lttng-tools.git
7 years agoFix: lttng list of channels should return errors
Mathieu Desnoyers [Fri, 26 May 2017 16:14:19 +0000 (18:14 +0200)] 
Fix: lttng list of channels should return errors

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: discard event/lost packet counters
Mathieu Desnoyers [Fri, 26 May 2017 16:14:18 +0000 (18:14 +0200)] 
Fix: discard event/lost packet counters

For per-pid buffers, we need to sum the counters for each application.

For per-uid buffers, if no application has launched yet, it should not
be considered as an error (which stops iteration on all other channels),
but rather as values of 0.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: missing errno.h include in time.h compat header
Jérémie Galarneau [Fri, 2 Jun 2017 18:49:20 +0000 (14:49 -0400)] 
Fix: missing errno.h include in time.h compat header

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: registry can be null on lookup
Jonathan Rajotte [Mon, 6 Feb 2017 20:28:52 +0000 (15:28 -0500)] 
Fix: registry can be null on lookup

A session teardown can be initiated by a dying application. Hence, a
session object can exist without a valid registry. As a result,
get_session_registry can return null. To prevent this, the UST
application session lock should be held, when possible, when looking up
the registry to ensure synchronization. Otherwise the presence of a
registry is not guaranteed. In such case, handling a null return value
from look-up registry function is necessary.

Core dumps, triggered by the "assert(registry)" statement found in
reply_ust_register_channel, were observed when killing instrumented
applications. In this occurrence, obtaining the UST application lock
result in a deadlock since the lock is already held during
ust_app_global_create. Handling the null value is simpler and
corresponds with the handling of previous look-up done during the
function.

Handling of null value is also applied to:
add_event_ust_registry
add_enum_ust_registry
ust_app_snapshot_record

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoTest: Replace test relying on pselect6(2) man page ambiguity
Francis Deslauriers [Wed, 31 May 2017 21:08:23 +0000 (17:08 -0400)] 
Test: Replace test relying on pselect6(2) man page ambiguity

The `pselect_fd_too_big` test is checking for the case where the `nfds`
is larger than the number of open files allowed for this process
(RLIMIT_NOFILE).

According to the ERRORS section of the pselect6(2) kernel man page[1], if
`nfds` > RLIMIT_NOFILE is evaluate to true the pselect6 syscall should
return EINVAL but the BUGS section mentions that the current
implementation ignores any FD larger than the highest numbered FD of the
current process.

This is in fact what happens. The Linux implementation of the pselect6
syscall[2] does not compare the `nfds` and RLIMIT_NOFILE, but rather caps
`nfds` to the highest numbered FD of the current process as the BUGS
kernel man page mentionned.

It was observed elsewhere that there is a discrepancy between the manual
page and the implementation[3].

As a solution, replace the current testcase with one that checks the
behaviour of the syscall when an invalid FD is passed.

[1]:http://man7.org/linux/man-pages/man2/pselect6.2.html
[2]:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/fs/select.c#n619
[3]:https://patchwork.kernel.org/patch/9345805/

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: use "flush empty" ioctl for snapshots
Mathieu Desnoyers [Thu, 11 May 2017 21:53:58 +0000 (17:53 -0400)] 
Fix: use "flush empty" ioctl for snapshots

When the flush empty ioctl is available, use it to produce an empty
packet at the end of the snapshot, which ensures the stream intersection
feature works.

If this specific ioctl is not available, fallback on the "flush" ioctl,
which does not produce empty packets.

In that situation, there were two prior behaviors possible for
lttng-modules: earlier versions implement a "snapshot" command which
does not perform an implicit "flush_empty". In that case, the stream
intersection feature may not be reliable. In more recent lttng-modules
versions (included stable branch) which did not implement the
flush_empty ioctl, the snapshot ioctl implicitly performed a
flush_empty, which makes the stream intersection feature work, but has
side-effects on the snapshot ioctl performed by the live timer (produces
a stream of empty packets in live mode).

[ Please apply to master, 2.10, 2.9, 2.8 branches. ]

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: lttng-consumerd: cpu hotplug: send "streams_sent" command
Mathieu Desnoyers [Thu, 11 May 2017 20:00:56 +0000 (16:00 -0400)] 
Fix: lttng-consumerd: cpu hotplug: send "streams_sent" command

When creating a new channel, the streams being sent to the relayd are
kept invisible to the live client until the "streams_sent" command is
received. This ensures the client does not see a partial stream set.

