Mathieu Desnoyers [Fri, 24 Jun 2011 02:13:37 +0000 (22:13 -0400)] 
Add check for old tracepoint kernel
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 24 Jun 2011 02:07:01 +0000 (22:07 -0400)]
update uuid wrapper
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 24 Jun 2011 02:05:44 +0000 (22:05 -0400)]
update uuid wrapper
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 24 Jun 2011 01:29:54 +0000 (21:29 -0400)]
Fix typo in uuid wrapper
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 24 Jun 2011 01:28:47 +0000 (21:28 -0400)]
Add uuid wrapper for kernels < 2.6.35
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 23 Jun 2011 21:06:11 +0000 (17:06 -0400)]
Add wait quiescent
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 23 Jun 2011 20:57:39 +0000 (16:57 -0400)]
Add wait quiescent ioctl
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 23 Jun 2011 19:40:58 +0000 (15:40 -0400)]
Add ring buffer flush ioctl
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 23 Jun 2011 15:31:12 +0000 (11:31 -0400)]
Add pid/ppid/tid/vtid/vpid/vppid contexts
Use the values returned by gettid(), getpid() and getppid() for vtid,
vpid, vppid.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 22 Jun 2011 19:56:47 +0000 (15:56 -0400)]
Don't allow enable/disable on metadata channel/events
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 22 Jun 2011 19:51:06 +0000 (15:51 -0400)]
Add enable/disable per event/channel/session (new ABI)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 11 Jun 2011 17:48:40 +0000 (13:48 -0400)]
Revert poll exclusive
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 11 Jun 2011 17:43:45 +0000 (13:43 -0400)]
Revert "Update pollwait explusive"
This reverts commit
67a00fae87ee17fd0a59c28b732347ee503fb07e.
Mathieu Desnoyers [Sat, 11 Jun 2011 17:39:30 +0000 (13:39 -0400)]
Update pollwait explusive
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 11 Jun 2011 17:19:13 +0000 (13:19 -0400)]
Merge branch 'master' of ssh://git.lttng.org/home/git/lttng-modules
Mathieu Desnoyers [Fri, 10 Jun 2011 15:20:26 +0000 (11:20 -0400)]
Add TODO for ftrace
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 9 Jun 2011 20:45:38 +0000 (16:45 -0400)]
Move splice wrapper into c file
Don't require a kallsyms lookup each time the wrapper is called.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 9 Jun 2011 20:29:22 +0000 (16:29 -0400)]
Return POLLERR if channel is disabled (error state)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 9 Jun 2011 20:00:14 +0000 (16:00 -0400)]
Add CPU hotplug notifier for ltt debugfs ABI, add pollwait exclusive wrapper
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 9 Jun 2011 18:38:33 +0000 (14:38 -0400)]
Handle perf counter's inability to setup counters before cpu is brought online
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 9 Jun 2011 17:56:33 +0000 (13:56 -0400)]
Add cpu hotplug support for perf counters
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 8 Jun 2011 21:39:46 +0000 (17:39 -0400)]
Add bug detection support for alignment header
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 8 Jun 2011 21:33:14 +0000 (17:33 -0400)]
Add field alignment support
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 8 Jun 2011 20:10:49 +0000 (16:10 -0400)]
Metadata: should write reserve_len bytes, not "len"
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sun, 5 Jun 2011 04:18:01 +0000 (00:18 -0400)]
Perf support: fix warnings
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 3 Jun 2011 20:18:44 +0000 (16:18 -0400)]
Fix perf counter test bug
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 3 Jun 2011 19:59:12 +0000 (15:59 -0400)]
Update perf counter ABI
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 3 Jun 2011 19:24:27 +0000 (15:24 -0400)]
Update licensing
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 3 Jun 2011 17:35:31 +0000 (13:35 -0400)]
Fix large event header event id
Was incorrectly writing 32-bit when reserving only 16.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 2 Jun 2011 19:41:53 +0000 (15:41 -0400)]
Remove deprecated (old) lttng files
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 2 Jun 2011 19:40:17 +0000 (15:40 -0400)]
Update licensing info
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 22:59:45 +0000 (18:59 -0400)]
Fix syscall tracing argument input
The probe code was jumping over the argument read.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 22:47:59 +0000 (18:47 -0400)]
Never re-read length for dynamic arrays
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 21:29:34 +0000 (17:29 -0400)]
Coding style cleanup fix
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 20:15:45 +0000 (16:15 -0400)]
Split vsnprintf with large number of args in two
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 20:09:45 +0000 (16:09 -0400)]
Case alignment to uint for metadata print
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 20:03:14 +0000 (16:03 -0400)]
Add missing () to metadata for sequence
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 19:01:18 +0000 (15:01 -0400)]
Prio context: fix symbol lookup
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 18:22:50 +0000 (14:22 -0400)]
Add task_prio symbol wrapper
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 18:01:10 +0000 (14:01 -0400)]
Add prio and nice contexts
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 17:55:27 +0000 (13:55 -0400)]
Add process priority (as shown in /proc) to context
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 1 Jun 2011 17:20:43 +0000 (13:20 -0400)]
Don't export lttng metadata event in event list
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 26 May 2011 03:21:36 +0000 (23:21 -0400)]
Fix context append incorrect copy length
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 26 May 2011 02:54:11 +0000 (22:54 -0400)]
Add comm context
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 26 May 2011 01:43:23 +0000 (21:43 -0400)]
Fix field ctx allocation
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 26 May 2011 01:28:34 +0000 (21:28 -0400)]
Update kernel context ABI
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 26 May 2011 01:21:05 +0000 (21:21 -0400)]
Fix too large copy of sys enter event
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 26 May 2011 00:33:50 +0000 (20:33 -0400)]
Don't print context metadata if empty
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 23:09:35 +0000 (19:09 -0400)]
Fix loop dependency
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 23:06:53 +0000 (19:06 -0400)]
Add context support with metadata description
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 22:15:38 +0000 (18:15 -0400)]
Write context fields into trace
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 21:33:56 +0000 (17:33 -0400)]
Add PID context
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 21:20:30 +0000 (17:20 -0400)]
Add context management infrastructure
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 18:57:01 +0000 (14:57 -0400)]
Return error if subbuffer size is lower than a page
... gentler than a warning and a crash.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 18:52:29 +0000 (14:52 -0400)]
Use lttng_ prefixed namespace for lttng prio heap
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 02:19:43 +0000 (22:19 -0400)]
Fix module get/put handling wrt data free (use after free)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 25 May 2011 02:18:57 +0000 (22:18 -0400)]
Tracepoint list ABI: fix initialization of anonymous file
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Alexandre Montplaisir [Tue, 24 May 2011 22:32:51 +0000 (18:32 -0400)] 
Specify the complete paths to define_trace.h
The "make" command used by DKMS does not cd into every directory like
"make modules" seems to do. This patch allows compilation for both
methods.
