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-rw-r--r--tools/tracing/rtla/README.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/tracing/rtla/README.txt b/tools/tracing/rtla/README.txt
index 4af3fd40f171..43e98311d10f 100644
--- a/tools/tracing/rtla/README.txt
+++ b/tools/tracing/rtla/README.txt
@@ -11,6 +11,14 @@ RTLA depends on the following libraries and tools:
- libtracefs
- libtraceevent
+ - 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.
@@ -26,6 +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