This "streams_sent" command needs to be sent on CPU hotplug too,
otherwise the live client handling within relayd is not aware of those
streams (they are never published).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: lttng-sessiond: cpu hotplug: send channel to consumer only once
Mathieu Desnoyers [Thu, 11 May 2017 20:00:55 +0000 (16:00 -0400)] 
Fix: lttng-sessiond: cpu hotplug: send channel to consumer only once

On CPU hotplug, we currently send a duplicate of the channel key, which
allocates its own object (duplicated) within the consumerd. We want the
newly added stream to map to the pre-existing channel key, so don't send
the channel duplicate.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: lttng-sessiond: cpu hotplug stream number mismatch
Mathieu Desnoyers [Thu, 11 May 2017 20:00:54 +0000 (16:00 -0400)] 
Fix: lttng-sessiond: cpu hotplug stream number mismatch

The counter should be always increasing (kept in the channel), rather
than local to the function. This causes cpu hotplug handling to
disregard further streams that should be added to the consumer output
on CPU hotplug.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: consumer_timer_signal_thread_qs waits on LTTNG_CONSUMER_SIG_SWITCH
Jérémie Galarneau [Thu, 18 May 2017 20:15:20 +0000 (16:15 -0400)] 
Fix: consumer_timer_signal_thread_qs waits on LTTNG_CONSUMER_SIG_SWITCH

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: thread exit vs futex wait/wakeup race
Mathieu Desnoyers [Wed, 17 May 2017 22:36:54 +0000 (18:36 -0400)] 
Fix: thread exit vs futex wait/wakeup race

relayd_live_stop performs, in this order:

        CMM_STORE_SHARED(live_dispatch_thread_exit, 1);   [A]
        futex_nto1_wake(&viewer_conn_queue.futex);        [B]

whereas thread_dispatcher does:

   while (!CMM_LOAD_SHARED(live_dispatch_thread_exit)) {  [1]

     [...]
     futex_nto1_prepare(&viewer_conn_queue.futex);        [2]
     [...]
     futex_nto1_wait(&viewer_conn_queue.futex);           [3]

Unfortunately, on the following sequence:

[1] [A] [B] [2] [3]

thread_dispatcher will end up hanging.

We need to move the live_dispatch_thread_exit load between "prepare" and
"wait" to fix this.

There are similar scenarios with relay_thread_dispatcher, and the
session daemon thread_dispatch_ust_registration, which are also fixed
here.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: status_loc argument of waitpid() is used on error
Jérémie Galarneau [Mon, 15 May 2017 14:37:18 +0000 (10:37 -0400)] 
Fix: status_loc argument of waitpid() is used on error

waitpid() may leave stat_loc uninitialized on error (depending
on errno's value, see WAIT(3)).

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: COMPAT_EPOLL_PROC_PATH is available from Linux 2.6.28
Jonathan Rajotte [Tue, 9 May 2017 19:46:35 +0000 (15:46 -0400)] 
Fix: COMPAT_EPOLL_PROC_PATH is available from Linux 2.6.28

v2: Typo in commit message "per see" -> "per se"

Failing on opening [1] is not an error per se. [1] was
introduced in Linux 2.6.28 but epoll is available since
2.5.44. Hence, goto end and set a default value without
setting error return value.

[1] /proc/sys/fs/epoll/max_user_watches

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agodoc: how to trace consumerd with valgrind
Mathieu Desnoyers [Mon, 8 May 2017 12:38:37 +0000 (08:38 -0400)] 
doc: how to trace consumerd with valgrind

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: initialize kernel ioctl ABI structures to 0
Mathieu Desnoyers [Mon, 8 May 2017 12:34:57 +0000 (08:34 -0400)] 
Cleanup: initialize kernel ioctl ABI structures to 0

Valgrind complains that we pass uninitialized data to the kernel.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoCleanup: initialize data to 0
Mathieu Desnoyers [Mon, 8 May 2017 12:15:20 +0000 (08:15 -0400)] 
Cleanup: initialize data to 0

Valgrind catches read of uninitialized data caused by the on-stack
"data" argument which ends up not being fully initialized (it contains a
union).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: assert() on null index_file in lttng_index_file_write()
Jonathan Rajotte [Mon, 24 Apr 2017 19:59:20 +0000 (15:59 -0400)] 
Fix: assert() on null index_file in lttng_index_file_write()

