[lttng-dev] [RELEASE] LTTng-UST 2.7.5 (Linux user-space tracer) (EOL)
Mathieu Desnoyers
mathieu.desnoyers at efficios.com
Thu Dec 8 01:34:50 UTC 2016
LTTng-UST, the Linux Trace Toolkit Next Generation Userspace Tracer,
is a low-overhead application tracer. The library "liblttng-ust" enables
tracing of applications and libraries.
Now that the 2.9 release of lttng-ust is out, lttng-ust 2.7.5 marks the end
of life of the stable-2.7 lttng-ust release branch. This version only adds
bugfixes.
Project website: http://lttng.org
Documentation: http://lttng.org/docs
Download link: http://lttng.org/download
Changelog:
2016-12-07 (National Earmuff Day) lttng-ust 2.7.5
* Fix: loglevel and model_emf_uri build fix
* Fix: loglevel and model_emf_uri with g++ compiled probes
* Fix: Out of tree build of liblttng-ust-java
* Fix: perform statedump before replying to sessiond
* Fix: honor send timeout on unix socket connect
* Fix: perform TLS fixup in all UST entry points from each thread
* Fix: remove unlock in getcpu
* Fix: perf counters ABI rdpmc detection
* Fix: perf counter context deadlock
* Fix: many-events registration/unregistration speed
* Fix: pre-fault TLS in ust-malloc instrumentation
* Fix: reset vtid cache before releasing urcu locks
* Fix: cleanup local_apps.allowed flag on lib cleanup
* Fix: remove invalid free
* Fix: perf counters: sign-extend pmc register
* Fix: allow non-LGPL modules to use tracepoints
* Fix: strerror_r behavior is glibc specific
* Fix: don't generate 0-len array in tracepoint probes
* Fix: log4j example: set logger level to prevent unexpected level inheritance
* Fix: initialize RCU callbacks with mixed LGPL/non-LGPL objects
* Fix: incorrect structure layout with mixed LGPL/non-LGPL objects
* Fix: don't call __builtin_return_address(0) on 32-bit powerpc
* Fix: tracepoint header: declare tracepoint_dlopen_ptr
* Fix: update debug message about weak-hidden symbols
* Fix: tracepoint-rcu header: use tracepoint_dlopen_ptr
* Fix: work-around gcc optimisation oddness on 32-bit powerpc
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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