Hi everyone,
We at EfficiOS are happy to announce the first public preview of the
LTTng Scope project.
LTTng Scope is an experimental graphical viewer for LTTng kernel and
userspace traces for Linux, Windows and macOS. With this new project, we
want to experiment with UI/UX and determine how
t /usr/local/lib.
Cheers,
Alex
>On Friday, October 13, 2017, 11:57:33 PM GMT+3:30, Alexandre Montplaisir
> <alexmon...@voxpopuli.im> wrote:
>
> On 2017-10-12 03:38 PM, MMM wrote:
>> Dear Alex,
>>
>> As I mentioned, I used sample examples. for instance, I us
if I can reproduce the issue.
How did you install your LTTng 2.9? Was it from source, or from a PPA?
The Ubuntu 16.04 main archive only has 2.7.*
Cheers,
Alex
>
> Thanks for your attention.
> Regards,
> Mehdi.
>
> On Thursday, October 12, 2017, 6:51:12 PM GMT+3:30, Alex
ommand:
$ ls -l /usr/share/java/lttng-ust*
Thanks,
Alex
>
> Regards,
> Mehdi.
>
>
>
>
> On Wednesday, October 11, 2017, 6:09:41 PM GMT+3:30, Alexandre
> Montplaisir <alexmon...@voxpopuli.im> wrote:
>
>
> Hi,
>
> I tried compiling and running your program, and i
Hi,
I tried compiling and running your program, and it runs fine on my end.
Here is what I did:
saved the snippet below to "Hello.java"
$ apt install liblttng-ust-agent-java
$ javac -cp /usr/share/java/lttng-ust-agent-jul.jar Hello.java
$ lttng create
$ lttng enable-event -a -j
$ lttng start
$
Hi all,
I vaguely remember something about a patch set for LTTng 2.x to allow it
to compile on Linux 2.6.32. Is there such a patch set for recent
versions, like 2.5+?
Michael, in CC, is trying to use the live tracing feature in Trace
Compass, but there is a bug with the 2.4 connector, and
Hi,
The Java agent library does not allow users to change the tracepoint
signature. Defining a tracepoint requires writing a C macro and
compiling it, so it cannot be done as easily as it is for a native program.
You could however modify the Java agent code, both on the Java side and
in the
Reviewed-by: Alexandre Montplaisir <alexmon...@efficios.com>
On 2016-02-15 02:29 PM, Michael Jeanson wrote:
Signed-off-by: Michael Jeanson <mjean...@efficios.com>
---
doc/examples/java-jul/ApplicationContextExample.java | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
Same as 4721f9c, but for the stable-2.7 branch.
Signed-off-by: Alexandre Montplaisir <alexmon...@efficios.com>
---
.../java/org/lttng/ust/agent/jul/LTTngLogHandler.java | 18 --
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git
a/liblttng-ust-java-agent/ja
On 2016-02-04 09:23 AM, Mathieu Desnoyers wrote:
- On Feb 4, 2016, at 12:32 AM, Alexandre Montplaisir
alexmon...@efficios.com wrote:
It is possible for log records to contain messages that need some
formatting, for example if the string contains localized elements
or if the log(Level
tracepoint.
This only applies to the JUL API. log4j 1.2.x did not handle such
formatting, although log4j 2.x does.
Signed-off-by: Alexandre Montplaisir <alexmon...@efficios.com>
---
.../org/lttng/ust/agent/jul/LttngLogHandler.java | 16 +++-
1 file changed, 15 insertion
+1
In the case of SessiondDisableEventCommand it was not a big deal because
it only reads a string from the buffer, so individual bytes, not
affected by endianness. For SessiondEnableEventCommand however it would
result in erroneous values for log levels!
On 2015-10-23 05:12 PM, Jérémie
When receiving a disable event command from the sessiond for
an event that is not known, the Java agent should send the
unknown logger name return code, not the invalid command one.
Signed-off-by: Alexandre Montplaisir alexmon...@efficios.com
---
.../agent/client/SessiondDisableEventCommand.java
This patch now makes lttng-tools have a hard requirement on Java to even
compile the thing. Is this desirable, given that Java is only needed to
run some tests?