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: fail on relayd lookup when finding a relayd is expected
Jonathan Rajotte [Mon, 24 Apr 2017 19:32:15 +0000 (15:32 -0400)] 
Fix: fail on relayd lookup when finding a relayd is expected

An actual relayd lookup error leads to using the code path of a local
handling. Since stream->index_file is NULL when expecting a relayd, using
the code path for local handling results in an invalid access.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUpdate version to v2.9.4 v2.9.4
Jérémie Galarneau [Tue, 21 Feb 2017 02:39:48 +0000 (21:39 -0500)] 
Update version to v2.9.4

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoPort: Link with no-undefined on Windows
Michael Jeanson [Thu, 2 Feb 2017 22:09:43 +0000 (17:09 -0500)] 
Port: Link with no-undefined on Windows

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoPort: win32 DLLs don't support hidden symbols
Michael Jeanson [Thu, 26 Jan 2017 20:09:22 +0000 (15:09 -0500)] 
Port: win32 DLLs don't support hidden symbols

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoPort: add cygwin support to endian compat
Michael Jeanson [Thu, 26 Jan 2017 20:09:21 +0000 (15:09 -0500)] 
Port: add cygwin support to endian compat

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: Remove unused headers
Michael Jeanson [Thu, 26 Jan 2017 19:55:46 +0000 (14:55 -0500)] 
Fix: Remove unused headers

This is a portability fix, these headers are unused and not available on
some platforms.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: tests: register thread for RCU operations.
Jonathan Rajotte [Thu, 26 Jan 2017 19:53:03 +0000 (14:53 -0500)] 
Fix: tests: register thread for RCU operations.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: Lazily initialize max poll set size in poll compat
Michael Jeanson [Thu, 26 Jan 2017 19:36:45 +0000 (14:36 -0500)] 
Fix: Lazily initialize max poll set size in poll compat

This was applied to the epoll implementation in commit
22dad56815ce0201c5ae7d5ef5d79cc0c6a42c5e

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: null dereference on error path for create_ctx_type
Jonathan Rajotte [Tue, 17 Jan 2017 15:08:47 +0000 (10:08 -0500)] 
Fix: null dereference on error path for create_ctx_type

When zmalloc of type->opt fail the destroy_ctx_type would result in a
null dereference.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: test_ust_data dereference of null pointer
Jonathan Rajotte [Tue, 17 Jan 2017 15:08:22 +0000 (10:08 -0500)] 
Fix: test_ust_data dereference of null pointer

Skip test on NULL value to prevent null dereference.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: test_kernel_data dereference of null pointer
Jonathan Rajotte [Tue, 17 Jan 2017 15:02:08 +0000 (10:02 -0500)] 
Fix: test_kernel_data dereference of null pointer

Skip tests when tested struct is null.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoMan: move [SESSION] before options
Jonathan Rajotte [Fri, 13 Jan 2017 22:04:42 +0000 (17:04 -0500)] 
Man: move [SESSION] before options

The previous synopses for the live mode can cause confusion to users
since it can lead to an error while trying one of the simplest create
command for live session that the synopsis is proposing:

lttng create --live test.

Other synopsis are modified for symmetry.

Fixes #1081

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: consumerd: add missing put_subbuf for ust and kernel errors
Mathieu Desnoyers [Wed, 11 Jan 2017 20:49:49 +0000 (15:49 -0500)] 
Fix: consumerd: add missing put_subbuf for ust and kernel errors

While reading a sub-buffer, error handling need to put the sub-buffer,
else all future attempts to use the stream will trigger warnings.

The affects recent features added to UST and kernel tracing.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: sessiond: only send streams to consumer once
Mathieu Desnoyers [Wed, 11 Jan 2017 20:49:48 +0000 (15:49 -0500)] 
Fix: sessiond: only send streams to consumer once

Session daemon should not send streams to consumer daemon
repeatedly when CPU hotplug is performed while doing kernel
tracing.

This causes the consumer daemon to have multiple file descriptors
on the same stream, and thus try to perform operations like reading
a sub-buffer and checking for data pending concurrently. This triggers
safety-net warnings in the kernel tracer.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: consumerd main: needs to be a registered RCU thread
Mathieu Desnoyers [Thu, 19 Jan 2017 00:23:27 +0000 (19:23 -0500)] 
Fix: consumerd main: needs to be a registered RCU thread

main->lttng_consumer_destroy->destroy_data_stream_ht requires a RCU
read-side lock.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: thread_dispatch_ust_registration needs to be a RCU thread
Mathieu Desnoyers [Thu, 19 Jan 2017 00:23:26 +0000 (19:23 -0500)] 
Fix: thread_dispatch_ust_registration needs to be a RCU thread

It uses a read-side lock.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: don't abort metadata push on closed metadata
Jérémie Galarneau [Thu, 19 Jan 2017 00:23:09 +0000 (19:23 -0500)] 
Fix: don't abort metadata push on closed metadata

The failure/exit of any of the consumerd, relayd or applications
(in per-PID buffer mode) will cause the metadata closed flag to
be set.

