X-Git-Url: http://git.lttng.org/?p=ust.git;a=blobdiff_plain;f=README;h=8776ce4577c83e9c0f72b6dbbe98eb6a940451c9;hp=306ef58afb9dfe84ba898c4f0a07f94f2d2ba4f0;hb=HEAD;hpb=8624c5493f7a6a9dd7bc4d32eb2731a16b78d6e5 diff --git a/README b/README index 306ef58..8776ce4 100644 --- a/README +++ b/README @@ -1,44 +1,103 @@ -LTTNG USERSPACE TRACER +LTTNG USERSPACE TRACER (UST) +---------------------------- -Dependencies: +UST web site and manual: http://lttng.org/ust -- 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 +Updated versions of this package may be found at: -- libkcompat - Linux kernel userspace compatibility library. - http://git.dorsal.polymtl.ca + * 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 -Installation instruction: -- Download, compile and install liburcu and libkcompat. -- In this package's tree, run ./configure. -- Run make. -- See the manual in the doc/ directory for usage instructions. +PREREQUISITES: -Package contents: + - liburcu + Userspace RCU library, by Mathieu Desnoyers and Paul E. McKenney -- libust - The actual userspace tracing library that must be linked to the - instrumented programs. + -> This release depends on liburcu v0.6.6 -- ustctl - A program to control the tracing of userspace applications. It can list - markers, start the tracing, stop the tracing, enable/disable markers, etc. + * 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 -- ustd - The daemon that collects trace data and writes it to the disk. -- Documentation +INSTALLATION INSTRUCTIONS: -- hello - An example application that uses the userspace tracer. + - 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. -- libmallocwrap - An example library that can be LD_PRELOAD'ed to instrument calls to malloc() - in any program without need to recompile it. + If compiling from the git repository, run ./bootstrap before running + the configure script, to generate it. -- libinterfork - A library that is LD_PRELOAD'ed, and that hijacks calls to several system - calls in order to trace across these calls. + +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.