On 2015-08-05 12:08 PM, Jérémie Galarneau wrote:
Merged, thanks!
Jérémie
On Tue, Aug 4, 2015 at 6:21 PM, Michael Jeanson
-tools
side.
Signed-off-by: Alexandre Montplaisir alexmon...@efficios.com
---
liblttng-ust-java-agent/jni/jul/lttng_ust_jul.c | 3 +--
liblttng-ust-java-agent/jni/jul/lttng_ust_jul.h | 3 +--
liblttng-ust-java-agent/jni/log4j/lttng_ust_log4j.c | 3 +--
liblttng-ust-java-agent/jni/log4j
Previous patch d60dfbe inadvertently made use of
ReflectiveOperationException, which was introduced in Java 7.
To continue being able to compile the agent with Java 6, we
can list individual exception types instead.
Signed-off-by: Alexandre Montplaisir alexmon...@efficios.com
---
.../org/lttng
Please ignore the previous patch. I have pushed a new version, along
with some other fixes, as a PR at:
https://github.com/lttng/lttng-ust/pull/4
Fixed the typo in the commit title too ;)
On 2015-06-26 06:03 PM, Alexandre Montplaisir wrote:
Remove unused imports.
Access static fields
Remove unused imports.
Access static fields statically.
Signed-off-by: Alexandre Montplaisir alexmon...@efficios.com
---
.../java/org/lttng/ust/agent/LTTngAgent.java | 99 ++
.../org/lttng/ust/agent/LTTngSessiondCmd2_6.java | 4 +-
.../lttng/ust/agent
Hi,
On 2015-06-22 05:06 PM, Jeffrey Chen wrote:
Hi:
I am reading the LTTng and I am confused about the loglevel in the document.
The document talked about it could assign a loglevel to each event.
(http://lttng.org/docs/#doc-assigning-log-levels)
This part refers to when you define your
Hi,
This is a recurring problem, unfortunately. The distribution updates
their kernel by backporting patches from later upstream kernel versions,
which can sometimes break the internal APIs used by lttng-modules.
However they will not update the lttng-modules package for a given
version of
From: Alexandre Montplaisir [alexmon...@voxpopuli.im]
Sent: Friday, 05 June 2015 7:15 AM
To: SMITH Peter T
Cc: lttng-dev@lists.lttng.org
Subject: Re: [lttng-dev] lttng fails to install on Ubunti 14.04
Hi,
This is a recurring problem, unfortunately. The distribution updates
LINUX_VERSION_CODE = KERNEL_VERSION(3,19,2)
check, so should not require other workarounds.
References #889.
Signed-off-by: Alexandre Montplaisir alexmon...@voxpopuli.im
---
instrumentation/events/lttng-module/kmem.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/instrumentation/events
-by: Alexandre Montplaisir alexmon...@voxpopuli.im
---
instrumentation/events/lttng-module/kmem.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/instrumentation/events/lttng-module/kmem.h
b/instrumentation/events/lttng-module/kmem.h
index ee83d38..1d4eb62 100644
Hi,
Is it possible that nginx forks other processes, and the main process
stays there doing almost nothing? In such a case, you would need to also
preload liblttng-ust-fork.so, so that UST can follow through fork()
calls. See the section USING LTTNG UST WITH DAEMONS of man lttng-ust.
Hey,
Ok, after some investigation, I found the problem.
We specify * in the .install file, so I was wondering why that script
was not being installed. Turns out that it gets ignored because it
contains debian in its name. I assume the package building scripts
want to ignore any debian/
Hi Mathieu,
Thanks for the info, good to know!
However, we (in Trace Compass) don't actually make use of the
statedump_end event. Should we?
For now, we only use the lttng_statedump_process_state events in our
state model. The information contained in these events is applied to the
state
see this as a beginners confusion and not worth
to spend time here.
I'm quite happy to see the nice LTTng output ;)
Wolfgang R.
Gesendet: Freitag, 27. März 2015 um 14:52 Uhr
Von: Mathieu Desnoyers mathieu.desnoy...@efficios.com
An: Wolfgang Rostek wolfgang.ros...@gmx.de, Alexandre Montplaisir
On 2015-03-13 4:59 AM, Zifei Tong wrote:
[...]
gcc 4.9 from Homebrew works fine. For clang I have to apply a patch to move
'__attribute__((__transparent_union__))' after the union declaration.
