Fix: add UST context in the same order the user enabled them

This is to avoid having different field order in different traces for
the same contexts enabled in the same order by the user.

Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: check UST float field mantissa length

Fixes #473

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: snapshot should fail if no successful snapshot is taken

Fixes #606, #608

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: remove calibrate syscall option from code

Fixes #586

Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: typo in configure.ac for version check

Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: add missing short filter option in help

Fixes #587

Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: improve error message when UST support is disabled

Fixes #583

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fix: snapshot record error handling

Fixes #617

Signed-off-by: David Goulet <dgoulet@efficios.com>
Use parse_size_suffix in snapshot

Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Reorder functions _lttng_cmd_* functions in bash completion

Simply reorder them alphabetically to be consistent.

Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Add --list-commands option to the snapshot command

It lists snapshot sub-commands. This involves moving list_commands
to utils so that commands can use it.

Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Update bash completion

- Refactor options completion to remove a little bit of code
  duplication.
- Add subcommand completion for the snapshot command. It is not perfect,
  but it's a start.
- Add some comments to functions here and there.

Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Use consumer fd reference in consumer socket obj

This is done so we don't copy the fd value of the consumer thus having a
central control. This is part of a set of patches that makes the session
daemon stop sending command to an invalid consumer (dead, closed).

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Use single callsite for send/recv ops. for consumer in sessiond

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Lock consumer data before fd check during destroy

Also, a consumer state error is added just before update UST
applications on registration.

Fixes #595

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Rename consumer socket fd to fd_ptr

By renaming this value, first the name as a better semantic and second
we are able to find every callsite that uses this variable thus making
sure we don't forget any assert or check made on it.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Improve comments after review

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: support VPATH build for tests

Fixes #613

Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: don't report error if UST app dies

An application dying unexpectedly is a normal behavior so the execution
must continue and not report an error when sending commands onto the
dying application.

Signed-off-by: David Goulet <dgoulet@efficios.com>
Get the maximum TCP timeout in sessiond

This actually just open some /proc files when calling
lttcomm_init_inet() and computes the maximum value a TCP timeout for
every possible operations (send/recv/connect).

This is the first patch to fix the health check issue of having a
smaller delta than the TCP maximum possible timeout.

Signed-off-by: David Goulet <dgoulet@efficios.com>