From e777c0a41dd4df68f6e2a248240d97a849d05cf9 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 29 Mar 2013 22:32:13 -0400 Subject: [PATCH] Update README Signed-off-by: Mathieu Desnoyers --- README | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/README b/README index 1bcd5b2d..b7d8b9f8 100644 --- 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 2.0 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. * Kernel config options required -- 2.34.1