+2018-03-26 lttng-tools 2.9.8 (Purple Day)
+ * Fix: set errno with value from SO_ERROR on error.
+ * Fix: missing value handling for lttng_event_context_type
+ * Fix: Use SOL_SOCKET level for SO_KEEPALIVE on all platform
+ * Fix: error out on leftover arguments
+ * Fix: reply to version check even on protocol mismatch
+ * Fix: error handling on relay version check
+ * Document add-context limitation for started session
+ * Fix: add-context cannot be performed after a session has been started
+ * Fix: duplicated kernel consumer socket locking
+ * Fix: remove unused event types in MI XML schema
+ * Tests: cleanly exit from test apps on reception of SIGTERM
+ * Document consumer socket locking assumptions
+ * Fix: consumer socket lock not held during snapshot record
+ * Fix: set_relayd_for_snapshot does not acquire the consumer socket lock
+ * Document the locking assumptions of consumerd-relayd socket passing
+ * Assert that the consumer lock is held while sending FDs to consumerd
+ * Assert that the consumer socket lock is taken during communication
+ * Tests: refuse to run test suite if lttng processes are present
+ * Fix: metadata channel leak when using the snapshot tracing mode
+
+2018-02-05 lttng-tools 2.9.7
+ * Fix: do not flag consumer as disabled on relayd comm failure
+ * Fix: cleanup inactive FDs in the consumer polling thread
+ * man: document dead-peer detection for lttng-relayd
+ * lttng-relayd: use TCP keep-alive mechanism to detect dead-peer
+ * Fix: unknown consumer type considered a libc error
+ * Fix warning: src/bin/lttng/utils.c: cast incompatible pointer
+ * Fix: src/common/pipe.h: include <sys/types.h> for ssize_t and mode_t
+ * Fix: detect dlmopen() and disable corresponding tests if not available
+ * Fix: resolve full path of LTTNG_UST_CLOCK_PLUGIN
+ * lttng-enable-event(1): filtering: specify that `$ctx.cpu_id` is available
+ * Fix: Make version.h generation work with dash
+ * Fix: buffer overflow warning in python bindings
+ * Tests fix: BT2 does not output the metadata of a trace collection
+