David Goulet [Thu, 21 Jul 2011 16:07:43 +0000 (12:07 -0400)]
Improve add-context command
Better multiple context type handling using a linked list at args
parsing.
Change some error message.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 21 Jul 2011 14:47:55 +0000 (10:47 -0400)]
Update and add to the quickstart guide
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 21:18:58 +0000 (17:18 -0400)]
Merge branch 'master' of git://git.lttng.org/lttng-tools
David Goulet [Wed, 20 Jul 2011 21:18:07 +0000 (17:18 -0400)]
Rename binary installation path define
INSTALL_PATH --> INSTALL_BIN_PATH
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Mathieu Desnoyers [Wed, 20 Jul 2011 21:11:51 +0000 (17:11 -0400)]
Fix double-unlock in kconsumerd_find_session_fd()
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
David Goulet [Wed, 20 Jul 2011 20:40:41 +0000 (16:40 -0400)]
Fix error handling
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Simon Marchi [Wed, 20 Jul 2011 19:31:49 +0000 (15:31 -0400)]
Remove format strings warnings when compiling on 32 bits
On 32 bits, %lu expects a 32 bits integer, so changed some %lu for PRIu64 when printing a 64 bits integer.
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 20:17:29 +0000 (16:17 -0400)]
Use install path for exec()
Add INSTALL_PATH define for binary execution path.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 19:47:11 +0000 (15:47 -0400)]
Fix set but no use variables warnings
Shown with gcc >= 4.6.0
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 16:38:53 +0000 (12:38 -0400)]
Update version to 2.0-pre1
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 16:18:59 +0000 (12:18 -0400)]
Update authors
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 15:39:36 +0000 (11:39 -0400)]
Change bzip2 for dist tarball
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 15:38:31 +0000 (11:38 -0400)]
Fix session trace output message
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 15:28:34 +0000 (11:28 -0400)]
Add usage section to README
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 15:07:31 +0000 (11:07 -0400)]
Fix README and add doc to tarball
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 14:23:16 +0000 (10:23 -0400)]
Fix build system for valid make dist
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 20 Jul 2011 13:41:49 +0000 (09:41 -0400)]
Remove debug mode at kconsumerd exec
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 22:14:08 +0000 (18:14 -0400)]
Fix wrong spacing
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 21:55:58 +0000 (17:55 -0400)]
Fix invalid channel creation
Also add a message when all events are successfully enabled.
Reported-by: Simon Marchi <simon.marchi@ericsson.com>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Julien Desfossez [Sun, 17 Jul 2011 16:46:08 +0000 (12:46 -0400)]
Make the receiving thread non blocking
Avoids the risk of blocking indefinitely on the command socket when the
ltt-sessiond is not available and allow the signal handler to stop the
process when necessary.
Signed-off-by: Julien Desfossez <julien.desfossez@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 21:49:02 +0000 (17:49 -0400)]
Change licensing
Public API lttng.h and liblttngctl.c is licensed LGPLv2.1.
The rest of the code is licensing GPLv2 and NOT later.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 21:17:25 +0000 (17:17 -0400)]
Change lttng.h API char to const char
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 20:47:58 +0000 (16:47 -0400)]
New public API for lttng control
Introduce the lttng domain that is used to identify the tracer.
Remove all 'kernel' from the functions name and now take the domain
struct as first parameter.
Add channel feature is removed and merged with enable-channel.
Move kernel specific data structure from lttng.h to lttng-kernel.h which
is copied from the LTTng kernel modules ABI. Genereic structures are
used to create a generic view of lttng event and attributes (agnostif of
the Kernel and user-space).
Default channel is NOT created unless it is needed.
A lot of comments has been added to lttng.h
Fix a bug in the liblttngctl. A return value was not set correctly.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 14:57:49 +0000 (10:57 -0400)]
Remove connect/disconnect sessiond from lttng API
Those actions are made internally when a command to the session daemon
is done so no need for them to be public.
