lttng-tools.git
9 years agoTest: mi: track/untrack feature
Jonathan Rajotte [Sat, 28 Mar 2015 22:00:09 +0000 (18:00 -0400)] 
Test: mi: track/untrack feature

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoUtil: xml_extract: add node_exist option
Jonathan Rajotte [Fri, 3 Apr 2015 21:15:43 +0000 (17:15 -0400)] 
Util: xml_extract: add node_exist option

The node_exist argument permit a more flexible way to extract informations
within test suites. We can check the presence of a node and not only list
the content of a final node.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoMi: track/untrack: validation
Jérémie Galarneau [Tue, 11 Aug 2015 19:15:27 +0000 (15:15 -0400)] 
Mi: track/untrack: validation

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoDocs: Grammar fixes in mi_lttng.xsd
Jérémie Galarneau [Tue, 11 Aug 2015 16:53:49 +0000 (12:53 -0400)] 
Docs: Grammar fixes in mi_lttng.xsd

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoFix: Ensure a valid command error code is returned by track/untrack
Jérémie Galarneau [Tue, 11 Aug 2015 16:44:06 +0000 (12:44 -0400)] 
Fix: Ensure a valid command error code is returned by track/untrack

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoClean-up: Remove java-doc annotations from function header
Jérémie Galarneau [Tue, 11 Aug 2015 16:23:28 +0000 (12:23 -0400)] 
Clean-up: Remove java-doc annotations from function header

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoMi: track/untrack/listing
Jonathan Rajotte [Tue, 11 Aug 2015 19:14:11 +0000 (15:14 -0400)] 
Mi: track/untrack/listing

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoFix: intialization of ust_metadata_poll_pipe to garbage value
Jérémie Galarneau [Fri, 7 Aug 2015 21:01:37 +0000 (17:01 -0400)] 
Fix: intialization of ust_metadata_poll_pipe to garbage value

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoFix "allocator sizeof operand mismatch" warning
Jérémie Galarneau [Fri, 7 Aug 2015 20:17:02 +0000 (16:17 -0400)] 
Fix "allocator sizeof operand mismatch" warning

Addresses benign scan-build waring:
Result of 'realloc' is converted to a pointer of type 'char *',
which is incompatible with sizeof operand type 'char **'

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoClean-up: Remove java-doc style function header from session.h
Jérémie Galarneau [Fri, 7 Aug 2015 19:10:18 +0000 (15:10 -0400)] 
Clean-up: Remove java-doc style function header from session.h

While we should move to a consistent API documentation style,
this function's documentation is inconsistent with the rest
of the public LTTng API.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoClean-up: remove extra space in comment
Jérémie Galarneau [Fri, 7 Aug 2015 19:08:14 +0000 (15:08 -0400)] 
Clean-up: remove extra space in comment

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoFix: test_mi test
Mathieu Desnoyers [Thu, 6 Aug 2015 19:52:37 +0000 (15:52 -0400)] 
Fix: test_mi test

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoTests: Java agent: Add configure switches to enable tests
Michael Jeanson [Thu, 6 Aug 2015 16:39:13 +0000 (12:39 -0400)] 
Tests: Java agent: Add configure switches to enable tests

This patch adds the switches --enable-test-java-agent-(jul|log4j|all) to
the configure script, the tests now need to be explicitly enabled and
their dependencies are only checked if so.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoFix: incorrect script name in python logging test
Antoine Busque [Tue, 4 Aug 2015 22:29:35 +0000 (18:29 -0400)] 
Fix: incorrect script name in python logging test

Signed-off-by: Antoine Busque <abusque@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoDocs: Document Agent reply codes
Jérémie Galarneau [Thu, 6 Aug 2015 19:05:07 +0000 (15:05 -0400)] 
Docs: Document Agent reply codes

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoDocs: Remove Java-specific comments from agent.h
Jérémie Galarneau [Thu, 6 Aug 2015 19:04:45 +0000 (15:04 -0400)] 
Docs: Remove Java-specific comments from agent.h

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoDocs: Grammar fix in agent header
Jérémie Galarneau [Thu, 6 Aug 2015 19:02:31 +0000 (15:02 -0400)] 
Docs: Grammar fix in agent header

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoReturn "Unknown" error instead of "Fatal" on unhandled agent replies
Jérémie Galarneau [Thu, 6 Aug 2015 19:01:50 +0000 (15:01 -0400)] 
Return "Unknown" error instead of "Fatal" on unhandled agent replies

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoLog agent reply in disable_event()
Jérémie Galarneau [Thu, 6 Aug 2015 19:01:12 +0000 (15:01 -0400)] 
Log agent reply in disable_event()

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoLog agent reply in enable_event()
Jérémie Galarneau [Thu, 6 Aug 2015 19:00:45 +0000 (15:00 -0400)] 
Log agent reply in enable_event()

