Jérémie Galarneau [Thu, 6 Aug 2015 18:59:58 +0000 (14:59 -0400)] 
Log agent reply in list_events()
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 6 Aug 2015 18:58:57 +0000 (14:58 -0400)]
Add agent reply code logging helpers
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 6 Aug 2015 18:57:17 +0000 (14:57 -0400)]
Add a LOG() macro which handles dynamic severity levels
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 6 Aug 2015 02:03:29 +0000 (22:03 -0400)]
Fix: Discard disable event command filter payload
liblttng-ctl sends both the filter expression and filter bytecode
whenever lttng_disable_event_ext() is used _or_ when it is used
implicitly by lttng_disable_event() on an Agent domain (Log4j,
JUL or Python).
As of now, the session daemon ignores this filter payload.
However, on some rare occasions (the frequency of which depends
on the system's configuration and load), the second call to
sendmsg() done by liblttng-ctl could block and return an error
when the session daemon closed the socket (EPIPE).
This fix ensures the payload is received and discarded by the
session daemon, which in turn allows the client to handle the
session daemon's reply to the command.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 6 Aug 2015 01:26:34 +0000 (21:26 -0400)]
Fix: Use MSG_NOSIGNAL when calling sendmsg()
Applications using the liblttng-ctl library are most probably
not expecting the SIGPIPE signal which can be triggered by
sendmsg() on a closed socket. Use the MSG_NOSIGNAL flag to
handle such cases gracefully.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 5 Aug 2015 18:57:36 +0000 (14:57 -0400)]
Send data pending status as part of payload instead of an invalid error
This ensures that the session daemon's logs don't contain false
positives every time a data pending command is replied-to.
The use of invalid error codes 0 and 1 causes the log to contain
misleading entries of the form:
Sending response (size: 16, retcode: Unknown error code (0)) [...]
This commit also proves that it is possible, contrary to what the
previous comment indicated, to send a boolean value over a socket
without using undocumented error codes.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 5 Aug 2015 18:09:27 +0000 (14:09 -0400)]
Log error code's value when sessiond replies to a client
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Michael Jeanson [Tue, 4 Aug 2015 22:21:40 +0000 (18:21 -0400)] 
Tests: Java agent: update after Java agent refactoring
This patch fixes the Java agent tests which were impossible to run since
the Jar files have been renamed. It also overhauls the java part of the
configure script to match what's in UST and replace some hardcoded path
with configurable values.
The tests are now enabled when corresponding classes are found in the
CLASSPATH during configure.
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Mon, 3 Aug 2015 20:48:16 +0000 (16:48 -0400)]
Set registration done Agent command version back to 0
The command version was used to indicate a workaround introducing a
change of behavior in a minor version. 2.6 was the only version affected
by this bug.
Fixes #884
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Mon, 3 Aug 2015 20:45:00 +0000 (16:45 -0400)]
Fix: Don't send agent disable event command twice
The session daemon sends a "disable event" command to agents for each
event, enabled or not, on session destroy. This had no adverse effect
of the Java agent since it suffered from an unrelated bug which ignored
any refcount decrementation.
This fix bumps the command version to "1" to indicate that this behavior
is fixed on the session daemon's end.
Fixes #884
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Philippe Proulx [Wed, 1 Apr 2015 00:10:07 +0000 (20:10 -0400)] 
Tests: Python agent: update after Python agent refactoring
This patch makes the tests follow the recent refactoring
of the LTTng-UST Python agent.
You need both python2 and python3 in your $PATH to run this
test now (since the agent is compatible with both versions
of Python).
Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Mon, 3 Aug 2015 16:18:10 +0000 (12:18 -0400)]
Clean-up: Remove redundant variable initialization
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Antoine Busque [Sat, 1 Aug 2015 19:20:50 +0000 (15:20 -0400)] 
Fix: incorrect variable being checked in libc-wrapper test
Signed-off-by: Antoine Busque <abusque@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 30 Jul 2015 20:51:03 +0000 (16:51 -0400)]
Rename Python agent event name to omit "user"
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 30 Jul 2015 20:49:49 +0000 (16:49 -0400)]
Consolidate agent event names regardless of user privilege
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 30 Jul 2015 16:48:52 +0000 (12:48 -0400)]
Clean-up: Move agent_apps_ht_by_sock definition to main.c
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 30 Jul 2015 16:46:56 +0000 (12:46 -0400)]
Fix: Initialize global agent_apps_ht_by_sock on session daemon launch
Reported-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Partha Pratim Mukherjee [Sat, 25 Jul 2015 07:55:19 +0000 (13:25 +0530)] 
Fix: set session should not set non-existent session
set-session does not check the existence of a session before setting
it as the current session. Fix it so that it gives error for a
non-existent session.
