lttng-tools.git
6 years agoAssert that the consumer lock is held while sending FDs to consumerd
Jérémie Galarneau [Wed, 14 Feb 2018 21:14:21 +0000 (16:14 -0500)] 
Assert that the consumer lock is held while sending FDs to consumerd

The consumer_data lock must be held during the communications
between the consumerd and sessiond.

The consumer_data lock is refered-to by each consumer_socket
instance; they point to their consumer's global data lock.

The lock can't be taken in consumer_send_msg() or consumer_send_fds()
since we want to protect a complete "transaction". Some commands
require both functions to be called and we want to hold the lock
over the duration of both calls to protect against other
threads initiating a communication between the two calls.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoAssert that the consumer socket lock is taken during communication
Jérémie Galarneau [Wed, 14 Feb 2018 19:59:35 +0000 (14:59 -0500)] 
Assert that the consumer socket lock is taken during communication

The consumer_data lock must be acquired during any communication
between the session and consumer daemons.

Stress tests have shown a number of deadlocks that have been
traced down to this type of errors.

Individual fixes follow this commit.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoTests: refuse to run test suite if lttng processes are present
Jérémie Galarneau [Fri, 9 Feb 2018 21:40:39 +0000 (16:40 -0500)] 
Tests: refuse to run test suite if lttng processes are present

The test suite often fails because of unclean environments where
stale LTTng processes are left running. Since the test suite
assumes that no LTTng process (daemons and test applications) are
running, it makes sense to force the user to kill all those
processes before running the test suite.

The warn_processes.sh script now prints an error and returns 1
to indicate an early failure to the test harness.

It is possible to circumvent this check by invoking the tests
manually or by removing the "exit 1" from the warn_processes.sh
script if there is a need to have persistent processes across
the execution of the test suite.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoFix: metadata channel leak when using the snapshot tracing mode
Jérémie Galarneau [Thu, 8 Feb 2018 23:25:55 +0000 (18:25 -0500)] 
Fix: metadata channel leak when using the snapshot tracing mode

While running stress tests involving the snapshot mode, it
becomes apparent that the lttng-consumerd leaks a number of file
descriptors.

To isolate the problem, the test was narrowed down to

* Create a session in snapshot mode
* Enable a userspace channel
* Enable all userspace events
* Start tracing
* Run a traced application
* Stop tracing
* Destroy session

This has shown that 5 file descriptors were leaked on each
iteration of the above.

As the comments in this change indicate, the ownership and
lifetime of metadata channels varies depending on the tracing
mode being used.

In non-snapshot tracing modes, metadata channels are owned by
their respective streams. On destruction of a metadata stream,
consumer_del_channel() is invoked since the stream releases its
ownership of the metadata channel.

However, this relationship between metadata streams and channels
does not exist in snapshot mode; streams are created and
destroyed on every snapshot record. Hence, the
LTTNG_CONSUMER_CLOSE_METADATA command must immediately clean the
metadata channel.

The channel's "monitor" flag is used to determine whether or not
the metadata channel is in "snapshot" mode or not.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoUpdate version to v2.10.2 v2.10.2
Jérémie Galarneau [Mon, 5 Feb 2018 20:40:54 +0000 (15:40 -0500)] 
Update version to v2.10.2

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoFix: do not flag consumer as disabled on relayd comm failure
Jonathan Rajotte [Thu, 25 Jan 2018 23:57:27 +0000 (18:57 -0500)] 
Fix: do not flag consumer as disabled on relayd comm failure

A relay daemon may be temporarily unavailable (e.g. not launched yet,
or simply a network error). In such a case, it is not necessary to
mark the consumer as bad since the error is not related to the
consumer daemon itself.

This change lets the user try to create a channel later without
having to restart the session and consumer daemons.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoFix: cleanup inactive FDs in the consumer polling thread
Julien Desfossez [Thu, 1 Feb 2018 19:24:10 +0000 (14:24 -0500)] 
Fix: cleanup inactive FDs in the consumer polling thread

Users have reported assert() hitting on consumerd shutdown on a
non-empty data stream hash table.

Relevant stack trace:
[...] in lttng_ht_destroy (ht=0x6) at hashtable.c:162
[...] in lttng_consumer_cleanup () at consumer.c:1207
[...] in main ([...]) at lttng-consumerd.c:625

This is reproducible when a consumerd is shutting down at the same
time as one of its relay daemon peers.