I think this
might be a clang bug.
Indeed, I tested it with clang 3.5 on Linux and it gives the
Hi,
Technically, liburcu is not supported on Mac, but if we can easily make
it work, why not try!
I tried compiling it on an OS X system (Yosemite, autoconf/automake
installed from Homebrew), but got many errors like this one:
In file included from wfcqueue.c:26:
On 2015-03-09 01:45 PM, Jérémie Galarneau wrote:
I'm not sure about Trace Compass, cc-ing Alexandre Montplaisir.
Trace Compass can correlate traces taken on different hosts by using
network events between them. See
http://archive.eclipse.org/tracecompass/doc/org.eclipse.tracecompass.doc.user
On 02/20/2015 02:05 PM, Philippe Proulx wrote:
On Fri, Feb 20, 2015 at 2:00 PM, Anand Neeli anand.ne...@gmail.com wrote:
Hi All,
Is adding a new channel to an existing(running) session supported?
No.
i get following error when doing this.
Error: Channel myc5: Tracing already started
Is
Hi,
On 02/19/2015 06:31 AM, Neil Bryan wrote:
Hello Forum,
Now that I have got LTTng built, I have tried some preliminary tests.
Unfortunately the results are not quite as I expect.
I have used LTTng previously, although I did not perform the kernel
integration. Using Eclipse TFM I could see
On 02/07/2015 02:25 AM, Wang Nan wrote:
On 2015/2/7 13:14, Alexandre Montplaisir wrote:
On 2015-02-06 10:13 PM, Wang Nan wrote:
I think such an approach could help in all 3 use cases you have presented. What
do you think?
Good to see you are looking at this problem.
Frequency analysis you
On 2015-02-06 10:13 PM, Wang Nan wrote:
I think such an approach could help in all 3 use cases you have presented. What
do you think?
Good to see you are looking at this problem.
Frequency analysis you mentioned is a good viewpoint for finding outliner. However, it should not
be the only
On 01/23/2015 04:35 AM, Wang Nan wrote:
[...] I prefer to use:
# perf record -a -e sched:* -e syscalls:* sleep 1
However there are some bugs and I have to make some patches. They are
posted and being disscussed currently, those bugs are still exist
upstream.
Hmm, I can confirm this
Hi Wang,
First of all, thank you very much for posting this use case. This is
exactly the type of user feedback that will help make the toolchain
better and more useful for users!
Some comments and questions below,
On 01/23/2015 04:35 AM, Wang Nan wrote:
[...]
Then I need to convert
Hi,
I have never tried this myself, but a similar question was asked on
StackOverflow recently:
http://stackoverflow.com/questions/27950396/is-it-possible-to-build-lttng-probe-module-outside-of-lttng-modules-tree
and the author found a solution. Maybe this can help?
Cheers,
Alex
On
Hi,
On 01/05/2015 12:58 AM, Divya Vyas wrote:
Hi,
I am getting this error while building lttng-modules folder:
In function ‘lttng_statedump_process_ns’:
/home/divya/Downloads/lttng-modules-a94de96/lttng-statedump-impl.c:301:2:
error: implicit declaration of function ‘task_nsproxy’
.
Therefore, liburcu2 is the one you want to install.
Looking at the dependencies, it seems that installing lttng-tools and
lttng-modules-dkms (from the PPA) should have you covered and install
everything you need.
CC-ing Alexandre Montplaisir who maintains most of these packages.
Regards,
Jérémie
Hi Mathieu,
Looks great! Preliminary testing shows that Trace Compass also blows up
in many different ways, but hey that's expected ;)
If I may suggest, having a script, either shell or Python, to just
generate/clean the test traces would be very useful.
We don't use the run.sh scripts in CI
, and the more
we will have, the less sense it will make to generate them all at
test start.
Thanks!
Mathieu
- Original Message -
From: Alexandre Montplaisir alexmon...@voxpopuli.im
To: Mathieu Desnoyers mathieu.desnoy...@efficios.com, Matthew Khouzam
matthew.khou...@ericsson.com
Cc: lttng
Hi,
babeltrace-log is just a small tool that wraps a text file in CTF. It
is not a lossless conversion back to CTF format from a babeltrace
output. To do that, you would need to do something like:
$ babeltrace -i text -o ctf ...
but that is not supported yet.