Fixes #885
Signed-off-by: Partha Pratim Mukherjee <ppm.floss@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 24 Jul 2015 21:42:59 +0000 (17:42 -0400)] 
Fix: pids should be numbers only
Ruled out cases: word, number+word, word+number, number+word+number
Ex: foo, 123foo, foo123, 123foo123
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sun, 26 Jul 2015 20:16:23 +0000 (16:16 -0400)]
Fix: Mishandled NULL short options in lttng-sessiond
set_option() ignores any option which has no short option
defined.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sun, 26 Jul 2015 20:13:18 +0000 (16:13 -0400)]
Use popt "required_argument" and "no_argument" constants
Use popt's provided constants for the "has_arg" field of long
options instead of hardcoding 0 and 1 everywhere.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sun, 26 Jul 2015 18:54:24 +0000 (14:54 -0400)]
Fix: Mishandled NULL short options in utils_generate_optstring()
The NULL character is used to indicate that no short option is
available for a given command.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sun, 26 Jul 2015 00:09:23 +0000 (20:09 -0400)]
Fix: only launch a new session daemon for the "create" command
Fixes #859
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sat, 25 Jul 2015 23:50:22 +0000 (19:50 -0400)]
Fix 'daemon' typo in lttng-ctl-pc.in description
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sat, 25 Jul 2015 21:48:12 +0000 (17:48 -0400)]
Fix: clean-up agent app hash table from the main sessiond thread
The agent application hash table, which is allocated by the session
daemon's main thread, is free'd from the agent application registration
thread.
This leads to a number of interesting scenarios under which the agent
app registration thread may encounter an error, thus tearing itself down
and freeing the agent_apps_ht_by_sock hash table. Of course, nothing then
prevents the client processing thread from accessing this invalidated hash
table to list, enable or disable agent events which leads to crashes or
assertions hitting in ht_match_reg_uid().
However, it is not necessary for the agent app registration thread to
encounter an error for this to prove problematic. As shown in bug #893,
the session daemon's teardown will assert on a NULL key in
ht_match_reg_uid() whenever it is performed while a JUL, Log4J or Python
event is still enabled in a session. This happens because the session
daemon's clean-up triggers the destruction of all sessions. The destruction
of those sessions would access the free'd agent_apps_ht_by_sock to disable
the registered agent events.
Fixes #893
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sat, 25 Jul 2015 21:38:29 +0000 (17:38 -0400)]
Fix: Remove undocumented session daemon short options
Fixes #864
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sat, 25 Jul 2015 20:31:43 +0000 (16:31 -0400)]
Comment grammar correction
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sat, 25 Jul 2015 20:28:50 +0000 (16:28 -0400)]
Log userspace application hash table allocation failure
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sat, 25 Jul 2015 20:24:05 +0000 (16:24 -0400)]
Fix: RCU read-side lock released too early in destroy_agent_app
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Sat, 25 Jul 2015 19:54:19 +0000 (15:54 -0400)]
Fix: misleading logging statement in agent_find_event
An _event_ is not found, not an agent.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Fri, 24 Jul 2015 22:01:02 +0000 (18:01 -0400)]
Fix: Unhandled domain option condition in list_agent_events
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Fri, 24 Jul 2015 21:54:47 +0000 (17:54 -0400)]
Fix: Crash on lttng list -j/-l/-p when no events are present
The lttng client will free an uninitialized pointer whenever a the
lttng list command is invoked on a domain which involves the log4j,
JUL or Python agents.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 16 Jul 2015 17:16:20 +0000 (13:16 -0400)]
Clean-up: spelling fix in a comment
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 16 Jul 2015 17:13:09 +0000 (13:13 -0400)]
Document relay_add_stream RCU locking
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 16 Jul 2015 17:04:05 +0000 (13:04 -0400)]
