lttng.org
Viewers — LTTng
http://www.lttng.org/viewers
Project provides trace read and write libraries, as well as a trace converter. Plugins can be created for any trace format to allow its conversion to/from another trace format. The main format expected to be converted to/from is the Common Trace Format. CTF) The default input format of the. Command is CTF, and its default output format is a human-readable text log. Babeltrace ships with Python 3 bindings. Which makes it easy to write custom analysis for LTTng (CTF) traces. Is licensed under CC BY 4.0.
lttng.org
Community — LTTng
http://www.lttng.org/community
Where's the LTTng community? Where is the LTTng community? For help and developer discussions, see the LTTng mailing list. You can send mails to the list without being registered, but non-member posts are moderated. We're available on IRC, on the OFTC network. Irc:/ irc.oftc.net/lttng. Ask your LTTng-related question on Stack Overflow by tagging it with. You can report bugs regarding any LTTng component by creating a new issue in the project's bug tracker. Follow us on Twitter: @lttng project. You can al...
lttng.org
Publications — LTTng
http://www.lttng.org/publications
Linux tracing with LTTng - The love of development without printf(). Bridging the Gap Between Hardware and Software Tracing. Embedded Linux Conference Europe 2013. LTTng: Cloud Monitoring and Distribution Bug Reporting with Live Streaming and Snapshots. Efficient and Large-scale Infrastructure Monitoring with Tracing. Hands-on Tutorial on Scalability with Userspace RCU. LTTng as a new monitoring tool. LTTng-UST: Efficient System-Wide User-Space Tracing. Linux Foundation Collaboration Summit 2013. Tracing...
lttng.org
Features — LTTng
http://www.lttng.org/features
Is an open source tracing. LTTng allows to understand the interactions between multiple components of a given system, i.e.:. Using either already available or user-defined instrumentation points. Any other user space application using the LTTng logger. Tracing all those components with LTTng will produce a unified log of events. Providing great insight into the system's behavior. Here's a simplified example of a system trace:. SELECT * FROM users WHERE. LTTng offers a new approach to gain insight. With d...
lttng.org
Blog — LTTng
http://www.lttng.org/blog
Tracing Java applications using the LTTng-UST Java agent. On 25 July 2016. In this blog post, I will demonstrate how to generate LTTng traces from the Trace Compass. Viewer using the LTTng-UST Java agent integration. This should effectively explain:. How to obtain LTTng traces from any Java application instrumented with. How to trace the Trace Compass application. This is basically an update of. Tutorial: Tracing Java Logging Frameworks. READ MORE →. Announcing barectf 2.1. On 22 March 2016. The testing ...
lttng.org
Finding the Root Cause of a Web Request Latency — LTTng
https://lttng.org/blog/2015/02/04/web-request-latency-root-cause
8592; Back to LTTng's blog. Finding the Root Cause of a Web Request Latency. On 04 February 2015. When trying to solve complex performance issues, a kernel trace can be the last resort: capture everything and try to understand what is going on. With LTTng, that would go like that:. Lttng create lttng enable-event -k -a lttng start .wait for the problem to appear. lttng stop lttng destroy. This post is a first in a serie to present the LTTng analyses scripts. The output here shows that one request took mu...