While pushing new metadata updates to the consumerd (and relayd
in streaming/live scenarios) will fail, those conditions should
be handled in-place.

Applications are _expected_ to exit during the course of a per-PID
session. However, they will typically have pushed their metadata
to the metadata cache before doing so. The session daemon must
flush the unconsumed metadata to the consumerd in this case.

Failure to answer to the metadata request originating from the
consumerd can cause it to keep the stream lock held and, thus,
prevent the channel poll thread from cleaning up on channel
close.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-tools: remove bogus interpreter line from utils shell library
Nathan Lynch [Mon, 9 Jan 2017 22:14:28 +0000 (16:14 -0600)] 
lttng-tools: remove bogus interpreter line from utils shell library

tests/utils/utils.sh is always sourced, never executed, and
/src/bin/bash is not a typical path for a shell interpreter.  Just
delete it.

Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUpdate version to v2.9.3 v2.9.3
Jérémie Galarneau [Mon, 9 Jan 2017 19:14:41 +0000 (14:14 -0500)] 
Update version to v2.9.3

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: consumerd: order of metadata cache vs stream lock
Mathieu Desnoyers [Mon, 9 Jan 2017 16:23:16 +0000 (11:23 -0500)] 
Fix: consumerd: order of metadata cache vs stream lock

The locking order comment in consumer.h is incorrect. First, its
description of locking order is not in sync with the comment found in
consumer-metadata-cache.h. The comment in struct consumer_metadata_cache
only states that the metadata cache lock nests inside the consumer_data
lock, and does not mention the stream lock, which implies that the
metadata cache lock does NOT nest inside the stream lock. But let's
investigate further to confirm:

* lttng_consumer_read_subbuffer() acquires the stream lock, and then
  calls lttng_ustconsumer_read_subbuffer() with stream lock held,
  and then invokes commin_one_metadata_packet(), which acquires the
  metadata cache lock.

* lttng_ustconsumer_sync_metadata() acquires the metadata stream lock,
  and calls commit_one_metadata_packet(), which takes the metadata cache
  lock.

Therefore, update the comment in consumer.h to state that the metadata
cache lock nests INSIDE the stream lock, and update
consumer_del_metadata_stream() accordingly.

This should take care of fixing the locking order reversal found by
Coverity.

CID 1368314 (#1 of 1): Thread deadlock (ORDER_REVERSAL)
CID 1368319:  Program hangs  (ORDER_REVERSAL)

Fixes: 5feafd4130 "Fix: protect the channel's metadata stream using the metadata cache lock"
Fixes: 1ea6cc572b "Fix: lock nesting order reversed"
Fixes: fb549e7ac2 "Fix: reverse channel and metadata cache lock nesting order"
Reported-by: Coverity Scan
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: add missing rcu_barrier before daemon teardown
Mathieu Desnoyers [Wed, 21 Dec 2016 22:59:38 +0000 (17:59 -0500)] 
Fix: add missing rcu_barrier before daemon teardown

When performing the "cleanup" of sessiond, consumerd, and relayd, we
destroy data structures that may still be concurrently accessed by
call_rcu worker thread.

Ensure no more work is present in the call_rcu worker thread by issuing
a rcu_barrier barrier. Note that this expects call_rcu handlers don't
chain work to other call_rcu handlers.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: Add missing pthread.h include
Michael Jeanson [Mon, 5 Dec 2016 20:39:26 +0000 (15:39 -0500)] 
Fix: Add missing pthread.h include

Some libc like musl and uClibc requires explicit includes of pthread.h

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: support for older versions of Babeltrace in test script
Francis Deslauriers [Tue, 20 Dec 2016 21:31:26 +0000 (16:31 -0500)] 
Fix: support for older versions of Babeltrace in test script

A new context field was introduced in version LTTng 2.8 that is printed
by Babeltrace prior to v1.2.5. This regex thus fails to match the
output. Since the context fields are not used by the script, we create a
non-capturing group for these fields that matches on both old and new
Babeltrace.
This is causing problems on Ubuntu 14.04 Trusty when building
lttng-tools from source and using the Babeltrace package from the
official repository (v1.2.1) to run the test suite.

