: > Signed-off-by: Michael Jeanson > --- > tests/bin/test_formats.in | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/bin/test_formats.in

Re: [lttng-dev] [PATCH] [URCU] Allow forcing the use of sys membarrier

2016-09-16 Thread Mathieu Desnoyers
- On Sep 16, 2016, at 11:38 AM, Duncan Sands duncan.sa...@deepbluecap.com wrote: > Hi Mathieu, > > On 09/12/2016 05:05 PM, Mathieu Desnoyers wrote: >> - On Sep 6, 2016, at 9:07 AM, Duncan Sands duncan.sa...@deepbluecap.com >> wrote: >> >>> When using the RCU_MEMBARRIER flavour of

Re: [lttng-dev] Beginner question: how to inspect scheduling of multi-threaded user application?

2016-09-16 Thread David Aldrich
Hi I wonder if I might ask for some more guidance please? I now have lttng and Trace Compass running on Ubuntu. I want to inspect the scheduling of threads in my user-space application. So far, I have successfully captured a trace with the sched_switch event enabled: $ sudo lttng

Re: [lttng-dev] [PATCH] [URCU] Allow forcing the use of sys membarrier

2016-09-16 Thread Duncan Sands
Hi Mathieu, On 09/12/2016 05:05 PM, Mathieu Desnoyers wrote: - On Sep 6, 2016, at 9:07 AM, Duncan Sands duncan.sa...@deepbluecap.com wrote: When using the RCU_MEMBARRIER flavour of userspace-RCU, kernel support for sys-membarrier is detected dynamically and stored in the

Re: [lttng-dev] Beginner question: how to inspect scheduling of multi-threaded user application?

2016-09-16 Thread Jonathan Rajotte Julien
Hi On 2016-09-16 07:43 AM, David Aldrich wrote: Hi I wonder if I might ask for some more guidance please? I now have lttng and Trace Compass running on Ubuntu. I want to inspect the scheduling of threads in my user-space application. So far, I have successfully captured a trace with the