X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=LTTngManual.html;h=09236d5feeff67139fa01f68302dffd3bf87dc57;hb=74d01ac4e18bf161186245a8c7651abeabc69816;hp=09b6c3f3d2d208a832b9756f196c5519a6123707;hpb=5b8a3ef26161f0218077d785c05209609e05516c;p=lttv.git
diff --git a/LTTngManual.html b/LTTngManual.html
index 09b6c3f3..09236d5f 100644
--- a/LTTngManual.html
+++ b/LTTngManual.html
@@ -8,7 +8,7 @@
Linux Trace Toolkit Next Generation Manual
Author : Mathieu Desnoyers, September 2005
-Last update : January 21st, 2009
+Last update : January 30, 2010
(originally known as the LTTng QUICKSTART guide)
Table of Contents
@@ -79,7 +79,7 @@ Linux Trace Toolkit Viewer.
To see the list of compatibilities between LTTng, ltt-control, LTTV, please
refer to :
LTTng+LTTV versions compatibility
+href="http://lttng.org/cgi-bin/gitweb.cgi?p=lttv.git;a=blob_plain;f=doc/developer/lttng-lttv-compatibility.html;hb=HEAD">LTTng+LTTV versions compatibility
The ongoing work had the Linux Kernel Markers integrated in the mainline Linux
kernel since Linux 2.6.24 and the Tracepoints since 2.6.28. In its current
@@ -98,6 +98,9 @@ which are derived work from the Linux kernel.
LTTV is available under the Gnu GPLv2. The low-level LTTV trace reading library
is released under Gnu LGPLv2.1.
+The Eclipse LTTng trace analysis tool is released under the EPL and uses the
+LTTV trace reading library (LGPLv2.1).
+
The UST (Userspace Tracing) and the Userspace RCU libraries are released under
the LGPLv2.1 license, which allows linking with non-GPL (BSD, proprietary...)
applications. The associated headers are released under MIT-style/BSD-style
@@ -171,7 +174,7 @@ gtk 2.4 or better development libraries
(Fedora : gtk2, gtk2-devel)
note : For Fedora users : this might require at least core 3 from Fedora,
or you might have to compile your own GTK2 library.
-glib 2.4 or better development libraries
+glib 2.16 or better development libraries
(Debian : libglib2.0-0, libglib2.0-dev)
(Fedora : glib2, glib2-devel)
libpopt development libraries
@@ -191,8 +194,7 @@ libc6 development librairies
See the list of compatibilities between LTTng, ltt-control and LTTV at :
LTTng+LTTV
-versions compatibility.
+href="http://lttng.org/cgi-bin/gitweb.cgi?p=lttv.git;a=blob_plain;f=doc/developer/lttng-lttv-compatibility.html;hb=HEAD">LTTng+LTTV versions compatibility.
@@ -229,7 +231,7 @@ mv linux-2.6.X linux-2.6.X-lttng-0.x.xx
su -
cd /usr/src/linux-2.6.X-lttng-0.x.xx
make menuconfig (or make xconfig or make config)
- Select the < Help > button if you are not familiar with kernel
+ Select the < Help > button if you are not familiar with kernel
configuration.
Items preceded by [*] means they has to be built into the kernel.
Items preceded by [M] means they has to be built as modules.
@@ -240,21 +242,21 @@ make menuconfig (or make xconfig or make config)
[*] Activate markers
[*] Activate userspace markers ABI (experimental, optional)
[*] Immediate value optimization (optional)
- [*] Linux Trace Toolkit Next Generation (LTTng) --->
- or <*> Compile lttng tracing probes
- or <*> Linux Trace Toolkit High-speed Lockless Data Relay
- or <*> Linux Trace Toolkit Lock-Protected Data Relay
- or <*> Linux Trace Toolkit Serializer
- or <*> Linux Trace Toolkit Marker Control
- or <*> Linux Trace Toolkit Tracer
+ [*] Linux Trace Toolkit Next Generation (LTTng) --->
+ <M> or <*> Compile lttng tracing probes
+ <M> or <*> Linux Trace Toolkit High-speed Lockless Data Relay
+ <M> or <*> Linux Trace Toolkit Lock-Protected Data Relay
+ <M> or <*> Linux Trace Toolkit Serializer
+ <M> or <*> Linux Trace Toolkit Marker Control
+ <M> or <*> Linux Trace Toolkit Tracer
[*] Align Linux Trace Toolkit Traces
- or <*> Support logging events from userspace
+ <M> or <*> Support logging events from userspace
[*] Support trace extraction from crash dump
- or <*> Linux Trace Toolkit Trace Controller
- or <*> Linux Trace Toolkit State Dump
- Select
- Select
- Select
+ <M> or <*> Linux Trace Toolkit Trace Controller
+ <M> or <*> Linux Trace Toolkit State Dump
+ Select <Exit>
+ Select <Exit>
+ Select <Yes>
make
make modules_install
(if necessary, create a initrd with mkinitrd or your preferate alternative)
@@ -321,6 +323,7 @@ modprobe jbd2-trace
modprobe ext4-trace
modprobe syscall-trace
modprobe trap-trace
+modprobe block-trace
#if locking tracing is wanted, uncomment the following
#modprobe lockdep-trace
@@ -382,12 +385,12 @@ ldconfig
Make sure you selected the kernel menuconfig option :
- or <*> Support logging events from userspace
+ <M> or <*> Support logging events from userspace
And that the ltt-userspace-event kernel module is loaded if selected as a
module.
Simple userspace tracing is available through
-echo "some text to record" > /mnt/debugfs/ltt/write_event
+echo "some text to record" > /mnt/debugfs/ltt/write_event
It will appear in the trace under event :
channel : userspace
@@ -548,10 +551,8 @@ See markers-userspace-0.5.tar.bz2 or more recent.
-Note that a new design document for a 3rd generation of tracepoint/marker-based
-userspace tracing is available at LTTng User-space Tracing
-Design. This new infrastructure is not yet implemented.
+Note that tracepoint/marker-based userspace tracing is available at LTTng User-space Tracer (UST).
The easy quick-and-dirty way to perform userspace tracing is currently to write