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Diffstat (limited to 'tools/tracing/rtla/README.txt')
| -rw-r--r-- | tools/tracing/rtla/README.txt | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/tools/tracing/rtla/README.txt b/tools/tracing/rtla/README.txt index 6c88446f7e74..43e98311d10f 100644 --- a/tools/tracing/rtla/README.txt +++ b/tools/tracing/rtla/README.txt @@ -1,19 +1,24 @@ RTLA: Real-Time Linux Analysis tools -The rtla is a meta-tool that includes a set of commands that -aims to analyze the real-time properties of Linux. But, instead of -testing Linux as a black box, rtla leverages kernel tracing -capabilities to provide precise information about the properties -and root causes of unexpected results. +The rtla meta-tool includes a set of commands that aims to analyze +the real-time properties of Linux. Instead of testing Linux as a black box, +rtla leverages kernel tracing capabilities to provide precise information +about the properties and root causes of unexpected results. Installing RTLA -RTLA depends on some libraries and tools. More precisely, it depends on the -following libraries: +RTLA depends on the following libraries and tools: - libtracefs - libtraceevent - - procps + - libcpupower (optional, for --deepest-idle-state) + +For BPF sample collection support, the following extra dependencies are +required: + + - libbpf 1.0.0 or later + - bpftool with skeleton support + - clang with BPF CO-RE support It also depends on python3-docutils to compile man pages. @@ -29,6 +34,9 @@ For development, we suggest the following steps for compiling rtla: $ make $ sudo make install $ cd .. + $ cd $libcpupower_src + $ make + $ sudo make install $ cd $rtla_src $ make $ sudo make install |