X-Git-Url: https://git.lttng.org/?p=ust.git;a=blobdiff_plain;f=README;h=032fd946d7db213fb6af5da03eddead85476eec2;hp=b29ca013772cd5ab2bfab6fef5c2c1983cc855fc;hb=a4c5d022e0ffb2a26be6ac925bedfd9e903ea8f3;hpb=6f86ffe9af2b30a6741fef34acc23ac458b3144f diff --git a/README b/README index b29ca01..032fd94 100644 --- a/README +++ b/README @@ -1,46 +1,91 @@ -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.dorsal.polymtl.ca (project: ust) + * Git: git://git.dorsal.polymtl.ca/git/ust.git -Installation instruction: -- Download, compile and install liburcu and libkcompat. -- In this package's tree, run ./configure. -- Run make. -- Run make install. -- Run ldconfig. -- See the manual in the doc/ directory for usage instructions. -Package contents: +PREREQUISITES: -- libust - The actual userspace tracing library that must be linked to the - instrumented programs. + - liburcu + Userspace RCU library, by Mathieu Desnoyers and Paul E. McKenney -- ustctl - A program to control the tracing of userspace applications. It can list - markers, start the tracing, stop the tracing, enable/disable markers, etc. + -> This release was tested with liburcu v0.4.3 -- ustd - The daemon that collects trace data and writes it to the disk. + * 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 -- Documentation -- hello - An example application that uses the userspace tracer. +INSTALLATION INSTRUCTIONS: -- libmallocwrap - An example library that can be LD_PRELOAD'ed to instrument calls to malloc() - in any program without need to recompile it. + - 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. -- 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 0.12.30. + + +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. + + - ustd + 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. + + - libustcmd + A library to control tracing in other processes. Used by ustctl. + + - libustcomm + A static library shared between libust, ustd and libustcmd, that provides + functions that allow these components to communicate together. + + - snprintf + An asynchronous signal-safe version of snprintf. + + - java + A simple library that uses JNI to allow tracing in java programs.