On failure to reach a relay daemon, all of that relay daemons'
associated streams are marked as having an inactive endpoint (see
cleanup_relayd(), consumer.c:467). The data polling thread is notified
of the change through an empty message on the "data" pipe.

Before blocking on the next poll(), the data polling thread checks if
it needs to update its poll set using the "need_update" flag. This
flag is set anytime a stream is added or deleted.

While building a new poll set, streams that are now marked as inactive
or as having an inactive endpoint are not included in the new poll
set. Those inactive streams are in a transitional state, awaiting
a clean-up.

After updating the poll set, the data polling thread checks if it
should quit (via the consumer_quit flag). Assuming this flag is set,
the thread cannot simply exit; it must clean-up any remaining data
stream.

The thread currently performs this check at consumer.c:2532. This
check is erroneous as it assumes that the number of FDs in the poll set is
indicative of the number of FDs the thread has ownership of.

If all streams are inactive, the poll set will contain no FDs to
monitor and the thread will assume that it can exit. This will leave
streams in "data_ht", causing an assertion to hit in the main thread
during the clean-up.

This patch adds an inactive FD count which must also reach zero before
the data polling thread can exit.

The clean-up of the inactive streams occurs as the data polling thread
wakes-up on its "data" pipe. Upon being woken-up on the "data" pipe,
the data polling thread will validate the endpoint status of every
data stream and close those that have been marked as inactive
(see consumer_del_stream(), consumer.c:525).

This occurs as often as necessary to allow the thread to clean-up all
of its inactive streams and exit cleanly.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoman: document dead-peer detection for lttng-relayd
Jonathan Rajotte [Mon, 22 Jan 2018 20:43:35 +0000 (15:43 -0500)] 
man: document dead-peer detection for lttng-relayd

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agolttng-relayd: use TCP keep-alive mechanism to detect dead-peer
Jonathan Rajotte [Mon, 22 Jan 2018 20:43:34 +0000 (15:43 -0500)] 
lttng-relayd: use TCP keep-alive mechanism to detect dead-peer

Allow relayd to clean-up objects related to a dead connection
for which the FIN packet was no emitted (Unexpected shutdown,
ethernet:blocking). Note that an idle peer is not considered dead given
that it respond to the keep-alive query after the idle time is elapsed.

By RFC 1122-4.2.3.6 implementation must default to no less than two
hours for the idle period. On linux the default value is indeed 2 hours.
This could be problematic if relayd should be aggressive regarding
dead-peers. Hence it is important to provide tuning knob regarding the
tcp keep-alive mechanism.

The following environments variable can be used to enable and fine-tune
it:
    LTTNG_RELAYD_TCP_KEEP_ALIVE_ENABLE
        Set to 1 to enable the use of tcp keep-alive allowing the detection
        of dead peers.

    LTTNG_RELAYD_TCP_KEEP_ALIVE_TIME
        See tcp(7) tcp_keepalive_time or tcp_keepalive_interval on
        Solaris 11.
        A value of -1 lets the operating system manage this parameter
        (default).

    LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBES
        See tcp(7) tcp_keepalive_probes.
        A value of -1 lets the operating system manage this
        parameter (default).
        No effect on Solaris.

    LTTNG_RELAYD_TCP_KEEP_ALIVE_INTVL`::
        See tcp(7) tcp_keepalive_intvl.
        A value of -1 lets the operating system manage
        his parameter (default).

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoTests: race between consumer pause and trace start/stop
Jérémie Galarneau [Sat, 9 Dec 2017 17:51:46 +0000 (12:51 -0500)] 
Tests: race between consumer pause and trace start/stop

This fixes two problems with the current test.

1. Starting the tracing before pausing the consumption can result
in an arbitrary number of buffer usage conditions being sent to
the client as the buffers can be filled and emptied a number of
times.

2. Resuming the consumption before stopping tracing can, in a
similar way as '1', result in an arbitrary number of notifications
being sent to the client.