Move code around to make things clearer and fit static declaration.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Mathieu Desnoyers [Mon, 18 Jul 2011 15:43:52 +0000 (11:43 -0400)]
quickstart guide review
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
David Goulet [Mon, 18 Jul 2011 14:50:47 +0000 (10:50 -0400)]
Makes kprobe attribute specific to kernel
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 14:37:48 +0000 (10:37 -0400)]
Fix tracing events data structure
Make lttng_kernel_output generic to user-space and kernel becoming
lttng_event_output.
Renaming enum to fit kernel ABI.
Add comments.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 00:34:02 +0000 (20:34 -0400)]
Remove libustctl and libustcomm
Those libs are part of the soon to be deprecated user-space tracer. The
code is removed but not the directories and Makefile.am.
lttng-tools will only support UST 2.0 which is not yet released at this
point in time. Thus, this is not useful anymore and will be readded
later on to support the new user-space tracer.
Also disable a small portion of code in the session daemon that uses
libustctl. This code however remains relevant for future UST
integration.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 00:26:45 +0000 (20:26 -0400)]
Remove not working test
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 18 Jul 2011 00:21:45 +0000 (20:21 -0400)]
Add quick start tracing guide
First draft of a quick start guide. For now, there is only the kernel
tracing guide since ust 2.0 is not released at this point.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sun, 17 Jul 2011 23:43:33 +0000 (19:43 -0400)]
Add session daemon model RFC
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sun, 17 Jul 2011 23:35:20 +0000 (19:35 -0400)]
Add short option for no sessiond feature
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sun, 17 Jul 2011 17:10:44 +0000 (13:10 -0400)]
Add error message if event not found
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sun, 17 Jul 2011 17:04:14 +0000 (13:04 -0400)]
Fix return code to 0 on success and 1 on error
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sun, 17 Jul 2011 16:50:25 +0000 (12:50 -0400)]
Fix session list locking
The session list lock was not used correctly when a client requested the
session list. The session counter and iteration over the list is
protected by a single critical section now.
Move get_lttng_sessions to the main.c in order to remove lttng.h
dependency to session.c/.h and to make easier for the session list
locking.
Remove the get_session_count which is useless since the counter is now
in the session list structure. Access the counter by locking the list
and reading 'count'.
This adds two function to lock and unlock the session list.
Reported-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sun, 17 Jul 2011 16:23:54 +0000 (12:23 -0400)]
Fix bad cleanup of context structure
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sat, 16 Jul 2011 22:22:16 +0000 (18:22 -0400)]
Fix bad exit conditions
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sat, 16 Jul 2011 22:05:32 +0000 (18:05 -0400)]
Clean exit cleanup of the session daemon
Remove the pthread_cancel and introduce the *thread_quit_pipe* that is
used to tell a thread that it should exit cleanly. This pipe is added to
the pollfd set of the thread and has to be close in order to trigger the
clean exit of the threads.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sat, 16 Jul 2011 19:51:11 +0000 (15:51 -0400)]
Add version command
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sat, 16 Jul 2011 19:36:53 +0000 (15:36 -0400)]
Force to specify the type with add-context
-t, --type must be used or the help shows up. Also allowed multiple -t
to enable multiple context with one command.
Fix a memory leak.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sat, 16 Jul 2011 19:22:24 +0000 (15:22 -0400)]
Add comment for the session list lock
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Sat, 16 Jul 2011 19:13:55 +0000 (15:13 -0400)]
Fix double mutex unlock
Reported-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Mathieu Desnoyers [Sat, 16 Jul 2011 16:06:21 +0000 (12:06 -0400)]
lttng command line UI: fix allocation/free
Freeing non-dynamically allocated memory is never a good idea.
Also fixing 2 memory leaks.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
David Goulet [Fri, 15 Jul 2011 23:53:09 +0000 (19:53 -0400)]
Fix missing value
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Fri, 15 Jul 2011 23:11:07 +0000 (19:11 -0400)]
Add locking for all session data structure
The session daemon is single threaded when processing client command
however the CPU hotplug thread was introduced and uses a lot of session
data structure that are now protected by pthread mutex with this commit.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 14 Jul 2011 17:19:49 +0000 (13:19 -0400)]
Add CPU hotplug support
This introduce a new thread to the session daemon that poll() on all
channel's fd for an event which indicate a new CPU.