Fix: Unbalanced rcu_read_unlock() on stream file creation failure
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 16 Jul 2015 17:02:47 +0000 (13:02 -0400)]
Fix: Unbalanced rcu_read_unlock() on directory creation failure
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 16 Jul 2015 17:00:56 +0000 (13:00 -0400)]
Fix: Document the locking assumptions of ctf_trace_find_by_path()
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 16 Jul 2015 16:58:44 +0000 (12:58 -0400)]
Fix: Memory leak in relay_add_stream error path
Failing to allocate a struct ctf_trace results in the leak of a stream's
path and channel name.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 15 Jul 2015 22:40:38 +0000 (18:40 -0400)]
Update master version to v2.8.0-pre
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 15 Jul 2015 19:27:28 +0000 (15:27 -0400)]
Update version to v2.7.0-rc1
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 15 Jul 2015 19:15:49 +0000 (15:15 -0400)]
Tests: lttng-ust-getcpu-override-test cache and error-check sysconf()
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 15 Jul 2015 19:14:50 +0000 (15:14 -0400)]
Tests: lttng-ust-getcpu-override coding-style adjustments
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 15 Jul 2015 18:25:16 +0000 (14:25 -0400)]
Add CPU_ID LTTng-UST context to enum lttng_ust_context_type
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 15 Jul 2015 18:24:50 +0000 (14:24 -0400)]
Bump LTTNG_UST_ABI_MAJOR_VERSION to 6
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Tue, 14 Jul 2015 21:52:51 +0000 (17:52 -0400)]
Tests: Ust getcpu override plugin
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Tue, 14 Jul 2015 15:33:41 +0000 (11:33 -0400)]
Fix: Follow struct dirent allocation guidelines of READDIR(3)
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 10 Jul 2015 21:50:02 +0000 (17:50 -0400)]
Update comments regarding the power of 2 constraint on sub-buffer sizes
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 10 Jul 2015 21:03:18 +0000 (17:03 -0400)]
Build: add Flex version check
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 10 Jul 2015 21:03:17 +0000 (17:03 -0400)]
Build: add Bison version check
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Mon, 6 Jul 2015 21:28:34 +0000 (17:28 -0400)] 
Fix: handle sys_futex() FUTEX_WAIT interrupted by signal
We need to handle EINTR returned by sys_futex() FUTEX_WAIT, otherwise a
signal interrupting this system call could make sys_futex return too
early, and therefore cause a synchronization issue.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Mon, 6 Jul 2015 16:21:06 +0000 (12:21 -0400)]
Fix: metadata push -EPIPE should be recoverable
This return value can be caused by application terminating concurrently
(when using per-PID buffers), so it should not make the consumer
management thread exit.
CC: Aravind HT <aravind.ht@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Partha Pratim Mukherjee [Sun, 5 Jul 2015 19:31:15 +0000 (15:31 -0400)]
Fix: destroy session removes the default config file
Destroy session command by default removes the default config file
without checking the current session. As a result when we call any
other command which expects a default session by calling
get_session_name() function, it fails.
This patch will fix this by checking that the default config file gets
removed only when destroy session is called with the current session.
Fixes: #887
Signed-off-by: Partha Pratim Mukherjee <ppm.floss@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Thu, 2 Jul 2015 22:55:32 +0000 (18:55 -0400)]
Build: bump autoconf version requirement to 2.64
AC_INIT with package_url was introduced in AC 2.64
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 2 Jul 2015 22:55:17 +0000 (18:55 -0400)]
Fix: Memory leak in setup of relayd_path
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 2 Jul 2015 22:25:28 +0000 (18:25 -0400)]
Fix: update liburcu URL
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Sun, 26 Apr 2015 21:14:16 +0000 (17:14 -0400)]
Fix: test: use "$@" to pass and quote argument
${*} expands wildcard and does not preserve initial arguments.
