X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=README.md;h=6dbf19f7f12f5b19813614d9c4c216a6c0c422c3;hp=22de252c1da06aba46c121b06324fec6cba82dd6;hb=2daf65025e0fe5c15179dc4bfb26f875e3d31a26;hpb=46863ff0e1e355a569ad865007ee9c764ac8ab74

diff --git a/README.md b/README.md
index 22de252c1..6dbf19f7f 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ components:
     that, the kernel version may probably be older, but we can't provide
     any guarantee. Please let us know if you are able to go lower
     without any problems.
-  - **[`liburcu`](http://www.liburcu.org/) >= 0.8.0**: userspace RCU library,
+  - **[`liburcu`](http://www.liburcu.org/) >= 0.9.0**: userspace RCU library,
     by Mathieu Desnoyers and Paul E. McKenney.
   - **`libpopt` >= 1.13**:  command line arguments parsing library.
     - Debian/Ubuntu package: `libpopt-dev`
@@ -57,6 +57,8 @@ The following items are _optional_ dependencies:
     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