Also, this patch removes commented and used code in the function but
keeps the names of non-capturing groups for readability.

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
CC: Philippe Proulx <pproulx@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: reverse channel and metadata cache lock nesting order
Jérémie Galarneau [Sun, 8 Jan 2017 19:29:09 +0000 (14:29 -0500)] 
Fix: reverse channel and metadata cache lock nesting order

CID 1368319:  Program hangs  (ORDER_REVERSAL)

The lttng_consumer_channel lock must be nested outside of the
metadata cache lock, as indicated in the structure's comments.

Reported-by: Coverity Scan
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUpdate version to v2.9.2 v2.9.2
Jérémie Galarneau [Sat, 7 Jan 2017 21:24:59 +0000 (16:24 -0500)] 
Update version to v2.9.2

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: only lock the metadata_cache in userspace consumers
Jérémie Galarneau [Sat, 7 Jan 2017 18:42:12 +0000 (13:42 -0500)] 
Fix: only lock the metadata_cache in userspace consumers

The kernel consumer, which re-uses the consumer_del_metadata_stream
function, has no metadata cache. Therefore, it can't be used to
protect the metadata stream (see 5feafd41).

However, only the userspace consumers invoke
consumer_metadata_cache_write() which the previous fix seeked to
protect against. It is therefore safe to omit this lock in the
kernel consumer case.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: lock nesting order reversed
Jérémie Galarneau [Sat, 7 Jan 2017 17:32:13 +0000 (12:32 -0500)] 
Fix: lock nesting order reversed

The lttng_consumer_stream lock must nest INSIDE the metadata
cache lock, as indicated in the structure's comments
(see consumer.h:340).

CID 1368314 (#1 of 1): Thread deadlock (ORDER_REVERSAL)

Reported-by: Coverity Scan
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUpdate version to v2.9.1 v2.9.1
Jérémie Galarneau [Fri, 6 Jan 2017 19:58:28 +0000 (14:58 -0500)] 
Update version to v2.9.1

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: lttng-relayd: forcefully close stream on relayd shutdown
Jonathan Rajotte [Tue, 20 Dec 2016 23:25:17 +0000 (18:25 -0500)] 
Fix: lttng-relayd: forcefully close stream on relayd shutdown

Add an "aborted" field to relay_session struct to indicate that on
shutdown pending data for a stream is no relevant and should not be
waited for.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: protect the channel's metadata stream using the metadata cache lock
Jérémie Galarneau [Wed, 21 Dec 2016 22:56:24 +0000 (17:56 -0500)] 
Fix: protect the channel's metadata stream using the metadata cache lock

The consumer_thread_data_poll and consumer_thread_metadata_poll
both access the channel's metadata stream.

During a session destruction, consumer_thread_metadata_poll will
destroy all metadata streams. However, the consumer_thread_data_poll
may still invoke a consumer_metadata_cache_write() triggered
by a "ready" subbuffer. Hence, the metadata stream must be protected
from this action by the metadata cache lock.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: double unlock of metadata mutex on error
Jérémie Galarneau [Tue, 20 Dec 2016 20:00:04 +0000 (15:00 -0500)] 
Fix: double unlock of metadata mutex on error

lttng_ustconsumer_sync_metadata must leave the metadata lock
in its initial state. Otherwise an error may result in a
double unlock in the caller.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: add element length check in lttng_index_file_open
Mathieu Desnoyers [Thu, 15 Dec 2016 11:13:19 +0000 (12:13 +0100)] 
Fix: add element length check in lttng_index_file_open

Handle cases where the index file header would contain a corrupted
value.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: free previous instance of url (alloc_url) on default live url assignation
Jonathan Rajotte [Mon, 12 Dec 2016 21:39:17 +0000 (16:39 -0500)] 
Fix: free previous instance of url (alloc_url) on default live url assignation

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: relayd vs consumerd compatibility
Mathieu Desnoyers [Thu, 15 Dec 2016 10:04:57 +0000 (11:04 +0100)] 
Fix: relayd vs consumerd compatibility

relay and consumerd 2.7 and 2.8 are expected to negociate compatibility
with the lowest common minor version.