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 24 Apr 2015 20:50:39 +0000 (16:50 -0400)]
Refactor: test: wrapper for lttng_snapshot_del_output
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 24 Apr 2015 20:45:08 +0000 (16:45 -0400)]
Refactor: test: wrapper for lttng_snapshot_add_output
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 24 Apr 2015 20:29:40 +0000 (16:29 -0400)]
Refactor: test: wrapper for destroy_lttng_session
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 24 Apr 2015 20:10:08 +0000 (16:10 -0400)]
Refactor: test: wrapper for stop_lttng_tracing
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 24 Apr 2015 19:53:10 +0000 (15:53 -0400)]
Refactor: test: wrapper for start_lttng_tracing
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 24 Apr 2015 17:50:04 +0000 (13:50 -0400)]
Refactor: test: wrapper for enable_ust_lttng_event
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Thu, 23 Apr 2015 21:22:36 +0000 (17:22 -0400)]
Refactor: test: wrapper for enable_ust_lttng_channel
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Thu, 23 Apr 2015 20:32:19 +0000 (16:32 -0400)]
Refactor: test: wrapper for create_lttng_session
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 25 Jun 2015 16:42:48 +0000 (12:42 -0400)]
Fix: Memory allocated by xmlNodeGetContent() must be freed by xmlFree()
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Fri, 17 Apr 2015 21:26:41 +0000 (17:26 -0400)]
Save/load: add support for shared memory path
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Tue, 23 Jun 2015 21:27:31 +0000 (23:27 +0200)]
Fix: get_cmdline_by_pid path length assumes a max pid of 65535
PROC(5) mentions that "On 64-bit systems, pid_max can be set to any
value up to 2^22 (PID_MAX_LIMIT, approximately 4 million)."
We use 32 bits for simplicity's sake.
Reported-by: Zhenyu Ren <zhenyu.ren@aliyun.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Tue, 23 Jun 2015 20:30:59 +0000 (22:30 +0200)]
Clean-up: Remove ifdef-ed out lttng list options
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Wed, 10 Jun 2015 15:27:41 +0000 (11:27 -0400)]
Test: mi: test for greater or equal to a minimum of events on ust listing.
Since the number of events present in the tests apps in prone to change it
make more sense to look for a minimum of events. This is less rigourous
but more flexible to change.
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Antoine Busque [Wed, 27 May 2015 19:09:18 +0000 (15:09 -0400)]
Fix: update regression tests involving UST
This patch fixes previously failing regression tests which involve
either the UST statedump or helper events, following a refactor and
rename.
Signed-off-by: Antoine Busque <abusque@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Fri, 22 May 2015 16:55:57 +0000 (12:55 -0400)]
Clean-up: Remove ifdef-ed out function:entry feature
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Fri, 22 May 2015 16:53:30 +0000 (12:53 -0400)]
Fix: Mark MI and Config string declarations as extern
This fixes a build issue with GCC 5.1 which would complain about
these symbols being defined multiple times.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 6 May 2015 15:51:50 +0000 (11:51 -0400)]
Clean-up append_list_to_probes()
Remove unecessary "index" variable and cur_mod increment which was
probably meant to increment "index", a bug fixed by
9ae17e2.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Philippe Proulx [Tue, 28 Apr 2015 21:09:16 +0000 (17:09 -0400)]
Fix: modprobe.c: fix tmp_list memory leak
Reported-by: Hannes Weisbach <hannes.weisbach@mailbox.tu-dresden.de>
Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Philippe Proulx [Tue, 28 Apr 2015 21:08:58 +0000 (17:08 -0400)]
Fix: append_list_to_probes(): increment index
Reported-by: Hannes Weisbach <hannes.weisbach@mailbox.tu-dresden.de>
Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Wed, 29 Apr 2015 20:19:38 +0000 (16:19 -0400)]
Docs: LTTNG(1) filtering is now supported by the kernel tracer
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Tue, 28 Apr 2015 21:23:34 +0000 (17:23 -0400)]
Fix: live_test regression on large number of cpus
Merge fixes from Babeltrace lttng-live plugin, especially about
incorrect use of send() and recv().
Can be triggered with 32 virtual processors visible on the system with
the root_regression test suite.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Tue, 28 Apr 2015 14:16:37 +0000 (10:16 -0400)]
Fix: set UST register timeout to -1 as test default
On busy systems, it's possible to spuriously hit the default 3 seconds
timeout for UST registration to sessiond, thus causing tests to be flaky
on those systems.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Wed, 22 Apr 2015 19:39:00 +0000 (15:39 -0400)]
Man page: reference lttng-crash under --shm-path option
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 23 Apr 2015 23:41:35 +0000 (19:41 -0400)]
Tests: Don't rely on implicit scalar expression dereference
This silences an "experimental feature" warning when using Perl 5.20.2.