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 years agoLog agent reply in list_events()
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>
9 years agoAdd agent reply code logging helpers
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>
9 years agoAdd a LOG() macro which handles dynamic severity levels
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>
9 years agoFix: Discard disable event command filter payload
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>
9 years agoFix: Use MSG_NOSIGNAL when calling sendmsg()
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>
9 years agoSend data pending status as part of payload instead of an invalid error
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>
9 years agoLog error code's value when sessiond replies to a client
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>
9 years agoTests: Java agent: update after Java agent refactoring
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>
9 years agoSet registration done Agent command version back to 0
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>
9 years agoFix: Don't send agent disable event command twice
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>
9 years agoTests: Python agent: update after Python agent refactoring
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>
9 years agoClean-up: Remove redundant variable initialization
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>
9 years agoFix: incorrect variable being checked in libc-wrapper test
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>
9 years agoRename Python agent event name to omit "user"
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>
9 years agoConsolidate agent event names regardless of user privilege
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>
9 years agoClean-up: Move agent_apps_ht_by_sock definition to main.c
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>
9 years agoFix: Initialize global agent_apps_ht_by_sock on session daemon launch
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>
9 years agoFix: set session should not set non-existent session
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>
9 years agoFix: pids should be numbers only
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>
9 years agoFix: Mishandled NULL short options in lttng-sessiond
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>
9 years agoUse popt "required_argument" and "no_argument" constants
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>
9 years agoFix: Mishandled NULL short options in utils_generate_optstring()
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>
9 years agoFix: only launch a new session daemon for the "create" command
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>
9 years agoFix 'daemon' typo in lttng-ctl-pc.in description
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>
9 years agoFix: clean-up agent app hash table from the main sessiond thread
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>
9 years agoFix: Remove undocumented session daemon short options
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>
9 years agoComment grammar correction
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>
9 years agoLog userspace application hash table allocation failure
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>
9 years agoFix: RCU read-side lock released too early in destroy_agent_app
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>
9 years agoFix: misleading logging statement in agent_find_event
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>
9 years agoFix: Unhandled domain option condition in list_agent_events
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>
9 years agoFix: Crash on lttng list -j/-l/-p when no events are present
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>
9 years agoClean-up: spelling fix in a comment
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>
9 years agoDocument relay_add_stream RCU locking
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>
9 years agoFix: Unbalanced rcu_read_unlock() on stream file creation failure
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>
9 years agoFix: Unbalanced rcu_read_unlock() on directory creation failure
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>
9 years agoFix: Document the locking assumptions of ctf_trace_find_by_path()
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>
9 years agoFix: Memory leak in relay_add_stream error path
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>
9 years agoUpdate master version to v2.8.0-pre
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>
9 years agoUpdate version to v2.7.0-rc1 v2.7.0-rc1
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>
9 years agoTests: lttng-ust-getcpu-override-test cache and error-check sysconf()
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>
9 years agoTests: lttng-ust-getcpu-override coding-style adjustments
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>
9 years agoAdd CPU_ID LTTng-UST context to enum lttng_ust_context_type
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>
9 years agoBump LTTNG_UST_ABI_MAJOR_VERSION to 6
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>
9 years agoTests: Ust getcpu override plugin
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>
9 years agoFix: Follow struct dirent allocation guidelines of READDIR(3)
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>
9 years agoUpdate comments regarding the power of 2 constraint on sub-buffer sizes
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>
9 years agoBuild: add Flex version check
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>
9 years agoBuild: add Bison version check
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>
9 years agoFix: handle sys_futex() FUTEX_WAIT interrupted by signal
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>
9 years agoFix: metadata push -EPIPE should be recoverable
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>
9 years agoFix: destroy session removes the default config file
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>
9 years agoBuild: bump autoconf version requirement to 2.64
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>
9 years agoFix: Memory leak in setup of relayd_path
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>
9 years agoFix: update liburcu URL
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>
9 years agoFix: test: use "$@" to pass and quote argument
Jonathan Rajotte [Sun, 26 Apr 2015 21:14:16 +0000 (17:14 -0400)] 
Fix: test: use "$@" 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>
9 years agoRefactor: test: wrapper for lttng_snapshot_del_output
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>
9 years agoRefactor: test: wrapper for lttng_snapshot_add_output
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>
9 years agoRefactor: test: wrapper for destroy_lttng_session
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>
9 years agoRefactor: test: wrapper for stop_lttng_tracing
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>
9 years agoRefactor: test: wrapper for start_lttng_tracing
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>
9 years agoRefactor: test: wrapper for enable_ust_lttng_event
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>
9 years agoRefactor: test: wrapper for enable_ust_lttng_channel
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>
9 years agoRefactor: test: wrapper for create_lttng_session
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>
9 years agoFix: Memory allocated by xmlNodeGetContent() must be freed by xmlFree()
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>
9 years agoSave/load: add support for shared memory path
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>
9 years agoFix: get_cmdline_by_pid path length assumes a max pid of 65535
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>
9 years agoClean-up: Remove ifdef-ed out lttng list options
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>
9 years agoTest: mi: test for greater or equal to a minimum of events on ust listing.
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>
9 years agoFix: update regression tests involving UST
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>
9 years agoClean-up: Remove ifdef-ed out function:entry feature
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>
9 years agoFix: Mark MI and Config string declarations as extern
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>
9 years agoClean-up append_list_to_probes()
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>
9 years agoFix: modprobe.c: fix tmp_list memory leak
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>
9 years agoFix: append_list_to_probes(): increment index
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>
9 years agoDocs: LTTNG(1) filtering is now supported by the kernel tracer
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>
9 years agoFix: live_test regression on large number of cpus
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>
9 years agoFix: set UST register timeout to -1 as test default
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>
9 years agoMan page: reference lttng-crash under --shm-path option
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>
9 years agoTests: Don't rely on implicit scalar expression dereference
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>
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