If an even is catched, new streams are created for all channels of all
tracing sessions and kernel consumers are updated.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Fri, 15 Jul 2011 20:27:42 +0000 (16:27 -0400)]
Remove useless kernel session counter
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Fri, 15 Jul 2011 20:22:13 +0000 (16:22 -0400)]
Remove dependency on libuuid
The session name is unique across all sessions so no need to use UUIDs
from libuuid anymore.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Julien Desfossez [Fri, 15 Jul 2011 19:05:00 +0000 (15:05 -0400)]
Fix locking dependency problem
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Julien Desfossez <julien.desfossez@polymtl.ca>
Mathieu Desnoyers [Thu, 14 Jul 2011 22:02:13 +0000 (18:02 -0400)]
kconsumerd: signals should only set flag and write into pipe (part 1)
Simplify signal reception. Left todo.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 14 Jul 2011 21:31:19 +0000 (17:31 -0400)]
Locking fix.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
David Goulet [Thu, 14 Jul 2011 20:13:45 +0000 (16:13 -0400)]
Fix mutex unprotected list
Reported-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 14 Jul 2011 20:01:37 +0000 (16:01 -0400)]
Add a check for duplicate session fd
Signed-off-by: David Goulet <dgoulet@ev0ke.net>
David Goulet [Thu, 7 Jul 2011 18:26:02 +0000 (14:26 -0400)]
Parse kprobe options with enable-event
Address or offset can be specified in base 8 (beginning with 0), base 10
and base 16 (beginning with 0x).
Signed-off-by: David Goulet <dgoulet@ev0ke.net>
David Goulet [Thu, 7 Jul 2011 17:36:28 +0000 (13:36 -0400)]
Add new kernel consumer name to gitignore
Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Julien Desfossez [Thu, 7 Jul 2011 15:11:38 +0000 (11:11 -0400)]
Rename kconsumerd to ltt-kconsumerd
Avoid the confusion with a kernel thread in the process list.
Signed-off-by: Julien Desfossez <julien.desfossez@polymtl.ca>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Julien Desfossez [Thu, 7 Jul 2011 15:11:37 +0000 (11:11 -0400)]
Create a library for the kernel consumer
Kconsumerd functionnalities has been extracted to a library to allow
external tools to implement the kernel consumer functions.
Kconsumerd is now a daemon using the library, everything works as
before for this particular case.
Signed-off-by: Julien Desfossez <julien.desfossez@polymtl.ca>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 7 Jul 2011 15:18:01 +0000 (11:18 -0400)]
Fix segfault on free() pointer
Reported-by: Julien Desfossez <julien.desfossez@polymtl.ca>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Simon Marchi [Wed, 6 Jul 2011 13:25:42 +0000 (09:25 -0400)]
Add list-commands and list-options to lttng ui
Those commands are mostly for bash auto completion and does not require
heavy parsing for that matter.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 7 Jul 2011 14:29:19 +0000 (10:29 -0400)]
Add detection of debugfs and kernel module loading
The session daemon now detects the path of the debugfs mount point or
create and mount it at a default location (/mnt/debugfs).
Then, the kernel module are loaded automatically, if present, and the
kernel tracer fd is opened at the previous detected debugfs path.
The kernel module list is hardcoded for now.
NOTE: There is no module unload at the session daemon cleanup. This is
to avoid removing tracing capabilities when a trace is ongoing and
written to disk.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 7 Jul 2011 13:53:12 +0000 (09:53 -0400)]
Remove unused header file
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 7 Jul 2011 13:52:07 +0000 (09:52 -0400)]
Disable user-space tracer control
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 6 Jul 2011 18:02:21 +0000 (14:02 -0400)]
Fix missing tracing group when UID=0
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 6 Jul 2011 17:47:37 +0000 (13:47 -0400)]
Change configuration file and trace output dir
The configuration file containing the session name information is now at
the HOME location and named ".lttngrc".