Note that the non-blocking stop is used since the blocking
variant would wait for pending data to be flushed forever since
the consumption is paused. Hence, we stop the tracing, resume
the consumption, and wait for the buffers to be flushed explicitly
using the lttng_data_pending() call. No sleeps are performed in
that loop since those could hide races triggered by this test.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoFix: notification thread not notified of channel creation on app error
Jérémie Galarneau [Tue, 5 Dec 2017 20:25:28 +0000 (15:25 -0500)] 
Fix: notification thread not notified of channel creation on app error

The multi-app notification test is failing (more often on ARM64)
since the notification thread appears to not be notified of a
channel's creation under some circumstances.

Investigating this failure pointed to create_channel_per_uid()
which provides the "hook" the notification system needs to
be informed of a channel's creation.

The first time this function is invoked for a given channel, the
lookup in the buffer registry will fail, prompting the lazy creation
of the channel. Then, that channel is sent to the application
being registered.

The error in the current code is that the channel's creation
is not communicated to the notification subsystem whenever the
session daemon fails to communicate with the application.

Failing to communicate with the application is not a channel
creation error (in per-uid mode). In this specific case, the
test is launching many short-lived applications and it is
expected for the session daemon to encounter closing or dead
applications as it handles their registration.

Note that the diff of this commit is misleading. The important part
is that notification_thread_command_add_channel() has to be
performed regardless of the result of send_channel_uid_to_ust().

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoFix: using putenv() and free()-ing the value is invalid
Jérémie Galarneau [Thu, 30 Nov 2017 23:18:03 +0000 (00:18 +0100)] 
Fix: using putenv() and free()-ing the value is invalid

putenv() does not copy the string passed as the parameter. Hence,
free()-ing the string results in an invalid environment. In the
"good" case, we don't care since we execl().

However, on error, our process now has an invalid environment
which can cause breakage further down the line.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoFix: unknown consumer type considered a libc error
Jérémie Galarneau [Thu, 30 Nov 2017 22:45:30 +0000 (23:45 +0100)] 
Fix: unknown consumer type considered a libc error

The PERROR() macro uses the errno variable to print an error
message. However, the consumer type being invalid is an internal
error. The value of errno, at that point, is unrelated to the
error.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 years agoFix: consumerd(64/32)_lib_dir can be NULL
Jonathan Rajotte [Wed, 29 Nov 2017 21:42:29 +0000 (16:42 -0500)] 
Fix: consumerd(64/32)_lib_dir can be NULL

Reproducer:
lttng-sessiond \
    --consumerd32-path=/usr/local/lib/lttng/libexec/lttng-consumerd \
    --consumerd64-path=/usr/local/lib/lttng/libexec/lttng-consumerd

lttng create
lttng enable-event -u -a

On a 64bit machine the invocation of the 64bit consumerd will not fail
since its libdir is populated by sessiond_config_init but will segfault on
spawning of the 32 bit consumerd when performing the check of libdir
value.

On a 32bit machine the opposite will happen.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: nonsensical message printed by lttng track/untrack
Jérémie Galarneau [Tue, 14 Nov 2017 02:16:18 +0000 (21:16 -0500)] 
Fix: nonsensical message printed by lttng track/untrack

The lttng track/untrack command, when used to track/untrack all
PIDs, prints a message of the following form:

"PID -1 untracked in session auto-20171113-210309"

This is because -1 is taken to mean "all" by the API and is used
as-is to print the message on the CLI.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: O_CLOEXEC is erroneously used on pipe creation
Julien Desfossez [Mon, 13 Nov 2017 23:15:54 +0000 (18:15 -0500)] 
Fix: O_CLOEXEC is erroneously used on pipe creation

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: wrong parameter to fcntl in pipe_set_flag
Julien Desfossez [Mon, 13 Nov 2017 23:14:49 +0000 (18:14 -0500)] 
Fix: wrong parameter to fcntl in pipe_set_flag

Depending on the flags passed, fcntl must be called with F_SETFD or
F_SETFL. This fix checks the flag passed and ensure it is valid and
calls fcntl with the right parameter.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: use lttng_clock_gettime instead of clock_gettime
Jonathan Rajotte [Wed, 18 Oct 2017 15:39:06 +0000 (11:39 -0400)] 
Fix: use lttng_clock_gettime instead of clock_gettime

It appears that commit 389fbf04b41e2002be44a1e3392bfade2f1deeef missed
it.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: close channel monitor pipe after killing the metadata_timer_thread
Jonathan Rajotte [Thu, 12 Oct 2017 15:19:39 +0000 (11:19 -0400)] 
Fix: close channel monitor pipe after killing the metadata_timer_thread

