Re: [Qemu-devel] [PATCH] trace: teach lttng backend to use format strings

I can confirm that it works for me, I can see the disk image file name in the payload of brdv_open_common events. Mohamad On 03/26/2014 04:27 AM, Stefan Hajnoczi wrote: On Tue, Mar 25, 2014 at 02:49:42PM +, Alex Bennée wrote: Stefan Hajnoczi stefa...@redhat.com writes: On Mon, Mar 24,

Re: [Qemu-devel] [PATCH v6 0/5] Fix UST backend for LTTng 2.x

On 01/30/2014 09:02 AM, Stefan Hajnoczi wrote: Thanks for your efforts to bring the LTTng UST tracer back to life! Applied to my tracing tree: https://github.com/stefanha/qemu/commits/tracing Stefan Great, thank you! Mohamad

[Qemu-devel] [PATCH v6 0/5] Fix UST backend for LTTng 2.x

Version 6 * Move ust specific code from tracetool/backend/events.py to tracetool/backend/ust.py Mohamad Gebai (5): Fix configure script for LTTng 2.x Modified the tracetool framework for LTTng 2.x Adapt Makefiles to the new LTTng ust interface Update documentation for LTTng ust tracing

[Qemu-devel] [PATCH v6 2/5] Modified the tracetool framework for LTTng 2.x

-by: Mohamad Gebai mohamad.ge...@polymtl.ca Reviewed-by: Alex Bennée a...@bennee.com --- scripts/tracetool/backend/ust.py | 101 ++- scripts/tracetool/format/ust_events_c.py | 30 + scripts/tracetool/format/ust_events_h.py | 57 + 3 files changed

[Qemu-devel] [PATCH v6 1/5] Fix configure script for LTTng 2.x

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- configure | 20 +++- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/configure b/configure index b472694..2a14014 100755 --- a/configure +++ b/configure @@ -3365,15 +3365,25 @@ fi # For 'ust' backend, test

[Qemu-devel] [PATCH v6 3/5] Adapt Makefiles to the new LTTng ust interface

Add generation of new files for LTTng ust. Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- Makefile| 5 + trace/Makefile.objs | 25 + 2 files changed, 30 insertions(+) diff --git a/Makefile b/Makefile index bdff4e4..ca51193 100644

[Qemu-devel] [PATCH v6 4/5] Update documentation for LTTng ust tracing

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- docs/tracing.txt | 36 1 file changed, 36 insertions(+) diff --git a/docs/tracing.txt b/docs/tracing.txt index bfc261b..bf2e15c 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -214,6 +214,42

[Qemu-devel] [PATCH v6 5/5] Add ust generated files to .gitignore

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca Reviewed-by: Alex Bennée a...@bennee.com --- .gitignore | 2 ++ 1 file changed, 2 insertions(+) diff --git a/.gitignore b/.gitignore index 1c9d63d..bed8dcf 100644 --- a/.gitignore +++ b/.gitignore @@ -10,6 +10,8 @@ trace/generated-tracers

Re: [Qemu-devel] [PATCH v5 0/5] Fix UST backend for LTTng 2.x

Ping. I just wanted to know the status of this patch. Thanks On 11/04/2013 11:41 AM, Alex Bennée wrote: mohamad.ge...@gmail.com writes: Version 5 * Use pkg-config for lttng-ust and urcu-bp libraries in configure (hard-coded libraries as a fallback) * s/Qemu/QEMU in docs/tracing.txt *

Re: [Qemu-devel] [PATCH v5 1/5] Fix configure script for LTTng 2.x

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- snip Tested on Ubuntu 12.04 with and without the LTTNG PPA and seems to work well enough. Reviewed-by: Alex Bennée a...@bennee.com Yes, the bug is actually only in the Ubuntu package (missing liburcu*.pc files). It is fixed

