LTTng is an open source tracing framework for Linux. It can be used to trace the kernel as well as user space applications.

• Website: LTTng
• Documentation: LTTng Documentation
• GitHub: lttng

Several analysis scripts are available for automatically extracting various useful information from LTTng kernel traces via the command line. There are scripts for displaying scheduling latency statistics, the frequency distribution of interrupt handler durations, top I/O usage, etc.

• GitHub: lttng/lttng-analyses