So it's expected that the
Hi,
Just a note, the python bindings are also packaged in the Debian/Ubuntu
packages, under the python3-babeltrace package.
On Ubuntu it's only available on 12.10 and up though, but it should be
available if one uses the PPA packages.
Cheers,
Alexandre
On 11/06/2014 03:00 AM, Julien
Ubuntu 12.10
I meant 14.10 (Utopic), my bad.
On 11/06/2014 06:40 PM, Alexandre Montplaisir wrote:
Hi,
Just a note, the python bindings are also packaged in the
Debian/Ubuntu packages, under the python3-babeltrace package.
On Ubuntu it's only available on 12.10 and up though
Hi Sébastien,
You could always write custom scripts using grep and sed, but those tend
to be a bit inflexible. ;)
Have you heard about Trace Compass [1] (previously known as TMF, or The
Eclipse LTTng plugin) ? It's a generic trace viewer and analyzer based
on Eclipse, and it supports LTTng
Hi Christian,
Very nice work! It's very Web 3.0, I like it!
The documentation page is particularly good. It manages to make doc not
look boring!
Other random comments:
apt-get and yum (and zypper too afaik) support more than one package on
the command line. On the Downloads page, you could
On 08/06/2014 10:49 AM, Simon Marchi wrote:
On 6 August 2014 10:13, Jonathan Rajotte Julien
jonathan.r.jul...@gmail.com wrote:
The presence of tabulation and newline in mi is irrelevant and
can impact client performance. The parsing processing of a lot of data from mi
with many /t and /n
Hi,
Could you just do
$ sudo apt-get install --reinstall lttng-modules-dkms
and check in the output if you have any errors, or if it really installs
successfully?
Maybe Ubuntu's patches already trickled down to 12.04 and you might be
hitting https://bugs.lttng.org/issues/814
Thanks,
a crash report and
lttng-module-dkms exists in it too.
Regards,
Shariyar
On Mon, Jul 7, 2014 at 2:04 PM, Alexandre Montplaisir
alexmon...@voxpopuli.im wrote:
Hi,
Could you just do
$ sudo apt-get install --reinstall lttng-modules-dkms
and check in the output if you have any errors
Alright, the stable- packages have been updated too. It should now be
possible to install them on recent Ubuntu versions.
Let us know if there are still any issues.
Cheers,
Alexandre
On 07/07/2014 02:16 PM, Alexandre Montplaisir wrote:
Great, thanks for testing, that means we'll have
Yes! There are PPAs for Ubuntu packages, one for the stable branches:
https://launchpad.net/~lttng/+archive/ppa
and one for builds of the git master:
https://launchpad.net/~lttng/+archive/daily
Cheers,
Alexandre
On 06/12/2014 02:27 PM, Anand Neeli wrote:
Hi All,
are there latest ubuntu .deb
Hi Stavros,
First, thanks for the interest :)
To add support for a new trace type to TMF, you basically have 2
options: either you first convert your trace to another supported
format, or you write a parser in TMF. In practice, the second option is
easier. There is, imho, not much gain in
missing anything here?
how can i compile for i386 using include files from deb.
Thanks,
Anand Neeli
On Fri, Jun 13, 2014 at 12:28 AM, Alexandre Montplaisir
alexmon...@voxpopuli.im wrote:
Yes! There are PPAs for Ubuntu packages, one for the stable branches:
https://launchpad.net/~lttng
Just to give some context, we had a problem with the Ubuntu PPA
packages, where the version in version.h would not get set to anything,
and the resulting binary wouldn't report a version number when doing
lttng --version.
Turned out it's because Launchpad imports everything to bzr branches,
On 05/30/2014 04:53 AM, Hongbo Zhang wrote:
Thank you Jan.
Encouraged by the truth that LTTng UST does work on ARM, I paid more
efforts and run it on my ARM board at last.