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: use file based synchronization for python logging test
Jonathan Rajotte [Mon, 28 Aug 2017 21:50:04 +0000 (17:50 -0400)] 
Fix: use file based synchronization for python logging test

No synchronization yield unstable result on a stressed system.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTest: add file based synchronization point for python test app
Jonathan Rajotte [Mon, 28 Aug 2017 21:50:03 +0000 (17:50 -0400)] 
Test: add file based synchronization point for python test app

test.py is responsible for the cleanup of the "ready" file while the
cleanup of the "go" file is left to the external controller.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: wrong use of the relay_streams_sent in snapshot
Julien Desfossez [Wed, 23 Aug 2017 20:48:53 +0000 (16:48 -0400)] 
Fix: wrong use of the relay_streams_sent in snapshot

The relay_streams_sent message is only useful in live sessions and
should only be sent after all the streams of a channel have been sent.

Here we were sending this message every time we sent a stream to the
relay during a snapshot which makes no sense.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: the return code of lttcomm_send_unix_sock is signed
Julien Desfossez [Wed, 23 Aug 2017 20:43:22 +0000 (16:43 -0400)] 
Fix: the return code of lttcomm_send_unix_sock is signed

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix warning: src/bin/lttng/utils.c: cast incompatible pointer
Jérémie Galarneau [Mon, 13 Nov 2017 15:31:29 +0000 (10:31 -0500)] 
Fix warning: src/bin/lttng/utils.c: cast incompatible pointer

Reported-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: src/common/pipe.h: include <sys/types.h> for ssize_t and mode_t
Philippe Proulx [Wed, 8 Nov 2017 20:19:24 +0000 (15:19 -0500)] 
Fix: src/common/pipe.h: include <sys/types.h> for ssize_t and mode_t

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: detect dlmopen() and disable corresponding tests if not available
Philippe Proulx [Mon, 6 Nov 2017 23:46:41 +0000 (18:46 -0500)] 
Fix: detect dlmopen() and disable corresponding tests if not available

musl and uClibc-ng are known not to support dlmopen(). LTTng-UST has
this dlmopen() detection.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: Use tmpdir for intermediary files
Jonathan Rajotte [Sun, 12 Nov 2017 21:15:53 +0000 (16:15 -0500)] 
Fix: Use tmpdir for intermediary files

Launching root and non-root testing would result in conflict.

Remove unused TRACE_PATH assignation.
Clear the pipe list variable before each pipe collecting.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: include scripts for distribution
Jonathan Rajotte [Sun, 12 Nov 2017 20:36:52 +0000 (15:36 -0500)] 
Fix: include scripts for distribution

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: typo in lttng-consumerd file default
Jérémie Galarneau [Sun, 12 Nov 2017 20:19:56 +0000 (15:19 -0500)] 
Fix: typo in lttng-consumerd file default

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: missing NULL checks in logging statements
Jérémie Galarneau [Sun, 12 Nov 2017 20:19:35 +0000 (15:19 -0500)] 
Fix: missing NULL checks in logging statements

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTest: kernel testing for notification
Jonathan Rajotte [Fri, 28 Jul 2017 17:40:41 +0000 (13:40 -0400)] 
Test: kernel testing for notification

Perform notification tests on both domains.

Scenarios where low notifications are wanted need further synchronization
since multiple low notifications can be sent between resume_consumer
and the lttng stop command. This problem can be addressed by suspending
the generation of events. This is achieved by the use of signal-aware
background shells and the use of lttng-test kernel module or
gen-ust-events as events generator.

These background shells are controlled by signal SIGUSR1 and
provide their states via a state file. If the file is present the
application is suspended and does not generate events, otherwise events
are generated.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: kernel consumerd sock paths need rundir substitution
Jérémie Galarneau [Sun, 12 Nov 2017 19:59:28 +0000 (14:59 -0500)] 
Fix: kernel consumerd sock paths need rundir substitution

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: create lttng run dir regardless of user privilege
Jérémie Galarneau [Sun, 12 Nov 2017 19:19:01 +0000 (14:19 -0500)] 
Fix: create lttng run dir regardless of user privilege

The changes made when centralizing the configuration handling
introduced a regression which cause the rundir to only be
created when running as the root user.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: Make version.h generation work with dash
Olivier Blin [Fri, 27 Oct 2017 09:46:19 +0000 (11:46 +0200)] 
Fix: Make version.h generation work with dash

version.h generation failed when using dash as shell:
Generating version.h... /bin/sh: 24: Syntax error: Missing '))'

dash does not handle the following construct:
git_describe="$((cd /path/to/lttng-tools/.; git describe) 2>/dev/null)"

Use backquotes instead.

