pages with the `--help` option or with the `lttng help` command.
Note that without `man`, you cannot get offline help with
LTTng-tools commands, not even their usage.
+ - **libpfm >= 4.0**: needed to run the perf regression test suite.
+ - Debian/Ubuntu package: `libpfm4-dev`
LTTng-tools supports both the [LTTng Linux Kernel tracer](https://lttng.org)
and [LTTng user space tracer](https://lttng.org) released as part of the same