linux-kernel - [RELEASE] LTTng-UST 2.13.9 (Linux user-space tracer)

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Message-ID: <e30fec58-25c0-4de7-8d03-23c1f6a903a1@efficios.com>
Date: Mon, 14 Apr 2025 16:51:40 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: lttng-dev@...ts.lttng.org, diamon-discuss@...ts.linuxfoundation.org,
 linux-trace-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RELEASE] LTTng-UST 2.13.9 (Linux user-space tracer)

Hi,

This is a release announcement of LTTng-UST 2.13.9.

Noteworthy in this bug fix release:

* Use UATOMIC_HAS_ATOMIC_{BYTE,SHORT} to fix build against
   liburcu 0.15.2.

* Add a close_range declaration in the liblttng-ust-fd.so wrapper.

And other minor fixes, see the detailed change log below.

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.

* Detailed change log:

2025-04-14 (National Gardening Day) lttng-ust 2.13.9
         * Fix: Use UATOMIC_HAS_ATOMIC_{BYTE,SHORT} for counter atomics
         * Fix: lttng-ust-tp regex warnings
         * lttng-ust-java: Load lttng-ust-context-jni before other JNI libraries
         * doc/examples: set minimal CMake version to 3.5.0
         * Fix: Update `get_mempolicy` check to handle `EPERM`
         * Fix: Correct `numa_available` return code checks
         * Fix: test_benchmark: do not match "CPU(s) scaling MHz:"
         * Tests: Fix abi conflict test when building with clang
         * Fix: Build examples when rpath is stripped from in-build-tree libs
         * ust-fd: Add close_range declaration
         * docs: Correct GitHub URLs in lttng-ust.3
         * fix: handle EINTR correctly in get_cpu_mask_from_sysfs

Project website: https://lttng.org
Documentation: https://lttng.org/docs
Download link: https://lttng.org/download



-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com