Fix: typo 'retrive' -> 'retrieve'

[lttng-tools.git] / README.md

diff --git a/README.md b/README.md
index 45a83f88e86c5cc0d5ea51246a3c6b7722501c4b..6dbf19f7f12f5b19813614d9c4c216a6c0c422c3 100644 (file)
--- 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`
@@ -52,11 +52,13 @@ The following items are _optional_ dependencies:
     - Debian/Ubuntu packages: `swig2.0` and `python3-dev`
   - **modprobe**: needed for automatic LTTng kernel modules loading
     (kernel tracing).
-  - **bash**: needed for running `make check`.
+  - **bash**: needed to run `make check`.
   - **man** (manual pager): needed to view LTTng-tools commands' man
     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
@@ -78,7 +80,7 @@ order to compile the Git repository tree:
 
   - **GNU Autotools** (**Automake >= 1.10**, **Autoconf >= 2.64**,
     **Autoheader >= 2.50**; make sure your system-wide `automake` points
-    to a recent version!)
+    to a recent version)
   - **[GNU Libtool](http://www.gnu.org/software/autoconf/) >= 2.2**
   - **Flex >= 2.5.35**
   - **Bison >= 2.4**