The fix has been tested with dash and bash.

Signed-off-by: Olivier Blin <olivier.blin@softathome.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-enable-event(1): filtering: specify that `$ctx.cpu_id` is available
Philippe Proulx [Fri, 8 Sep 2017 02:52:48 +0000 (22:52 -0400)] 
lttng-enable-event(1): filtering: specify that `$ctx.cpu_id` is available

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agocentralize sessiond config option handling
Jérémie Galarneau [Thu, 9 Nov 2017 22:46:54 +0000 (17:46 -0500)] 
centralize sessiond config option handling

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: buffer overflow warning in python bindings
Jérémie Galarneau [Sun, 12 Nov 2017 16:41:47 +0000 (11:41 -0500)] 
Fix: buffer overflow warning in python bindings

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTests fix: BT2 does not output the metadata of a trace collection
Jérémie Galarneau [Wed, 8 Nov 2017 19:02:07 +0000 (14:02 -0500)] 
Tests fix: BT2 does not output the metadata of a trace collection

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUpdate version to v2.10.1 v2.10.1
Jérémie Galarneau [Thu, 3 Aug 2017 19:15:53 +0000 (15:15 -0400)] 
Update version to v2.10.1

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTypo: occured -> occurred
Michael Jeanson [Wed, 2 Aug 2017 18:26:18 +0000 (14:26 -0400)] 
Typo: occured -> occurred

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: uninitialized return value on error path
Mathieu Desnoyers [Wed, 2 Aug 2017 15:34:43 +0000 (11:34 -0400)] 
Fix: uninitialized return value on error path

Found by Coverity:

*** CID 1378810:  Uninitialized variables  (UNINIT)
/src/bin/lttng-sessiond/context.c: 73 in add_kctx_all_channels()

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: ensure kernel context is in a list before trying to delete it
Jérémie Galarneau [Wed, 2 Aug 2017 20:49:44 +0000 (16:49 -0400)] 
Fix: ensure kernel context is in a list before trying to delete it

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUpdate version to v2.10.0 v2.10.0
Jérémie Galarneau [Tue, 1 Aug 2017 21:19:36 +0000 (17:19 -0400)] 
Update version to v2.10.0

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng enable-channel: disallow --overwrite and --blocking-timeout
Philippe Proulx [Fri, 28 Jul 2017 20:36:48 +0000 (16:36 -0400)] 
lttng enable-channel: disallow --overwrite and --blocking-timeout

The overwrite mode has no impact on LTTng-UST when there's a set
blocking timeout.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-enable-channel(1): reword --blocking-timeout, document in description
Philippe Proulx [Fri, 28 Jul 2017 20:30:42 +0000 (16:30 -0400)] 
lttng-enable-channel(1): reword --blocking-timeout, document in description

Also change the synopsis so that you can specify --blocking-timeout,
--overwrite, or none, but not both.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng enable-channel: --blocking-timeout opt.: use `inf` instead of -1
Philippe Proulx [Fri, 28 Jul 2017 19:48:32 +0000 (15:48 -0400)] 
lttng enable-channel: --blocking-timeout opt.: use `inf` instead of -1

It might be -1 for the API, but for a command-line interface used by
humans, `inf` is more meaningful than -1.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove unused internal structure
Julien Desfossez [Fri, 28 Jul 2017 18:15:40 +0000 (14:15 -0400)] 
Cleanup: remove unused internal structure

There is TODO to add content to lttcomm_relayd_update_sync_info
since 2012 (commit 173af62f4804133d4a7f45e34b6f72126f3eca5f),
the intent is really not clear and this is never going to
happen, let's remove it.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove unnecessary extern qualifier
Jérémie Galarneau [Tue, 1 Aug 2017 18:53:25 +0000 (14:53 -0400)] 
Cleanup: remove unnecessary extern qualifier