I am using a Ubuntu on my board, and I installed lttng-ust and
userspace-rcu from source codes, but installed lttng-tools
On 14-05-28 11:51 AM, Mathieu Desnoyers wrote:
Hi Alexandre,
Since there has been an important tracepoint module API change between 3.14
and 3.15 in the Linux kernel, supporting 3.15 falls into the new feature
category, so we don't plan to backport it to stable 2.4.
lttng-modules 2.5.0
Nice work! These kind of high-level diagrams can be really helpful to
new users.
Just a side-note wouldn't it be interesting to also carry the original
(inkscape?) file in the git tree? That way if we want to make changes or
additions we don't have to start over.
Cheers,
Alexandre
On
Hi,
Every event type has different fields though. So the columns would
vary from one event to another.
Although I can see that if you add let's say context.pid to ALL
events, then it would be nice in the CSV export to add this as a
separate column. However, the viewer cannot know for sure that
To avoid doing a complete first pass of the trace, you can just
iterate on the event types as described in the metadata, and take note
of all the possible field you can find in the trace. Then, during your
only pass, you already know all your columns.
That's true. Although right now TMF
Hi Jon,
If you use a semi-recent version of the Eclipse viewer (like the RCP one
at http://lttng.org/eclipse ), it is possible to filter the entries in
the CFV. Look for the left-most button in the view's toolbar.
There is also the possibility to add filters at the tracer level when
you setup
Could it be hidden behind a non-default configure option, instead of
completely removed?
Alex
On 14-02-27 04:30 PM, Mathieu Desnoyers wrote:
Hi Paul,
Please see http://bugs.lttng.org/issues/745, which explains a deadlock
we just found out.
We might have to disable the baddr dump feature,
On Ubuntu/Debian, there is no lib64, it's /usr/lib/x86_64-linux-gnu/
If you installed UST from the distro package, it should be at:
/usr/lib/x86_64-linux-gnu/liblttng-ust-cyg-profile.so.0
(the .so symlink is only installed by the -dev package)
If you installed from source, it would be at:
Hmm, ok, if you use lttng list -k do they appear in the list of
available events?
One other thing I can think about is that the statedump itself takes a
little bit of time to execute, so the statedump events are never at the
very start of the trace. So if your traces are very short it's possible
Hi,
Can you confirm if the updated lttng-modules-dkms package really
installed successfully? (You can uninstall/reinstall it and check in the
output.) The problem with DKMS packages is that the .deb can build fine
on the builder, but it fails to install on the user's machine depending
on the
Hi,
The packaging for distributions is usually managed by the distribution
itself, not the upstream project.
For the official Debian packages, you can search on packages.debian.org
for the package names, and from there you can download the
*.debian.tar.gz for the packaging recipe. Or follow the
On 13-11-13 05:00 AM, Woegerer, Paul wrote:
- Why does the statedump event seem to give many more libs than the
push events? Could we be missing some dlopen's? For example, I traced
glxgears by preloading liblttng-ust-dl.so: http://pastebin.com/HKVa9a4T
Since ust_baddr:push/pop is based on
Hi Paul,
I tried your patches. It seems to work quite well! I had some
questions/comments:
- The events are called ust_baddr:push and ust_baddr:pop. To be
consistent with the other wrapper libraries in UST, perhaps they should
be called ust_dl:dlopen and ust_dl:dlclose or similar?
- Why does
Thanks for the update Christian!
Allow me to give a small update on the TMF (Tracing and Monitoring
Framework, a.k.a. Eclipse trace viewer) front, most of which I did talk
about in my presentation at LinuxCon.
Recent features merged in git:
- Stand-alone RCP version!
This means it's now
The Debian/Ubuntu packages for liblttng-ust and liburcu are
multiarch-enabled, so you can install the :i386 and :amd64 versions in
parallel. That way they will be tracked by the package manager, and won't
linger around.
Except that the Ubuntu LTTng packages are hopelessly behind right
Hi Daniel,
Interesting, thanks for documenting your adventure! Some little notes:
On 13-10-02 03:07 PM, Thibault, Daniel wrote:
[...]
Closing observations:
What's the best, easiest way to get the 32-bit versions of popt and uuid?