Signed-off-by: Alexandre Montplaisir <alexandre.montplaisir@polymtl.ca>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 17:22:35 +0000 (13:22 -0400)]
Add missing mutex to event list
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 17:09:18 +0000 (13:09 -0400)]
tp list: seq release should be used instead of seq release private
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 16:20:48 +0000 (12:20 -0400)]
Add tracepoint listing ABI
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 15:37:06 +0000 (11:37 -0400)]
Handle refcount of modules having dynamically alloc event description
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 15:36:52 +0000 (11:36 -0400)]
Change event creation errval to EINVAL
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 15:02:37 +0000 (11:02 -0400)]
Update lttng ABI
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 14:17:08 +0000 (10:17 -0400)]
Fix ftrace integration
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 13:02:07 +0000 (09:02 -0400)]
Always use module-local ring buffer
We are doing modifications currently, so don't take chances using an
externally packaged ring buffer.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 03:50:38 +0000 (23:50 -0400)]
Fix ftrace.h wrapper
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 03:48:10 +0000 (23:48 -0400)]
lttng-ftrace module can be unloaded safely
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 03:02:47 +0000 (23:02 -0400)]
Update ftrace symbol lookup
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 02:36:23 +0000 (22:36 -0400)]
Update ABI
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 02:35:05 +0000 (22:35 -0400)]
Update ABI
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 02:25:25 +0000 (22:25 -0400)]
Add function tracer ABI
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 24 May 2011 01:04:42 +0000 (21:04 -0400)]
Add heap debug option, fix heap.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 21:49:12 +0000 (17:49 -0400)]
No need to rebalance heap for insertion
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 21:37:51 +0000 (17:37 -0400)]
Fix prio heap insertion and reallocation handling
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 20:08:42 +0000 (16:08 -0400)]
Add unused attribute to prio heap parent
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 20:07:18 +0000 (16:07 -0400)]
prio heap default alloc min value fix
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 19:56:32 +0000 (15:56 -0400)]
Make prio heap dynamically sized
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 16:13:26 +0000 (12:13 -0400)]
Remove GPL heapify implementation
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 16:13:08 +0000 (12:13 -0400)]
prio heap API change (size of element)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 16:03:41 +0000 (12:03 -0400)]
Implement missing prio heap functions (MIT-licensed)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 15:28:58 +0000 (11:28 -0400)]
Remove GPL code from prio_heap
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 23 May 2011 14:58:06 +0000 (10:58 -0400)]
Fix extended header bug
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sun, 22 May 2011 15:56:51 +0000 (11:56 -0400)]
Update ring buffer and pretty print
Now enforce using module-local lib ring buffer (there are changes that
require it).
Pretty print array and dynamic array containing text.
Handle large event count.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sun, 22 May 2011 14:04:47 +0000 (10:04 -0400)]
Comment buffer creation behavior wrt packet headers
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sun, 22 May 2011 05:16:50 +0000 (01:16 -0400)]
Write event header
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sun, 22 May 2011 04:56:10 +0000 (00:56 -0400)]
Fix metadata header
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 22:02:01 +0000 (18:02 -0400)]
Fix metadata
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 20:42:36 +0000 (16:42 -0400)]
Fix metadata, change ABI (for better future extensibility)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 19:19:57 +0000 (15:19 -0400)]
update metadata formatting
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 19:13:32 +0000 (15:13 -0400)]
LTTng metadata fix
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 17:45:43 +0000 (13:45 -0400)]
Fix teardown event vs session
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 17:08:26 +0000 (13:08 -0400)]
Fix metadata event arg (null pointer exception)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 16:27:50 +0000 (12:27 -0400)]
kprobes and ftrace support build fixes
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 16:27:06 +0000 (12:27 -0400)]
Set metadata pointer earlier
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 01:33:54 +0000 (21:33 -0400)]
LTTng performance monitoring counters integration (work in progress)
Integrate with Perf counters. Adds context fields to the events
recorded. Currently, cpu hotplug is still not supported, and the
callbacks are not called from the tracing code. It gives the rough idea
how to add context fields to events on either:
- per trace session
- per stream class
- per event type
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 21 May 2011 00:59:00 +0000 (20:59 -0400)]
Take care of units in description for ftrace and kprobes
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 20 May 2011 23:40:09 +0000 (19:40 -0400)]
lttng kprobes/ftrace integration: fix memleak
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 20 May 2011 23:17:48 +0000 (19:17 -0400)]
Fix !CONFIG_KPROBES config
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 19 May 2011 21:21:16 +0000 (17:21 -0400)]
Add units to debugfs abi header
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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