The trace output directory is now at the HOME location and named
"lttng-traces" containing the traces of each sessions identified by the
top level directory called "session_name-date-time".
Also fix the metadata's path that was pointing to the old default path
in /tmp/lttng.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 30 Jun 2011 21:20:06 +0000 (17:20 -0400)]
Add set session command to lttng cli
This command change the session name in the config file of the config
directory (.lttng).
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 30 Jun 2011 20:53:59 +0000 (16:53 -0400)]
Add session name option to all command
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 30 Jun 2011 20:39:33 +0000 (16:39 -0400)]
Overwrite the config file on create session
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 30 Jun 2011 20:33:04 +0000 (16:33 -0400)]
Don't remove the config directory on destroy
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 30 Jun 2011 19:39:59 +0000 (15:39 -0400)]
Improve trace output path and config path
Now, the default config directory is placed in the home directory and
the trace output directory is set inside that config directory with name
being the session name with date and time.
Add get home functio to utils.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 30 Jun 2011 16:34:57 +0000 (12:34 -0400)]
Fix comments spacing
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 30 Jun 2011 16:20:03 +0000 (12:20 -0400)]
Add utils.c and recursive mkdir function
This fixes the channel path that was wrong. Each channel has now it's
own trace name file using the channel name.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Mathieu Desnoyers [Thu, 30 Jun 2011 15:18:23 +0000 (11:18 -0400)]
default channel selection cleanup
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 30 Jun 2011 15:10:35 +0000 (11:10 -0400)]
lttng.h cleanup
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Julien Desfossez [Wed, 29 Jun 2011 21:03:24 +0000 (17:03 -0400)]
Consume with mmap if enabled
Signed-off-by: Julien Desfossez <julien.desfossez@polymtl.ca>
Julien Desfossez [Wed, 29 Jun 2011 21:03:23 +0000 (17:03 -0400)]
Add channel output method selection
Sync with kernel code to select the output mode between splice and mmap.
Splice remains the default method.
Signed-off-by: Julien Desfossez <julien.desfossez@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 22:07:12 +0000 (18:07 -0400)]
Fix infinite loop when enabling all events
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 22:05:06 +0000 (18:05 -0400)]
Fix possible null pointer
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 21:23:26 +0000 (17:23 -0400)]
Add kernel context support
At this point, all context types and perf IDs are hardcoded in the usage
function of the add-context command. Future works will remove them and
port them into the code tree.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 18:47:18 +0000 (14:47 -0400)]
Add disable kernel channel support
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 18:21:21 +0000 (14:21 -0400)]
Add enable kernel channel support
Fix a null pointer dereference in the kernel session teardown.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 17:56:29 +0000 (13:56 -0400)]
Add disable all support and fix enable all
Disable all kernel events support.
Fix the enable all kernel events that was not doing the right thing
considering the previous changes in the latest commits.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 17:27:09 +0000 (13:27 -0400)]
Add enable kernel event using the enable ioctl
Two helper functions are added which are get an event by name and a
channel by name.
The disable and enable event command was modified to use these two
functions.
Overall, it's now possible to enable/disable at will kernel events.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 16:49:50 +0000 (12:49 -0400)]
Fix comment
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 29 Jun 2011 16:48:35 +0000 (12:48 -0400)]
Add disable kernel event support
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 27 Jun 2011 20:36:27 +0000 (16:36 -0400)]
Add FD_CLOEXEC option to all anonymous FDs
Upon execlp() some anonymous file descriptors from the kernel tracer
could be dup and thus making the refcount always > 1 on the lttng kernel
tracer side.