Some -dev packages are also multiarch, for example
Hi all,
I've recently started playing with liblttng-ust-cyg-profile.so (aka,
getting UST events from -finstrument-functions), and I have to say it's
pretty nifty! I haven't done any benchmarks, but it's certainly faster
than the typical printf() that people use with it...
However, in the
On 13-08-07 03:48 PM, Vomlehn wrote:
If the source is obtained directly from git, the file configure must be
built with the autoconf tools. In addition, example shell commands are
traditionally preceeded with a $ instead of a -, so this convention
is used.
---
README | 13 ++---
Hi,
The trace synchronization feature hasn't been merged in the Eclipse
plugin yet, although it's very close. You can look at the latest version
of the patch by Geneviève Bastien here: https://git.eclipse.org/r/#/c/14056/
However, we're currently considering doing a rework of how
On 13-08-05 03:48 PM, Mathieu Desnoyers wrote:
* Yannick Brosseau (yannick.bross...@gmail.com) wrote:
[...]
Or
should we write a second spec on the side for that kind of information?
The question we want to answer is What do I need to put in a CTF file
to make it possible for a viewer to
Hi Sébastien,
On 13-07-26 12:36 PM, Sébastien Barthélémy wrote:
Hello all,
I am investigating a problem on a rt system which misses deadlines under
load. Yet another occasion to use LTTng! But this comes with a bunch of
newcomer questions.
I'd like to reconstruct the state of the scheduler
On 13-07-23 11:30 PM, Christian Babeux wrote:
[...]
For 2), the release roadmap is available at [1]. The roadmap is kind
of a mess right now because bugs are assigned to older stable releases
giving the wrong impression that some stable releases are way late.
We would need a way to
Hi Mohamad,
Quite impressive!
Small detail: I don't know if you use the exact same colors as the
Control Flow View, but the color you use for vCPU preempted seems
similar to the one used for the Interrupted (IRQ) state. You should make
sure they can be differentiated if shown side-by-side. In
Hi,
On 13-06-26 06:01 PM, tarek slaymia wrote:
hi all, when installing lttng on ubuntu12.04 an issue is displayed related
to lttng-modules-dkms module.
Title of displayed message :
lttng-modules-dkms 2.0.2-0ubuntu1 : lttng-modules kernel module failed to
build.
in file included from
On 13-06-28 10:13 AM, Alex Mesa wrote:
Good Morning,
I would like to know if it is possible to include filename as an added
event or if there any way to output the filename (path) to the
following system calls:
sys_open, sys_write, sched_process_fork, and read.
Thank you.
Hi,
sys_open
Hi Yang,
On 13-05-17 05:21 PM, Yang Wang wrote:
It seems not this compatibility problem. I have removed all ust1.0 stuffs in
the instrumented Mariadb code and
replaced with lttng-ust 2.x say, tracepoint statements, trancepoint provider
files, probes files and use the lib -llttng-ust instead
On 13-05-11 10:59 PM, Mathieu Desnoyers wrote:
* Francis Giraldeau (francis.girald...@gmail.com) wrote:
Libraries must be specified after the binary target.
merged, thanks!
Mathieu
This seems to have broken the daily PPA packages:
Hi Daniel,
On 13-04-24 05:25 PM, Thibault, Daniel wrote:
I was fooling around with checkinstall in order to create installation
packages for lttng-modules, userspace-rcu, etc., when I ran into what seems a
very obscure bug (googling for the error message unable to create
On 13-04-18 02:11 AM, Amit Margalit wrote:
Hi,
Thank for the quick response. Here is the missing data:
UST
2.6.32.12-205 (I had to make a tiny patch to make it compile)
MemTotal: 24628852 kB
lttng-ust-2.1.2
lttng-tools-2.1.1
lttng-modules-2.1.1
babeltrace-1.1.0
On 13-04-18 01:11 PM, Mathieu Desnoyers wrote:
* Mathieu Desnoyers (mathieu.desnoy...@efficios.com) wrote:
* Alexandre Montplaisir (alexmon...@voxpopuli.im) wrote:
On 13-04-18 02:11 AM, Amit Margalit wrote:
Hi,
Thank for the quick response. Here is the missing data:
UST
2.6.32.12-205 (I
On 13-04-18 01:23 PM, Mathieu Desnoyers wrote:
* Alexandre Montplaisir (alexmon...@voxpopuli.im) wrote:
On 13-04-18 01:07 PM, Mathieu Desnoyers wrote:
* Alexandre Montplaisir (alexmon...@voxpopuli.im) wrote:
On 13-04-18 02:11 AM, Amit Margalit wrote:
Hi,
Thank for the quick response. Here
On 13-03-26 07:24 AM, Sébastien Barthélémy wrote:
I believe my kernel trace is complete, since the following command
shows no output.
