executes this line when there is no provided path
char *home_dir = utils_get_user_home_dir
Shouldn't it be calling utils_get_home_dir instead?
When I do change the function, "lttng save" always ends up in an error
of invalid pointer.
Any idea why this might be happening?
Thanks,
executes this line when there is no provided path
char *home_dir = utils_get_user_home_dir
Shouldn't it be calling utils_get_home_dir instead?
When I do change the function, "lttng save" always ends up in an error
of invalid pointer.
Any idea why this might be happening?
Thanks,
Hello All,
I am running into this problem where using babeltrace with python bindings
is unable to read a ust trace even though the trace can be processed
normally if I run babeltrace from the command line.
I have tried the example given in the LTTng documentation for using
babeltrace with python
of Toronto
E-mail: shehaby...@gmail.com
<https://webmail.rice.edu/imp/message.php?mailbox=INBOX&index=11#>
On Mon, Mar 5, 2018 at 9:07 PM, Shehab Elsayed wrote:
> Hello All,
>
> I am running into this problem where using babeltrace with python bindings
> is unable to read a
Hello All,
I am trying to instrument a pthread application using the provided pthread
wrapper, but I sometimes run into a "Double free or corruption error (
fasttop)" error.
Here is a description of what I have tried and noticed:
1- The problem isn't consistent. It sometimes happen and sometimes
php?mailbox=INBOX&index=11#>
On Mon, Mar 19, 2018 at 12:21 PM, Mathieu Desnoyers <
mathieu.desnoy...@efficios.com> wrote:
>
>
> - On Mar 16, 2018, at 5:37 PM, Shehab Elsayed
> wrote:
>
> Hello All,
>
> I am trying to instrument a pthread application usi
> wrote:
>
> ----- On Mar 19, 2018, at 2:26 PM, Shehab Elsayed
> wrote:
>
> Yes, I tried with only one of those contexts and I still ran into the same
> problem.
>
> What is the setting returned by
>
> cat /proc/sys/kernel/perf_event_paranoid
>
> on your sys
ogers Sr. Dept. of Electrical and Computer Engineering
University of Toronto
E-mail: shehaby...@gmail.com
<https://webmail.rice.edu/imp/message.php?mailbox=INBOX&index=11#>
On Mon, Mar 19, 2018 at 4:01 PM, Mathieu Desnoyers <
mathieu.desnoy...@efficios.com> wrote:
>
>
>
20, 2018, at 4:58 PM, Mathieu Desnoyers <
> mathieu.desnoy...@efficios.com> wrote:
>
> - On Mar 20, 2018, at 12:07 PM, Mathieu Desnoyers <
> mathieu.desnoy...@efficios.com> wrote:
>
>
> - On Mar 19, 2018, at 4:21 PM, Shehab Elsayed
> wrote:
>
> I did "ec
at 4:22 PM, Mathieu Desnoyers <
mathieu.desnoy...@efficios.com> wrote:
> - On Mar 21, 2018, at 1:55 PM, Shehab Elsayed
> wrote:
>
> I am so sorry for the late replies.
>
> I have tried the first patch you sent and the problem still happens
> (although seemingly less
2018 at 7:55 PM, Shehab Elsayed
wrote:
> Still running into same problem. I attached the debug trace I got after
> applying the 2 patches.
>
> The benchmark I am running also includes some custom created tracepoints.
> I am not adding the events being traced in the files I have
-mail: shehaby...@gmail.com
<https://webmail.rice.edu/imp/message.php?mailbox=INBOX&index=11#>
On Wed, Mar 21, 2018 at 8:13 PM, Mathieu Desnoyers <
mathieu.desnoy...@efficios.com> wrote:
> - On Mar 21, 2018, at 8:01 PM, Shehab Elsayed
> wrote:
>
> Just to clarify more
t;
On Thu, Mar 22, 2018 at 1:00 PM, Mathieu Desnoyers <
mathieu.desnoy...@efficios.com> wrote:
> - On Mar 22, 2018, at 12:24 PM, Shehab Elsayed
> wrote:
>
> Actually, i am not sure if this would help. I have been trying to
> reproduce the problem on a different machine
Hi,
I am trying to create wrappers for pthreads conditional variables functions
(wait, signal and broadcast) to insert tracepoints. I followed the same
approach done for the mutex functions already provided with lttng, however
I am running into some problems. Mainly the applications seem to get st
o a lttng-ust git tree or an actual patch (git
> format-patch).
> This will help any person who might be interested in helping you including
> myself.
>
> Cheers
>
> On Tue, May 01, 2018 at 09:31:52AM -0400, Shehab Elsayed wrote:
> > Hi,
> >
> > I am trying t
1#>
On Thu, May 3, 2018 at 4:37 PM, Shehab Elsayed wrote:
> Thanks for the reply. Here is a link to the repo https://github.com/
> ShehabElsayed/LTTng_debugging.git
>
> It contains the LTTng source code I am using and one of the benchmarks
> that is causing problems.
>
>
...@gmail.com
<https://webmail.rice.edu/imp/message.php?mailbox=INBOX&index=11#>
On Tue, May 29, 2018 at 10:36 AM, Shehab Elsayed
wrote:
> I was wondering if you had a chance to look over this issue. Thanks!
>
> Shehab Y. Elsayed, MSc.
> PhD Student
> The Edwards S. Rogers Sr
Hello All,
I was wondering if anyone had any suggestions on how to speedup trace
processing. Right now I am using babeltrace in python to read the traces
and process them. Some of the traces I am dealing with reach up to 10GB.
I read the trace, extract the info I need and write them to a csv gzip
fficios.com> wrote:
> Hi Shehab,
>
> On Mon, Jul 09, 2018 at 06:48:05PM -0400, Shehab Elsayed wrote:
> > Hello All,
> >
> > I was wondering if anyone had any suggestions on how to speedup trace
> > processing. Right now I am using babeltrace in python to read th
ndex=11#>
On Tue, Jul 10, 2018 at 6:51 PM, Philippe Proulx
wrote:
> On Tue, Jul 10, 2018 at 11:33 AM Shehab Elsayed
> wrote:
> >
> > I haven't tried the C API yet.
> >
> > A smaller trace of about 2.7GB took +5 hrs before I had to kill the
> process.
>
e information, check this
link:
http://blog.fesnel.com/blog/2009/08/25/preloading-with-multiple-symbol-versions/
I hope this helps.
On Thu, Jul 5, 2018 at 5:36 PM Shehab Elsayed wrote:
> Any suggestions where I should investigate to fix this bug? Also, please
> let me know whethe
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