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 27 Jun 2011 20:36:22 +0000 (16:36 -0400)]
Fix possible error on close
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 27 Jun 2011 19:21:45 +0000 (15:21 -0400)]
Rename and add missing header file
Rename config.c/.h to conf.* to avoid confusion with the autogenerated
config.h from autoconf.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Mon, 27 Jun 2011 19:19:31 +0000 (15:19 -0400)]
Add kernel context ioctl
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 15 Jun 2011 21:29:58 +0000 (17:29 -0400)]
Major changes
ltt-sessiond
-------------
Change command type to add the LTTNG_ prefix. Only kernel command at
this point working with the new kernel tracer lttng 2.0.
Adds support for the default channel.
Kernel tracer session, metadata and streams opening are now handled by
the session daemon by removing the public commands for those options.
This means that the public API of lttng-tools DO NOT permit to control
these three actions anymore.
Adds ulimit setting for open files (65535) for sessiond running as
UID=0.
lttng.h
-------------
As mention before, create_session, create_stream and open_metadata is
removed from the public API.
UUIDs are not exposed anymore by the API. Everything is done with the
session name.
New lttng event structure added in order to support kernel tracepoints,
kprobes and function tracer.
New lttng channel structure to create a kernel channel. Add the lttng
channel attribute structure also where to put the channel attributes.
libkernelctl
-------------
Adds flush buffer function and wait quiescent for kernel tracer.
Uses the new enable/disable kernel ioctl that replaces create event.
lttng
-------------
*MAJOR*: This is the inital import of the git-alike UI.
Some features are still not implemented but all the basics and more are
there.
This commit introduce a new feature where the session name is kept in
the current directory where the create command was executed (or
specified by the user with --path). A .lttng directory is created and a
config file that contains, for now, the session name. So, in order to
apply command on a session, you either specify it on the command line or
go in the directory where your .lttng dir reside.
A lot of code was changed/added/removed from all over the lttng-tools
tree to fit this big change. Consider this commit to be an almost
complete rewrite of the original git command line UI and a big part of
the public API.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Mathieu Desnoyers [Fri, 24 Jun 2011 01:04:13 +0000 (21:04 -0400)]
Fix message argument type
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
David Goulet [Tue, 14 Jun 2011 19:51:13 +0000 (15:51 -0400)]
Fix mkdir error handling
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Mathieu Desnoyers [Fri, 10 Jun 2011 22:26:49 +0000 (18:26 -0400)]
Remove unneeded liburcu symbol check
synchronize_rcu symbol is going away with userspace rcu 0.6. lttng-tools
is not using this library directly anyway, just the list header provided
by urcu. Therefore only check for the list header.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
David Goulet [Fri, 10 Jun 2011 16:12:10 +0000 (12:12 -0400)]
Internal librairies not being installed anymore
Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Mathieu Desnoyers [Wed, 8 Jun 2011 21:54:18 +0000 (17:54 -0400)]
Add lttng-cli.txt RFC
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
David Goulet [Wed, 8 Jun 2011 18:06:40 +0000 (14:06 -0400)]
Initial import of libustctl and libustcomm
Import and clean the libustctl and libustcomm code from the UST git
tree. This import is done at the ust git head commit:
161239e0409832d65cb773a08d364b29945b18a7
Small modifications was needed but nothing major in the API and basic
functionnalities.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Wed, 8 Jun 2011 16:33:52 +0000 (12:33 -0400)]
Fix wrong include file name in Makefile.am
Fix the line and comment it out so that lttng.h is not being installed
at this moment because of heavy development and possible API breakage.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 2 Jun 2011 19:01:45 +0000 (15:01 -0400)]
Add TODOs for session daemon
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 2 Jun 2011 18:41:41 +0000 (14:41 -0400)]
Add kernel tracer check on kernel command
Check again at each kernel command for the kernel tracer. If the module
get loaded AFTER the session daemon, kernel tracing will be available.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 2 Jun 2011 17:23:22 +0000 (13:23 -0400)]
kconsumerd execlp set to verbose for debug
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
David Goulet [Thu, 2 Jun 2011 17:22:40 +0000 (13:22 -0400)]
Close client socket in sessiond
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
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