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the trigger API
Jérémie Galarneau [Tue, 1 Aug 2017 18:52:57 +0000 (14:52 -0400)] 
Docs: document the trigger API

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the notification API
Jérémie Galarneau [Tue, 1 Aug 2017 18:29:02 +0000 (14:29 -0400)] 
Docs: document the notification API

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the notification channel API
Jérémie Galarneau [Tue, 1 Aug 2017 18:23:43 +0000 (14:23 -0400)] 
Docs: document the notification channel API

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the evaluation API
Jérémie Galarneau [Tue, 1 Aug 2017 17:57:39 +0000 (13:57 -0400)] 
Docs: document the evaluation API

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the lttng_condition API
Jérémie Galarneau [Tue, 1 Aug 2017 16:25:57 +0000 (12:25 -0400)] 
Docs: document the lttng_condition API

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the lttng_buffer_usage condition API
Jérémie Galarneau [Mon, 31 Jul 2017 18:58:18 +0000 (14:58 -0400)] 
Docs: document the lttng_buffer_usage condition API

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the lttng_action_notify action type
Jérémie Galarneau [Mon, 31 Jul 2017 18:08:19 +0000 (14:08 -0400)] 
Docs: document the lttng_action_notify action type

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: document the lttng_action API
Jérémie Galarneau [Mon, 31 Jul 2017 18:07:59 +0000 (14:07 -0400)] 
Docs: document the lttng_action API

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: ambiguous ownership of kernel context by multiple channels
Jérémie Galarneau [Mon, 31 Jul 2017 21:51:35 +0000 (17:51 -0400)] 
Fix: ambiguous ownership of kernel context by multiple channels

A kernel context, when added to multiple channels, must be copied
before being added to individual channels. The current code
adds the same ltt_kernel_context structure to multiple kernel
channels which introduces a conceptual ambiguity in the ownership
of the context object.

Concretely, creating multiple kernel channels and adding a context
to all of them (by not specifying a channel name) causes the context
to be added to each channels' list of contexts, overwritting the
context's list node, and causing the channel context lists to become
corrupted. This results in crashes being observed during the
destruction of the session.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-enable-channel(1): move --output description to maintain A-Z ordering
Philippe Proulx [Mon, 31 Jul 2017 18:09:44 +0000 (14:09 -0400)] 
lttng-enable-channel(1): move --output description to maintain A-Z ordering

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-enable-channel(1): document --monitor-timer
Philippe Proulx [Mon, 31 Jul 2017 18:08:28 +0000 (14:08 -0400)] 
lttng-enable-channel(1): document --monitor-timer

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoPrettify channel listing
Jérémie Galarneau [Fri, 28 Jul 2017 21:00:07 +0000 (17:00 -0400)] 
Prettify channel listing

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUse pipe instead of eventfd() for notification command queue
Jonathan Rajotte [Thu, 27 Jul 2017 22:39:45 +0000 (18:39 -0400)] 
Use pipe instead of eventfd() for notification command queue

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: useless reset of ret to zero
Jonathan Rajotte [Wed, 26 Jul 2017 14:53:53 +0000 (10:53 -0400)] 
Cleanup: useless reset of ret to zero

ret is overwritten in the normal code flow.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: ret is never used on error_open code path
Jonathan Rajotte [Wed, 26 Jul 2017 14:52:15 +0000 (10:52 -0400)] 
Fix: ret is never used on error_open code path

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: use error code path instead of break when errors happen before execl
Jonathan Rajotte [Wed, 26 Jul 2017 14:29:17 +0000 (10:29 -0400)] 
Fix: use error code path instead of break when errors happen before execl

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: ignore useless check of execl() return value
Jonathan Rajotte [Tue, 25 Jul 2017 21:56:58 +0000 (17:56 -0400)] 
Cleanup: ignore useless check of execl() return value

execl only return if there is an error. errno is handled hence no need
to consider the return value which would always be -1.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: wrong variable assignment on error
Jonathan Rajotte [Tue, 25 Jul 2017 21:46:47 +0000 (17:46 -0400)] 
Fix: wrong variable assignment on error