If a consumer daemon 2.8 interacts with a relayd 2.7, it needs to send
the index fields for ctf index 1.0. Same if a relayd 2.8 interacts with
a consumer daemon 2.7: relayd should expect ctf index 1.0 fields, and
generate a ctf index 1.0 index file layout.

If both relayd and consumerd versions are 2.8+, then we can send the ctf
index 1.1 fields over the protocol, and store them in the index files.

Whenever the relayd live viewer server opens and reads an index file,
it needs to use the file's header to figure out the index "element"
size.

[ Should be applied to master, stable-2.9, stable-2.8. ]

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-add-context(1): add missing man: prefix
Philippe Proulx [Wed, 30 Nov 2016 17:29:06 +0000 (12:29 -0500)] 
lttng-add-context(1): add missing man: prefix

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoUpdate version to v2.9.0 v2.9.0
Jérémie Galarneau [Tue, 29 Nov 2016 22:42:32 +0000 (17:42 -0500)] 
Update version to v2.9.0

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoAdd 2.9.0 release beer description
Jérémie Galarneau [Tue, 29 Nov 2016 22:40:52 +0000 (17:40 -0500)] 
Add 2.9.0 release beer description

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-add-context(1): fix style
Philippe Proulx [Mon, 28 Nov 2016 23:54:41 +0000 (18:54 -0500)] 
lttng-add-context(1): fix style

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-snapshot(1): fix style
Philippe Proulx [Mon, 28 Nov 2016 23:27:53 +0000 (18:27 -0500)] 
lttng-snapshot(1): fix style

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-metadata(1): fix style
Philippe Proulx [Mon, 28 Nov 2016 23:27:43 +0000 (18:27 -0500)] 
lttng-metadata(1): fix style

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agodoc/man: put short option's argument too
Philippe Proulx [Mon, 28 Nov 2016 23:25:28 +0000 (18:25 -0500)] 
doc/man: put short option's argument too

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoRemove `metadata` command from various help resources
Philippe Proulx [Mon, 28 Nov 2016 23:14:55 +0000 (18:14 -0500)] 
Remove `metadata` command from various help resources

This command is now deprecated. Its own man page remains available
and warns the user that it's deprecated and suggests to look at
lttng-regenerate(1) instead.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoList the `regenerate` command in various help resources
Philippe Proulx [Mon, 28 Nov 2016 23:06:34 +0000 (18:06 -0500)] 
List the `regenerate` command in various help resources

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agolttng-load(1): fix synopsis and style
Philippe Proulx [Mon, 28 Nov 2016 22:57:06 +0000 (17:57 -0500)] 
lttng-load(1): fix synopsis and style

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 years agoFix: truncate the metadata file in shm-path
Liguang Li [Mon, 28 Nov 2016 08:37:47 +0000 (16:37 +0800)] 
Fix: truncate the metadata file in shm-path

In the shm-path mode, the metadata will be backuped to a metadata
file, when run the lttng command "lttng metadata regenerate" to
resample the wall time following a major NTP correction, the metadata
file will not be truncated and regenerated.

Add the function clear_metadata_file() to truncate and regenerate the
metadata file.

Signed-off-by: Liguang Li <liguang.li@windriver.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoLoad: add message indication that a name override was carried out
Jonathan Rajotte [Thu, 24 Nov 2016 22:14:22 +0000 (17:14 -0500)] 
Load: add message indication that a name override was carried out

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoLoad: expose overrides elements in mi
Jonathan Rajotte [Thu, 24 Nov 2016 21:44:17 +0000 (16:44 -0500)] 
Load: expose overrides elements in mi

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: assign values to path, ctrl and data uris during configuration load
Jonathan Rajotte [Thu, 24 Nov 2016 19:33:32 +0000 (14:33 -0500)] 
Fix: assign values to path, ctrl and data uris during configuration load

Since overrides can be partial (name only, etc.) always assign a base
value from the configuration being loaded then apply overrides.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoLoad: test that name override does not have side effects
Jonathan Rajotte [Thu, 24 Nov 2016 19:27:28 +0000 (14:27 -0500)] 
Load: test that name override does not have side effects

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoDocs: remove invalid short option -U and move option descriptions
Jérémie Galarneau [Thu, 24 Nov 2016 16:07:42 +0000 (11:07 -0500)] 
Docs: remove invalid short option -U and move option descriptions

Reported-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: add missing refcount of loaded modules
Francis Deslauriers [Mon, 21 Nov 2016 17:36:00 +0000 (12:36 -0500)] 
Fix: add missing refcount of loaded modules

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: only unload successfully loaded kernel modules
Jérémie Galarneau [Fri, 18 Nov 2016 21:35:34 +0000 (16:35 -0500)] 
Fix: only unload successfully loaded kernel modules

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: test cases now rely on explicit workloads
Francis Deslauriers [Thu, 10 Nov 2016 20:26:35 +0000 (15:26 -0500)] 
Fix: test cases now rely on explicit workloads

Run a process explicitly in the tracing session to generate the enabled events
rather than relying on the events generated by the lttng CLI.