Re: [Qemu-devel] [PATCH v5 1/5] Fix configure script for LTTng 2.x

On 10/25/2013 10:33 AM, Alex Bennée wrote: mohamad.ge...@polymtl.ca writes: Yes, the bug is actually only in the Ubuntu package (missing liburcu*.pc files). It is fixed everywhere else, including the LTTng PPA. There is a bug report about it on Launchpad. Either ways, this fall back avoids

[Qemu-devel] [PATCH v5 1/5] Fix configure script for LTTng 2.x

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- configure | 20 +++- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/configure b/configure index 57ee62a..f20ceaa 100755 --- a/configure +++ b/configure @@ -3284,15 +3284,25 @@ fi # For 'ust' backend, test

[Qemu-devel] [PATCH v5 5/5] Add ust generated files to .gitignore

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca Reviewed-by: Alex Bennée a...@bennee.com --- .gitignore | 2 ++ 1 file changed, 2 insertions(+) diff --git a/.gitignore b/.gitignore index 8e1b73f..e024a76 100644 --- a/.gitignore +++ b/.gitignore @@ -9,6 +9,8 @@ trace/generated-tracers

[Qemu-devel] [PATCH v5 0/5] Fix UST backend for LTTng 2.x

Version 5 * Use pkg-config for lttng-ust and urcu-bp libraries in configure (hard-coded libraries as a fallback) * s/Qemu/QEMU in docs/tracing.txt * Better dependencies for ust-generated files in trace/Makefile.obj Mohamad Gebai (5): Fix configure script for LTTng 2.x Modified

[Qemu-devel] [PATCH v5 4/5] Update documentation for LTTng ust tracing

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- docs/tracing.txt | 36 1 file changed, 36 insertions(+) diff --git a/docs/tracing.txt b/docs/tracing.txt index bfc261b..bf2e15c 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -214,6 +214,42

[Qemu-devel] [PATCH v5 3/5] Adapt Makefiles to the new LTTng ust interface

Add generation of new files for LTTng ust. Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- Makefile| 5 + trace/Makefile.objs | 25 + 2 files changed, 30 insertions(+) diff --git a/Makefile b/Makefile index b15003f..7935d9b 100644

[Qemu-devel] [PATCH v5 2/5] Modified the tracetool framework for LTTng 2.x

-by: Mohamad Gebai mohamad.ge...@polymtl.ca Reviewed-by: Alex Bennée a...@bennee.com --- scripts/tracetool/backend/events.py | 44 + scripts/tracetool/backend/ust.py | 82 +++- scripts/tracetool/format/ust_events_c.py | 30 scripts

Re: [Qemu-devel] [PATCH v4 1/5] Fix configure script for LTTng 2.x

On 13-10-18 10:05 AM, Stefan Hajnoczi wrote: On Fri, Oct 18, 2013 at 02:39:49AM -0400, Mohamad Gebai wrote: Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- configure |9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/configure b/configure index 23dbaaf

Re: [Qemu-devel] [RFC PATCH v3 4/5] Update documentation for LTTng ust tracing

On 13-10-17 05:20 AM, Alex Bennée wrote: mohamad.ge...@polymtl.ca writes: On 13-10-16 08:05 AM, Alex Bennée wrote: Running this gives me: quote UST events: - None /quote Before or after running qemu. What is the mechanism lttng expects to find out all these events? Either the

[Qemu-devel] [PATCH v4 1/5] Fix configure script for LTTng 2.x

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- configure |9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/configure b/configure index 23dbaaf..627054c 100755 --- a/configure +++ b/configure @@ -3287,15 +3287,14 @@ fi # For 'ust' backend, test if ust

[Qemu-devel] [PATCH v4 0/5] Fix UST backend for LTTng 2.x

Version 4 * Update documentation Mohamad Gebai (5): Fix configure script for LTTng 2.x Modified the tracetool framework for LTTng 2.x. Adapt Makefiles to the new LTTng ust interface. Update documentation for LTTng ust tracing Add ust generated files to .gitignore .gitignore

[Qemu-devel] [PATCH v4 2/5] Modified the tracetool framework for LTTng 2.x.