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead increment of pointer
Jonathan Rajotte [Tue, 25 Jul 2017 21:43:58 +0000 (17:43 -0400)] 
Cleanup: remove dead increment of pointer

No further memcpy is performed no need to increment the pointer.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: missing error handling in use of print_tabs()
Jonathan Rajotte [Tue, 25 Jul 2017 21:20:45 +0000 (17:20 -0400)] 
Fix: missing error handling in use of print_tabs()

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: functions shall have a single exit point
Jonathan Rajotte [Tue, 25 Jul 2017 21:12:31 +0000 (17:12 -0400)] 
Cleanup: functions shall have a single exit point

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 20:57:50 +0000 (16:57 -0400)] 
Cleanup: remove dead assignment

Only handle cases where the returned error is not EEXIST. ret is
overwritten anyway.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 20:29:53 +0000 (16:29 -0400)] 
Cleanup: remove dead assignment

ret is not used when jumping to error_no_alloc.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 20:26:25 +0000 (16:26 -0400)] 
Cleanup: remove dead assignment

Both calling sites do not use the return value and errors are already
managed inside the called function.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 19:55:31 +0000 (15:55 -0400)] 
Cleanup: remove dead assignment

Artifact of refactor done in f8f3885cc52af9d3c951da78989d6f4a25270411

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 19:51:34 +0000 (15:51 -0400)] 
Cleanup: remove dead assignment

ret is not used for further error propagation.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 18:11:02 +0000 (14:11 -0400)] 
Cleanup: remove dead assignment

ret is overwritten no need to reset it.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 18:07:30 +0000 (14:07 -0400)] 
Cleanup: remove dead assignment

ret is always overwritten hence assign a value here is not necessary.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 18:05:17 +0000 (14:05 -0400)] 
Cleanup: remove dead assignment

ret is never used in error code path.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 18:03:36 +0000 (14:03 -0400)] 
Cleanup: remove dead assignment

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 18:01:48 +0000 (14:01 -0400)] 
Cleanup: dead assignment

ret is never used for error, use err instead.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: ret is used instead or err to set an error code
Jonathan Rajotte [Tue, 25 Jul 2017 15:31:02 +0000 (11:31 -0400)] 
Fix: ret is used instead or err to set an error code

Use err instead of ret. ret is never used for error reporting under
error label.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 15:14:55 +0000 (11:14 -0400)] 
Cleanup: remove dead assignment

Artifact of refactoring done in f8f3885cc52af9d3c951da78989d6f4a25270411

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: remove dead assignment
Jonathan Rajotte [Tue, 25 Jul 2017 14:54:48 +0000 (10:54 -0400)] 
Cleanup: remove dead assignment

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: report error using fd instead of ret
Jonathan Rajotte [Tue, 25 Jul 2017 14:45:32 +0000 (10:45 -0400)] 
Fix: report error using fd instead of ret

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-enable-channel(1): reword and fix style of --blocking-timeout description
Philippe Proulx [Tue, 25 Jul 2017 01:42:49 +0000 (21:42 -0400)] 
lttng-enable-channel(1): reword and fix style of --blocking-timeout description

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: doc/man: use a single XSL file and match local names
Philippe Proulx [Tue, 25 Jul 2017 01:36:36 +0000 (21:36 -0400)] 
Fix: doc/man: use a single XSL file and match local names

Matching the local name instead of the full name, that is:

   *[local-name() = 'co']

instead of just `co` matches both the non-namespaced element and
the DocBook-namespaced element whether we're using the DocBook 4.5 or
DocBook 5.0 stylesheets.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTests: rework select_poll_epoll test to improve verbosity on failure
Francis Deslauriers [Mon, 12 Jun 2017 16:13:23 +0000 (12:13 -0400)] 
Tests: rework select_poll_epoll test to improve verbosity on failure

Prints the tested values that caused a test failure to ease the
troubleshooting of unreliable tests.
Also, clean-up unused variables in multiple testcases.

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoOnly print relevant session statistics on stop
Jérémie Galarneau [Fri, 28 Jul 2017 15:26:09 +0000 (11:26 -0400)] 
Only print relevant session statistics on stop

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: NULL passed to memcpy in error path
Jérémie Galarneau [Fri, 28 Jul 2017 14:59:30 +0000 (10:59 -0400)] 
Fix: NULL passed to memcpy in error path

CID 1378708:  Null pointer dereferences  (FORWARD_NULL)
Passing null pointer "data" to "memcpy", which dereferences it.

