[lttng-dev] [PATCH] trace: drop LTTng Userspace Tracer backend

2013-09-25 Thread Stefan Hajnoczi
The current LTTng Userspace Tracer backend does not build against modern libraries. LTTng has changed the library ABI several times, making it difficult to support this backend. Due to lack of users, remove this trace backend until someone turns up who is willing to actively maintain it.

[lttng-dev] Tracing page waits with LTTng 2.3.0

2013-09-25 Thread Steffen, Kai-Uwe (Kai-Uwe)
Hi. Currently I'm working with LTTng 2.3.0 for Ubuntu 12.4, to see if this version would meet our requirements. With old LTT and LTTng 0.x it was possible to trace page waits. Tracepoints were called Page Wait for LTT and buffer_wait_start buffer_wait_end for LTTng 0.x. Now I looked for the

[lttng-dev] Compilation error with openwrt and uclibc 0.9.31

2013-09-25 Thread Arthur LAMBERT
Hi, I am using backfire version of Openwrt and would like to try to use profiling features bring by tools like lttng. I found some Makefile packages on openwrt website to build lttng-tools and lttng-ust with recent version of openwrt version but I am not able to compile lttng without error.

Re: [lttng-dev] snapshot issue in lttng 2.3.0

2013-09-25 Thread Thibault, Daniel
Date: Tue, 24 Sep 2013 13:42:44 -0700 (PDT) From: Thuya Aung thuyaaung2...@yahoo.com With lttng 2.3.0 in Ubuntu 12.04 LTS, I only get the tracepoints in kernel folder with snapshot mode. I do not see anything for userspace tracepoints. I've tried setting the UST as --buffers-pid, and also

Re: [lttng-dev] snapshot issue in lttng 2.3.0

2013-09-25 Thread Thibault, Daniel
Date: Tue, 24 Sep 2013 13:42:44 -0700 (PDT) From: Thuya Aung thuyaaung2...@yahoo.com With lttng 2.3.0 in Ubuntu 12.04 LTS, I only get the tracepoints in kernel folder with snapshot mode. I do not see anything for userspace tracepoints. The following is the way I setup for lttng session

[lttng-dev] [PATCH lttng-tools] Fix typo in lttng snapshot add-output example of lttng(1)

2013-09-25 Thread Christian Babeux
Signed-off-by: Christian Babeux christian.bab...@efficios.com --- doc/man/lttng.1 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/man/lttng.1 b/doc/man/lttng.1 index 57c89f0..659a27c 100644 --- a/doc/man/lttng.1 +++ b/doc/man/lttng.1 @@ -742,7 +742,7 @@ size will override

Re: [lttng-dev] [PATCH lttng-tools] Fix typo in lttng snapshot add-output example of lttng(1)

2013-09-25 Thread David Goulet
Merged! Christian Babeux: Signed-off-by: Christian Babeux christian.bab...@efficios.com --- doc/man/lttng.1 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/man/lttng.1 b/doc/man/lttng.1 index 57c89f0..659a27c 100644 --- a/doc/man/lttng.1 +++ b/doc/man/lttng.1 @@

Re: [lttng-dev] Compilation error with openwrt and uclibc 0.9.31

2013-09-25 Thread Jérémie Galarneau
On Wed, Sep 25, 2013 at 7:06 AM, Arthur LAMBERT arthur.lamb...@sagemcom.com wrote: Hi, I am using backfire version of Openwrt and would like to try to use profiling features bring by tools like lttng. I found some Makefile packages on openwrt website to build lttng-tools and lttng-ust with

Re: [lttng-dev] [PATCH] trace: drop LTTng Userspace Tracer backend

2013-09-25 Thread Mohamad Gebai
Hi Stefan, I am actually using LTTng 2.x as a backend for UST to do some performance analysis and latency investigation using Qemu/KVM. I already have all the patches ready to replace the old 0.x interface, and I am preparing them for the merge upstream.

[lttng-dev] lttng snapshots and running traces

2013-09-25 Thread Thibault, Daniel
Conversely, if the session daemon catches up to the consumer daemon during an 'lttng snapshot record' action, what happens? Does the session daemon wait for the consumer to be done? Does the session daemon force the consumer to wrap up prematurely? (Assuming flight recorder mode, of