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The new dynamic user space tracing feature in LTTng
https://lttng.org/blog/2019/10/15/new-dynamic-user-space-tracing-in-lttng/
Using LTTng For Function Tracing in Userspace - GitHub Pages
http://wengsht.github.io/2014/03/18/Using+LTTng+For+Function+Tracing+in+Userspace.html
It’s easy to know how the trace work by reading demo.c, you don’t have to deep into the source tree… Function Tracer Using LTTng Lttng-ust-cyg is a lttng function tracer base on -finstrument-functions in gcc or clang .
[ltt-dev] LTT User-Space Tracing with FR integration
https://lttng-dev.lttng.narkive.com/kyOOlI0d/ltt-dev-ltt-user-space-tracing-with-fr-integration
I want UST (LTT User-Space Tracing) with Flight Recorder integration. What will be the major steps involved here to complete the UST with FR support ? Hi Srikanth, One would need to modify ustd to take command line arguments to do a one-shot collection of the buffers of a process on demand. The overwrite
[ltt-dev] LTTng userspace tracing
https://lttng-dev.lttng.narkive.com/sSLFkXBw/ltt-dev-lttng-userspace-tracing
distributing the userspace tracing library under a license too restrictive for their use. Second answer : the markers-userspace directory content has been re-used in the implementation I think, but has been repackaged. I am putting Pierre-Marc in CC, who did the userspace tracing port of LTTng. Thanks for the interest you show :) Mathieu
How to Use LTTng | Timesys LinuxLink
https://linuxlink.timesys.com/docs/wiki/engineering/HOWTO_Use_LTT
LTTng, the Linux Trace Toolkit Next Generation (LTTng), is a highly efficient full system tracing solution. It is composed of several components to allow tracing of the kernel, of userspace, trace viewing and analysis, and trace streaming. LTTng provides an integrated interface for both kernel and user-space tracing.
LTTng: an open source tracing framework for Linux
LTTng is designed from the ground up to provide low overhead tracing on production systems. Easy to deploy. LTTng is available for all majors desktop, server and embedded Linux distributions. The easiest way to try LTTng is to follow the quickstart guide: GET STARTED. The LTTng Project. MAIN NAVIGATION ...
LTTng Userspace Tracing, vDSO [LWN.net]
https://lwn.net/Articles/266422/
User-space Tracing with UST
https://events.static.linuxfound.org/slides/2011/lfcs/lfcs2011_tracing_goulet.pdf
8 Userspace Tracing with UST 1. Current UST Features Trace Clock CLOCK_TRACE (13 Jan 2011) LTTng kernel 0.240 or higher UST 0.11 or higher Timestamp synchronized (kernel and userspace) Common time reference for simultaneous viewing Only for x86 and x86_64 Very easy to do for other arch. ...
The Linux Trace Toolkit | Linux Journal
https://www.linuxjournal.com/article/3829
The Linux Trace Toolkit (LTT) addresses these issues and provides users with a unique view of the system's behavior with minimal performance overhead (< 2.5%). LTT's Architecture. In order to be extendable and accomplish its task without hindering system performance, LTT is designed to be as modular as possible. In fact, it would be wrong to ...
LTTng-UST vs SystemTap userspace tracing benchmarks
https://sourceware.org/ml/systemtap/2011-q1/msg00244.html
LTTng-UST vs SystemTap userspace tracing benchmarks. From: Julien Desfossez <julien dot desfossez at polymtl dot ca>; To: ltt-dev at lists dot casi dot polymtl dot ca, systemtap at sources dot redhat dot com; Cc: Mathieu Desnoyers <mathieu dot desnoyers at efficios dot com>, dominique dot toupin at ericsson dot com; Date: Tue, 15 Feb 2011 10:53:08 -0500 ...
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