-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- scripts/tracetool/backend/events.py | 44 scripts/tracetool/backend/ust.py | 82 ++ scripts/tracetool/format/ust_events_c.py | 30 +++ scripts/tracetool/format/ust_events_h.py | 57

[Qemu-devel] [PATCH v4 3/5] Adapt Makefiles to the new LTTng ust interface.

Add generation of new files for LTTng ust. Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- Makefile|5 + trace/Makefile.objs | 29 +++-- 2 files changed, 32 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 60fb87e

[Qemu-devel] [PATCH v4 4/5] Update documentation for LTTng ust tracing

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- docs/tracing.txt | 36 1 file changed, 36 insertions(+) diff --git a/docs/tracing.txt b/docs/tracing.txt index bfc261b..d7be2fd 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -214,6 +214,42

[Qemu-devel] [PATCH v4 5/5] Add ust generated files to .gitignore

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- .gitignore |2 ++ 1 file changed, 2 insertions(+) diff --git a/.gitignore b/.gitignore index 8e1b73f..e024a76 100644 --- a/.gitignore +++ b/.gitignore @@ -9,6 +9,8 @@ trace/generated-tracers-dtrace.h trace/generated-tracers.dtrace

Re: [Qemu-devel] [RFC PATCH v3 4/5] Update documentation for LTTng ust tracing

On 13-10-16 08:05 AM, Alex Bennée wrote: Running this gives me: quote UST events: - None /quote Before or after running qemu. What is the mechanism lttng expects to find out all these events? Either the user should belong the group tracing, or launch the lttng-sessiond daemon

Re: [Qemu-devel] [RFC PATCH v3 3/5] Adapt Makefiles to the new LTTng ust interface.

On 13-10-16 08:08 AM, Alex Bennée wrote: Add generation of new files for LTTng ust. Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca snip I did run into problems with the first build which were solved with a make clean. But I suspect making the Makefile robust to that is more effort than

Re: [Qemu-devel] [RFC PATCH v3 4/5] Update documentation for LTTng ust tracing

Running this gives me: quote UST events: - None /quote Before or after running qemu. What is the mechanism lttng expects to find out all these events? Either the user should belong the group tracing, or launch the lttng-sessiond daemon (lttng-sessiond -d). + +Create

[Qemu-devel] [RFC PATCH] Update documentation for LTTng ust tracing

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- docs/tracing.txt | 31 +++ 1 file changed, 31 insertions(+) diff --git a/docs/tracing.txt b/docs/tracing.txt index bfc261b..cbb3aaf 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -214,6 +214,37

Re: [Qemu-devel] [RFC PATCH v2 0/3] Fix UST backend for LTTng 2.x

a...@bennee.com Mohamad Mohamad Gebai (3): Fix configure script for LTTng 2.x Modified the tracetool framework for LTTng 2.x. Adapt Makefiles to the new LTTng ust interface. Makefile |5 ++ configure|9 ++-- scripts

[Qemu-devel] [RFC PATCH v3 1/5] Fix configure script for LTTng 2.x

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- configure |9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/configure b/configure index 23dbaaf..627054c 100755 --- a/configure +++ b/configure @@ -3287,15 +3287,14 @@ fi # For 'ust' backend, test if ust

[Qemu-devel] [RFC PATCH v3 4/5] Update documentation for LTTng ust tracing

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- docs/tracing.txt | 31 +++ 1 file changed, 31 insertions(+) diff --git a/docs/tracing.txt b/docs/tracing.txt index bfc261b..64683db 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -214,6 +214,37

[Qemu-devel] [RFC PATCH v3 0/5] Fix UST backend for LTTng 2.x

Version 3 * Change component name to avoid potential namespace collision with another project. * Update ust documentation in docs/tracing.txt. * Add ust generated files to .gitignore. Mohamad Gebai (5): Fix configure script for LTTng 2.x Modified the tracetool framework for LTTng 2.x