Reported-by: Coverity Scan
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoOnly print relevant session statistics in channel listing
Jérémie Galarneau [Fri, 28 Jul 2017 14:42:46 +0000 (10:42 -0400)] 
Only print relevant session statistics in channel listing

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUniformize the printing of units in session listing
Jérémie Galarneau [Thu, 27 Jul 2017 21:55:14 +0000 (17:55 -0400)] 
Uniformize the printing of units in session listing

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: lost packet accounting always lost on snapshot
Julien Desfossez [Tue, 25 Jul 2017 19:23:49 +0000 (15:23 -0400)] 
Fix: lost packet accounting always lost on snapshot

Because of the continue when we fail to get a subbuff, the lost_packet
count is always reset to 0 before we can account it in the channel. Now
we account it directly before the continue.

Reported-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: report error on session listing
Jonathan Rajotte [Fri, 21 Jul 2017 15:09:14 +0000 (11:09 -0400)] 
Fix: report error on session listing

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTests: don't assume a 4K page size in test_notification
Jérémie Galarneau [Thu, 27 Jul 2017 20:48:44 +0000 (16:48 -0400)] 
Tests: don't assume a 4K page size in test_notification

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix live-comm: merge TCP socket write-write sequence in a single write
Jonathan Rajotte [Mon, 24 Jul 2017 20:07:00 +0000 (16:07 -0400)] 
Fix live-comm: merge TCP socket write-write sequence in a single write

The live protocol implementation is often sending content
on TCP sockets in two separate writes. One to send a command header,
and the second one sending the command's payload. This was presumably
done under the assumption that it would not result in two separate
TCP packets being sent on the network (or that it would not matter).

Delayed ACK-induced delays were observed [1] on the second write of the
"write header, write payload" sequence and result in problematic
latency build-ups for live clients connected to moderately/highly
active sessions.

Fundamentaly, this problem arises due to the combination of Nagle's
algorithm and the delayed ACK mechanism which make write-write-read
sequences on TCP sockets problematic as near-constant latency is
expected when clients can keep-up with the event production rate.

In such a write-write-read sequence, the second write is held up until
the first write is acknowledged (TCP ACK). The solution implemented
by this patch bundles the writes into a single one [2].

[1] https://github.com/tbricks/wireshark-lttng-plugin
    Basic Wireshark dissector for lttng-live by Anto Smyk from Itiviti
[2] https://lists.freebsd.org/pipermail/freebsd-net/2006-January/009527.html

Reported-by: Anton Smyk <anton.smyk@itiviti.com>
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: move notification thread documentation to header
Jérémie Galarneau [Wed, 26 Jul 2017 18:46:35 +0000 (14:46 -0400)] 
Docs: move notification thread documentation to header

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoDocs: grammar fix in comment
Jérémie Galarneau [Wed, 26 Jul 2017 18:46:09 +0000 (14:46 -0400)] 
Docs: grammar fix in comment

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: evaluate condition/trigger on subscription
Jonathan Rajotte [Tue, 4 Jul 2017 18:58:43 +0000 (14:58 -0400)] 
Fix: evaluate condition/trigger on subscription

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTest: Trigger conditions is evaluated on subscription
Jonathan Rajotte [Tue, 4 Jul 2017 18:58:42 +0000 (14:58 -0400)] 
Test: Trigger conditions is evaluated on subscription

It is expected that on subscription a trigger condition is evaluated and
the trigger fired if necessary. Currently evaluation is performed on
channel sampling and result in action only if the evaluation state flip.

This test hang if no evaluation is performed on notification client
subscription.

Ref #1102

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agosave/load: add blocking_timeout attribute to channel
Jonathan Rajotte [Thu, 6 Jul 2017 15:08:43 +0000 (11:08 -0400)] 
save/load: add blocking_timeout attribute to channel

Fixes #1119

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoIntroduce monitor_timer_interval to session configuration schema
Jonathan Rajotte [Thu, 6 Jul 2017 15:08:42 +0000 (11:08 -0400)] 
Introduce monitor_timer_interval to session configuration schema

Session configuration schema version is bumped to 2.10

Fixes #1099

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
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