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agom4/pprint.m4: update with correct quoting
Philippe Proulx [Wed, 2 Nov 2016 07:25:25 +0000 (03:25 -0400)] 
m4/pprint.m4: update with correct quoting

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoconfigure.ac: move warning to end of output for the end user
Philippe Proulx [Fri, 28 Oct 2016 23:01:19 +0000 (19:01 -0400)] 
configure.ac: move warning to end of output for the end user

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agodoc/man: only require asciidoc-attrs.conf when building the man pages
Philippe Proulx [Fri, 28 Oct 2016 22:33:19 +0000 (18:33 -0400)] 
doc/man: only require asciidoc-attrs.conf when building the man pages

Situations:

* If you want to and can build the man pages:
  * If it's a tarball tree:
    * Make the man page destinations depend on asciidoc-attrs.conf.
      Since it's a generated file, its date is greater than the
      date of the prebuilt man pages, therefore the man pages are
      built again, which is a good thing because they include the
      default values of this build.
  * If it's a Git tree:
    * Always build the man pages anyway (no prebuilt man pages here).
* If you want to, but cannot build the man pages:
  * If it's a tarball tree:
    * Make the man page destinations NOT depend on asciidoc-attrs.conf,
      because its recent date would ask said destinations to be rebuilt
      and this is not possible because we don't have the tools.

      However, warn the user at configure time that the prebuilt man
      pages will be installed, which means that they will contain the
      project's default values, not this build's default values.
  * If it's a Git tree:
    * Not valid: error at configure time as usual.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoTest fix: increase test count in plan of test_perf_raw
Jérémie Galarneau [Thu, 10 Nov 2016 19:47:14 +0000 (14:47 -0500)] 
Test fix: increase test count in plan of test_perf_raw

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoCreate a dedicated test suite for Perf
Julien Desfossez [Mon, 12 Sep 2016 20:57:10 +0000 (16:57 -0400)] 
Create a dedicated test suite for Perf

Introduce the perf_regression test suite that must be run manually to
check if the support for the Perf-related features are available on the
current machine. This test cannot be run automatically since there are
some platforms where it can fail (VMs, some SoCs, etc).

For now, the test only makes sure that we can trace events with perf
contexts enabled by raw ID in kernel and user-space. The test only works
if libpfm is installed on the system and fails if it is not installed.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoTests: accommodate stricter mktemp implementations in tests
Nathan Lynch [Tue, 1 Nov 2016 17:25:47 +0000 (11:25 -0600)] 
Tests: accommodate stricter mktemp implementations in tests

Busybox's mktemp command uses mkstemp(3) which requires the last six
characters of the template to be X's.  Extend the mktemp templates
used in the test scripts.

Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoAdd version info to lttng-relayd help
Anders Wallin [Thu, 20 Oct 2016 05:58:55 +0000 (07:58 +0200)] 
Add version info to lttng-relayd help

lttng-relayd man pages states that the option
-V --version is available, but it it's missing in the code

Signed-off-by: Anders Wallin <wallinux@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: stop sessiond threads on health thread error
Jérémie Galarneau [Thu, 20 Oct 2016 21:05:14 +0000 (17:05 -0400)] 
Fix: stop sessiond threads on health thread error

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: stop lttng-relayd threads on health thread error
Jérémie Galarneau [Thu, 20 Oct 2016 19:45:42 +0000 (15:45 -0400)] 
Fix: stop lttng-relayd threads on health thread error

The lttng-relayd health thread may fail to initialize for
a variety of reason (notably, a too long unix domain socket
address), which will cause it to never notify that it is
ready.

