[lttng-dev] [PATCH lttng-tools 0/4] Allow discard buffers in snapshot sessions

[Mathieu Desnoyers]

This patchset allows users to override the channel mode
(discard/overwrite) for snapshot sessions for both lttng-ust and lttng
kernel tracing. Previously, snapshot sessions were enforcing overwrite
buffer types.

Thanks,

Mathieu

Mathieu Desnoyers (4):
  Fix: validate number of subbuffers after tweaking properties
  Allow channel mode override in snapshot sessions
  tests: test kernel snapshot with discard buffers
  tests: test ust snapshot with discard buffers

 include/lttng/channel.h                      |   2 +-
 src/bin/lttng-sessiond/channel.c             |  55 +++++++++-
 src/bin/lttng-sessiond/cmd.c                 |  10 --
 src/bin/lttng/commands/create.c              |   2 +-
 src/common/defaults.h                        |   2 +-
 tests/regression/tools/snapshots/test_kernel |  94 ++++++++++++++++-
 tests/regression/tools/snapshots/ust_test    | 150 ++++++++++++++++++++++++++-
 tests/utils/utils.sh                         |  30 ++++++
 8 files changed, 321 insertions(+), 24 deletions(-)

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2.1.4