$ babeltrace lttng-traces/auto-20130321-172308/kernel/ /dev/null
My userspace trace is not complete. But I believe it does not matter,
because the
Hi Daniel,
On 13-01-25 12:32 PM, Thibault, Daniel wrote:
[...]
Until this old gold bug is fixed (which looks unlikely considering its
age), maybe each package's configure.ac could be made to explicitly look into
/usr/local/lib when /lib and /usr/lib fail? Or the ReadMe files of
On 12-12-12 12:59 AM, Radhika Chowdary wrote:
Hi
I am using linuxtools plugins for importing LTTng traces. I have a trace
folder of size 400MB and when I try to import it in the Traces folder it
takes for ever to import it. At the bottom left corner I see Indexing...
Events view gets
,
--
Alexandre Montplaisir
DORSAL lab,
École Polytechnique de Montréal
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wrote:
[...]
On 10/02/2012 10:29 PM, Alexandre Montplaisir wrote:
[...]
What would you like see in your timeline representation exactly? Maybe
we could give you some pointers as to how to implement such a view.
(We're currently working on making it easy to extend the framework to
implement new
format, and that format is already supported in TMF.
Cheers,
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Alexandre Montplaisir
DORSAL lab,
École Polytechnique de Montréal
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On 12-10-01 10:59 AM, Mathieu Desnoyers wrote:
* paul.chav...@fnac.net (paul.chav...@fnac.net) wrote:
Hi.
I would like to try lttng user space traces. I've found two documentations :
- manual : http://lttng.org/files/ust/manual/ust.html
- man page :
Hi,
In your example, you are running the tracer as root (with sudo) but
your application is run by your own user. Somebody correct me if I'm
wrong, but I assume that in a case like this the root tracer will not
see the other user's applications.
Could you try running the lttng commands without
+1, Like, etc.
The following bug was opened some time ago: http://bugs.lttng.org/issues/15
From what is said in the bug, it will require both the flight-recorder
mode in the tracer, and the live-trace-reading feature in Babeltrace.
Those are not implemented yet, but they shouldn't be too far
. The 12.04 packages
probably won't work on 10.04, since the latter didn't have multiarch.
Cheers,
--
Alexandre Montplaisir
DORSAL lab,
École Polytechnique de Montréal
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of the box, but it really helps
understanding the CTF format.
Cheers,
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Alexandre Montplaisir
DORSAL lab,
École Polytechnique de Montréal
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Hi,
What steps did you use to install LTTng?
Also can you please paste the output of:
$ apt-cache policy lttng-modules-dkms
Thanks,
--
Alexandre Montplaisir
DORSAL lab,
École Polytechnique de Montréal
On 12-07-29 04:26 PM, Rui Han wrote:
Hi,
I used lttng last week and didn't touch
Hi,
I can answer your first question ;)
On 12-07-26 04:28 AM, changz wrote:
Hi all,
Is that possible to launch lttng daemons as a system service? i.e. we
can start/stop/restart it like the services under /etc/init.d.
Absolutely. Note that you only need to auto-start the lttng-sessiond.
The
On 12-07-05 01:45 AM, somanath sahoo wrote:
However i want to know how to make sure my user id present in the tracing
group ? is there any command to list or include the users into the tracing
group ? please enlightened on this.
You can use
$ cat /etc/group | grep tracing
It will list the
On 12-06-26 02:03 AM, Mathieu Desnoyers wrote:
* Alexandre Montplaisir (alexmon...@voxpopuli.im) wrote:
[...]
diff --git a/tests/hello-mt/README b/tests/hello-mt/README
new file mode 100644
index 000..0584dca
--- /dev/null
+++ b/tests/hello-mt/README
@@ -0,0 +1,11 @@
+This is a multi
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