In such circumstances, the lttng-relayd command, in background or
daemonize mode, will never return as the daemon's "readyness"
will never be signaled.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: report an error if unix socket address is too long
Jérémie Galarneau [Thu, 20 Oct 2016 19:45:13 +0000 (15:45 -0400)] 
Fix: report an error if unix socket address is too long

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: save: leak of configuration file fd
Jonathan Rajotte [Tue, 18 Oct 2016 22:09:53 +0000 (18:09 -0400)] 
Fix: save: leak of configuration file fd

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoUpdate version to v2.9.0-rc1 v2.9.0-rc1
Jérémie Galarneau [Fri, 7 Oct 2016 22:27:03 +0000 (18:27 -0400)] 
Update version to v2.9.0-rc1

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoSet 2.9 codename and description
Jérémie Galarneau [Fri, 7 Oct 2016 22:22:36 +0000 (18:22 -0400)] 
Set 2.9 codename and description

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: warn when a loaded session can't be set as the default
Jérémie Galarneau [Fri, 7 Oct 2016 21:03:26 +0000 (17:03 -0400)] 
Fix: warn when a loaded session can't be set as the default

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoWarning fix: forward declare struct lttng_ust_calibrate
Jérémie Galarneau [Fri, 7 Oct 2016 20:39:46 +0000 (16:39 -0400)] 
Warning fix: forward declare struct lttng_ust_calibrate

lttng-ust's ust-ctl.h still refers to struct lttng_ust_calibrate
which causes gcc to emit a "‘struct lttng_ust_calibrate’ is
declared inside a parameter list" warning.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agolttng-enable-channel(1): remove redundant --discard from synopsis
Philippe Proulx [Tue, 9 Aug 2016 19:17:25 +0000 (15:17 -0400)] 
lttng-enable-channel(1): remove redundant --discard from synopsis

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agotest: load --override-name
Jonathan Rajotte [Thu, 6 Oct 2016 21:12:38 +0000 (17:12 -0400)] 
test: load --override-name

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoload: introduce --override-name
Jonathan Rajotte [Fri, 7 Oct 2016 16:03:34 +0000 (12:03 -0400)] 
load: introduce --override-name

The --override-name option allow users to override the name of the
session to be loaded using the command-line.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoman: lttng-load fix up
Jonathan Rajotte [Wed, 5 Oct 2016 21:04:33 +0000 (17:04 -0400)] 
man: lttng-load fix up

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoDocs: grammar fix in load.h
Jérémie Galarneau [Fri, 7 Oct 2016 19:04:44 +0000 (15:04 -0400)] 
Docs: grammar fix in load.h

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agolttng_ctl: add session_name to load override
Jonathan Rajotte [Mon, 3 Oct 2016 19:18:42 +0000 (15:18 -0400)] 
lttng_ctl: add session_name to load override

Introduce the override of the session name during the loading of a session.

Can only be used when a session name to be loaded is provided.
Renaming of multiple session is ambiguous.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoFix: test presence of override_attr before accessing its member
Jonathan Rajotte [Mon, 3 Oct 2016 18:57:31 +0000 (14:57 -0400)] 
Fix: test presence of override_attr before accessing its member

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoload: objects returned by getters do not need to be freed
Jonathan Rajotte [Fri, 7 Oct 2016 15:38:28 +0000 (11:38 -0400)] 
load: objects returned by getters do not need to be freed

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoRemove lttng_load_session_attr_get_override_path_url
Jérémie Galarneau [Fri, 7 Oct 2016 16:25:47 +0000 (12:25 -0400)] 
Remove lttng_load_session_attr_get_override_path_url

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoDocs: change order of set functions in load.h to match get
Jérémie Galarneau [Fri, 7 Oct 2016 16:25:21 +0000 (12:25 -0400)] 
Docs: change order of set functions in load.h to match get

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoRemove calibrate documentation
Philippe Proulx [Tue, 14 Jun 2016 23:17:06 +0000 (19:17 -0400)] 
Remove calibrate documentation

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoRemove calibrate from liblttng-ctl
Philippe Proulx [Tue, 14 Jun 2016 23:10:30 +0000 (19:10 -0400)] 
Remove calibrate from liblttng-ctl

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoRemove calibrate from lttng-sessiond
Philippe Proulx [Tue, 14 Jun 2016 22:50:32 +0000 (18:50 -0400)] 
Remove calibrate from lttng-sessiond

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoRemove calibrate from Python bindings
Philippe Proulx [Tue, 14 Jun 2016 22:47:24 +0000 (18:47 -0400)] 
Remove calibrate from Python bindings

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 years agoRemove calibrate from Bash completion script
Philippe Proulx [Tue, 14 Jun 2016 22:44:45 +0000 (18:44 -0400)] 
Remove calibrate from Bash completion script

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
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