X-Git-Url: http://git.lttng.org/?p=ust.git;a=blobdiff_plain;f=README;h=8776ce4577c83e9c0f72b6dbbe98eb6a940451c9;hp=71ad996f3cc9d0112f13c81a23858fc4fc662410;hb=HEAD;hpb=6514bc5d714ea85654b6d28de19a6405918f1af8 diff --git a/README b/README index 71ad996..8776ce4 100644 --- a/README +++ b/README @@ -1,45 +1,103 @@ -LTTNG USERSPACE TRACER +LTTNG USERSPACE TRACER (UST) +---------------------------- -NOTE: This library has not been released yet because altough it is licenced as -LGPL, it can only be used as gpl because it depends on GPL files. It will be -released as soon as these issues are resolved. +UST web site and manual: http://lttng.org/ust -Dependencies: +Updated versions of this package may be found at: -- liburcu - Userspace RCU library, by Mathieu Desnoyers and Paul E. McKenney - http://ltt.polymtl.ca/cgi-bin/gitweb.cgi?p=userspace-rcu.git;a=summary + * Website: http://lttng.org/ust + * Releases: http://lttng.org/files/ust/releases + * GitWeb: http://git.lttng.org (project: ust) + * Git: git://git.lttng.org/ust.git -- libkcompat - Linux kernel userspace compatibility library. - http://git.dorsal.polymtl.ca -Installation instruction: +PREREQUISITES: -- Download, compile and install liburcu and libkcompat. -- In this package's tree, run ./configure, specifying the location of - liburcu and libkcompat with the --with-urcu and --with-kcompat options. -- Run make. -- See the manual in the doc/ directory for usage instructions. + - liburcu + Userspace RCU library, by Mathieu Desnoyers and Paul E. McKenney -Package contents: + -> This release depends on liburcu v0.6.6 -- libust - The actual userspace tracing library that must be linked to the - instrumented programs. + * Debian/Ubuntu package: liburcu-dev + * Website: http://lttng.org/urcu + * Releases: http://lttng.org/files/urcu + * GitWeb: http://lttng.org/cgi-bin/gitweb.cgi?p=userspace-rcu.git;a=summary + * Git: git://lttng.org/userspace-rcu.git -- ust - A program to control the tracing of userspace applications. It can list - markers, start the tracing, stop the tracing, enable/disable markers, etc. -- ustd - The daemon that collects trace data and writes it to the disk. +INSTALLATION INSTRUCTIONS: -- Documentation + - Download, compile and install liburcu. + - In this package's tree, run ./configure. + - Run make. + - Run make install. + - Run ldconfig. + - See the manual for usage instructions. -- hello - An example application that uses the userspace tracer. + If compiling from the git repository, run ./bootstrap before running + the configure script, to generate it. -- libmallocwrap - An example library that can be LD_PRELOAD'ed to instrument calls to malloc() - in any program without need to recompile it. + +TRACE VIEWER: + + LTTV is used for viewing UST traces. LTTV may be obtained at + http://lttng.org in the Downloads section. + + This release has been tested with LTTV 0.12.32. + + +CONTACT: + + Maintainer: Mathieu Desnoyers + Mailing list: ltt-dev@lists.casi.polymtl.ca + + +PACKAGE CONTENTS: + + This package contains the following elements. + + - libust + The actual userspace tracing library that must be linked to the + instrumented programs. + + - ustctl + A program to control the tracing of userspace applications. It can list + markers, start the tracing, stop the tracing, enable/disable markers, etc. + + - include + The public header files that will be installed on the system. + + - ust-consumerd + The daemon that collects trace data and writes it to the disk. + + - doc + The documentation. + + - tests + Various test programs + + - libustinstr-malloc + An example library that can be LD_PRELOAD'ed to instrument calls to malloc() + in any program without need to recompile it. + + - libustfork + A library that is LD_PRELOAD'ed, and that hijacks calls to several system + calls in order to trace across these calls. It _has_ to be LD_PRELOAD'ed + in order to hijack calls. In contrast, libust may be linked at build time. + + - libustctl + A library to control tracing in other processes. Used by ustctl. + + - libustcomm + A static library shared between libust, ust-consumerd and libustctl, that + provides functions that allow these components to communicate together. + + - libustconsumer + A library to create ust consumers by registering callbacks, used by + ust-consumerd. + + - snprintf + An asynchronous signal-safe version of snprintf. + + - java + A simple library that uses JNI to allow tracing in java programs.