[Qemu-devel] [RFC PATCH v3 5/5] Add ust generated files to .gitignore

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- .gitignore |2 ++ 1 file changed, 2 insertions(+) diff --git a/.gitignore b/.gitignore index 8e1b73f..e024a76 100644 --- a/.gitignore +++ b/.gitignore @@ -9,6 +9,8 @@ trace/generated-tracers-dtrace.h trace/generated-tracers.dtrace

[Qemu-devel] [RFC PATCH v3 2/5] Modified the tracetool framework for LTTng 2.x.

-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- scripts/tracetool/backend/events.py | 44 scripts/tracetool/backend/ust.py | 82 ++ scripts/tracetool/format/ust_events_c.py | 30 +++ scripts/tracetool/format/ust_events_h.py | 57

[Qemu-devel] [RFC PATCH v3 3/5] Adapt Makefiles to the new LTTng ust interface.

Add generation of new files for LTTng ust. Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- Makefile|5 + trace/Makefile.objs | 29 +++-- 2 files changed, 32 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 60fb87e

[Qemu-devel] [RFC PATCH v2 3/3] Adapt Makefiles to the new LTTng ust interface.

Add generation of new files for LTTng ust. Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- Makefile|5 + trace/Makefile.objs | 29 +++-- 2 files changed, 32 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 60fb87e

[Qemu-devel] [RFC PATCH v2 0/3] Fix UST backend for LTTng 2.x

Mohamad Gebai (3): Fix configure script for LTTng 2.x Modified the tracetool framework for LTTng 2.x. Adapt Makefiles to the new LTTng ust interface. Makefile |5 ++ configure|9 ++-- scripts/tracetool/backend

[Qemu-devel] [RFC PATCH v2 2/3] Modified the tracetool framework for LTTng 2.x.

-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- scripts/tracetool/backend/events.py | 44 scripts/tracetool/backend/ust.py | 82 ++ scripts/tracetool/format/ust_events_c.py | 30 +++ scripts/tracetool/format/ust_events_h.py | 57

[Qemu-devel] [RFC PATCH v2 1/3] Fix configure script for LTTng 2.x

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- configure |9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/configure b/configure index 23dbaaf..627054c 100755 --- a/configure +++ b/configure @@ -3287,15 +3287,14 @@ fi # For 'ust' backend, test if ust

[Qemu-devel] [RFC PATCH 1/3] Fix configure script for LTTng 2.x

Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- configure |9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/configure b/configure index 05e16da..b3c9b80 100755 --- a/configure +++ b/configure @@ -3283,15 +3283,14 @@ fi # For 'ust' backend, test if ust

[Qemu-devel] [RFC PATCH 3/3] Adapt Makefiles to the new LTTng ust interface.

Add generation of new files for LTTng ust. Signed-off-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- Makefile|5 + trace/Makefile.objs | 29 +++-- 2 files changed, 32 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 60fb87e

[Qemu-devel] [RFC PATCH 0/3] Fix UST backend for LTTng 2.x

into multiple providers. Of course, this would require more modifications as well as a way to specify to which provider each tracepoint belongs in file trace-events. Mohamad Mohamad Gebai (3): Fix configure script for LTTng 2.x Modified the tracetool framework for LTTng 2.x. Adapt Makefiles

[Qemu-devel] [RFC PATCH 2/3] Modified the tracetool framework for LTTng 2.x.

-by: Mohamad Gebai mohamad.ge...@polymtl.ca --- scripts/tracetool/backend/events.py | 44 scripts/tracetool/backend/ust.py | 82 ++ scripts/tracetool/format/ust_events_c.py | 30 +++ scripts/tracetool/format/ust_events_h.py | 39

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

: On Wed, Sep 25, 2013 at 12:34:26PM -0400, Mohamad Gebai wrote: 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

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

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.