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Philippe Proulx [Wed, 8 Apr 2015 19:11:41 +0000 (15:11 -0400)]
man pages: use standard NAME format
As per man(7):
The only mandatory heading is NAME, which should
be the first section and be followed on the next
line by a one-line description of the program:
.SH NAME
item \- description
It is extremely important that this format is followed,
and that there is a backslash before the single dash
which follows the item name. This syntax is used by the
mandb(8) program to create a database of short
descriptions for the whatis(1) and apropos(1) commands.
Furthermore (lexgrog(1)):
When using the traditional man macro set, a correct NAME
section looks something like this:
.SH NAME
foo \- program to do something
Some manual pagers require the ‘\-’ to be exactly as shown;
mandb is more tolerant, but for compatibility with other
systems it is nevertheless a good idea to retain the
backslash.
Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Simon Marchi [Tue, 14 Apr 2015 20:45:27 +0000 (16:45 -0400)] 
Fix python bindings' Makefile for out-of-tree builds
The references to the built archives should use top_builddir and not
top_srcdir, because that's where they are.
And new in V2, I got a new error:
lttng_wrap.c:2970:25: fatal error: lttng/lttng.h: No such file or directory
#include <lttng/lttng.h>
I think we are missing the -I$(top_srcdir)/include. I had not noticed this
previously, probably because I had an lttng/lttng.h in
/usr/local/include or /usr/include. Also, the other includes seem
unnecessary. The This is not really related to out-of-tree builds though.
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jonathan Rajotte [Mon, 13 Apr 2015 18:53:04 +0000 (14:53 -0400)]
Fix: use LIBS instead of AM_LDFLAGS for dl and c linking
The change to --as-needed on linking of the tool chain on Debian based dist
break the build. This fix aim to generalize the linking and be
independent of the distribution choice of base parameter for the linking
process.
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Fri, 10 Apr 2015 23:08:03 +0000 (19:08 -0400)]
Fix: Add missing -ldl when checking for lttng-ust
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Sun, 12 Oct 2014 11:46:20 +0000 (13:46 +0200)]
clock plugin: increase offset measurement accuracy
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Wed, 1 Oct 2014 21:59:20 +0000 (17:59 -0400)]
Implement UST clock override plugin support
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Mon, 6 Apr 2015 16:17:20 +0000 (12:17 -0400)]
Fix: ownership of filter and filter_expression
Applies to the kernel wildcard feature.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Mon, 6 Apr 2015 16:16:11 +0000 (12:16 -0400)]
Fix: zero memory passed to create channel kernel ioctl
Valgrind complains about uninitialized memory passed to ioctl.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 2 Apr 2015 22:44:58 +0000 (18:44 -0400)]
Fix: Check that lttng create --live's time is not zero
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 2 Apr 2015 22:37:18 +0000 (18:37 -0400)]
Fix: Validate lttng_create_session_live's timer is > 0
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 2 Apr 2015 22:09:29 +0000 (18:09 -0400)]
UI: Only show live timer when the session is in live mode
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Thu, 2 Apr 2015 22:07:45 +0000 (18:07 -0400)]
UI: Only show tracker PID state when enabled
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Tue, 11 Nov 2014 21:31:40 +0000 (16:31 -0500)]
Implement kernel filter support
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Wed, 5 Nov 2014 21:54:48 +0000 (16:54 -0500)]
syscall tracing: update tests
Update syscall tracing tests following the semantic changes of enablers
in lttng-modules and disable behavior of lttng-sessiond.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Wed, 5 Nov 2014 00:14:19 +0000 (19:14 -0500)]
Support lttng-modules syscall wildcards
While we are there, fix semantic issues with disable-event and various
types of instrumentation.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Mon, 3 Nov 2014 20:52:36 +0000 (15:52 -0500)]
Implement lttng-modules tracepoint wildcard support
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Jérémie Galarneau [Tue, 31 Mar 2015 20:02:17 +0000 (16:02 -0400)]
Fix build when configuring with --disable-lttng-ust
Mark trace_ust_list_tracker_pids as static inline to eliminate
"multiple definition" error.
Fix ust_app_global_update() stub to reflect the signature change
introduced by
a9ad0c8f
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Fri, 20 Mar 2015 19:16:11 +0000 (15:16 -0400)]
Fix: add missing function prototype to trace-ust.h header
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Wed, 28 Jan 2015 14:50:07 +0000 (09:50 -0500)]
Implement PID tracker content listing
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Mathieu Desnoyers [Mon, 26 Jan 2015 19:01:12 +0000 (14:01 -0500)]
Implement UST PID tracker
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
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