Version 2.2.4

[lttng-modules.git] / README

diff --git a/README b/README
index 1bcd5b2d69bd9109bdb38236063470294b3f3d7d..8c5dd46435ba396fb7fdc50fe6e25f67c963b075 100644 (file)
--- a/README
+++ b/README
@@ -1,9 +1,9 @@
-LTTng 2.0 modules
+LTTng 2.x modules
 
 Mathieu Desnoyers
-April 6, 2012
+March 29, 2013
 
-LTTng 2.0 kernel modules build against a vanilla or distribution kernel, without
+LTTng 2.x kernel modules build against a vanilla or distribution kernel, without
 need for additional patches. Other features:
 
 - Produces CTF (Common Trace Format) natively,
@@ -38,16 +38,17 @@ http://lttng.org/lttng2.0
 
 So far, it has been tested on vanilla Linux kernels 2.6.38, 2.6.39, 3.0,
 3.1, 3.2, 3.3 (on x86 32/64-bit, and powerpc 32-bit at the moment, build
-tested on ARM). Kernels 2.6.32 to 2.6.34 need up to 3 patches applied
-(refer to linux-patches within the lttng-modules tree). It should work
-fine with newer kernels and other architectures, but expect build issues
-with kernels older than 2.6.36.  The clock source currently used is the
-standard gettimeofday (slower, less scalable and less precise than the
-LTTng 0.x clocks).  Support for LTTng 0.x clocks will be added back soon
-into LTTng 2.0.  Please note that lttng-modules 2.0 can build on a Linux
-kernel patched with the LTTng 0.x patchset, but the lttng-modules 2.0
-replace the lttng-modules 0.x, so both tracers cannot be installed at
-the same time for a given kernel version.
+tested on ARM), 3.4, 3.5, 3.8, 3.9-rc on x86 64-bit. Kernels 2.6.32 to
+2.6.34 need up to 3 patches applied (refer to linux-patches within the
+lttng-modules tree). It should work fine with newer kernels and other
+architectures, but expect build issues with kernels older than 2.6.36.
+The clock source currently used is the standard gettimeofday (slower,
+less scalable and less precise than the LTTng 0.x clocks).  Support for
+LTTng 0.x clocks will be added back soon into LTTng 2.0.  Please note
+that lttng-modules 2.x can build on a Linux kernel patched with the
+LTTng 0.x patchset, but the lttng-modules 2.x replace the lttng-modules
+0.x, so both tracers cannot be installed at the same time for a given
+kernel version.
 
 
 * Kernel config options required
@@ -58,7 +59,7 @@ CONFIG_KALLSYMS: required
   * See wrapper/ files. This is necessary until the few required missing
     symbols are exported to GPL modules from mainline.
 CONFIG_HIGH_RES_TIMERS: required
-  * Needed for LTTng 2.0 clock source.
+  * Needed for LTTng 2.x clock source.
 CONFIG_TRACEPOINTS: required
     kernel tracepoint instrumentation
     * Enabled as side-effect of any of the perf/ftrace/blktrace