Fix: initialize var_data to NULL

[lttng-tools.git] / README.md

diff --git a/README.md b/README.md
index fab4f0865190239a9a0b2308de8a7e5eba8b4163..92df20daf48c94d410c56ebda8580cd1cbb26052 100644 (file)
--- a/README.md
+++ b/README.md
@@ -23,12 +23,10 @@ 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.
     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`
     by Mathieu Desnoyers and Paul E. McKenney.
   - **`libpopt` >= 1.13**:  command line arguments parsing library.
     - Debian/Ubuntu package: `libpopt-dev`

-  - **`libuuid`**: universally unique ID library
-    - Debian/Ubuntu package: `uuid-dev`

   - **`libxml2` >= 2.7.6**:  XML document parsing library. Needed for
     tracing session configuration saving/loading and machine interface
     output support.
   - **`libxml2` >= 2.7.6**:  XML document parsing library. Needed for
     tracing session configuration saving/loading and machine interface
     output support.


@@ -57,6 +55,8 @@ 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.
     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
 
 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 +78,7 @@ 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
 
   - **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**
   - **[GNU Libtool](http://www.gnu.org/software/autoconf/) >= 2.2**
   - **Flex >= 2.5.35**
   - **Bison >= 2.4**