X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=README;h=a68e8707183a3e8a0456c0ac7499d262b84137e8;hb=a09dac63957396890b1085cac0fee92ecc5db87a;hp=1b86fb2030ef77ddcd81005b17724913b64efedb;hpb=55ad629d916dc8a9e0e8859bd469815dc9ec6ceb;p=ust.git diff --git a/README b/README index 1b86fb2..a68e870 100644 --- a/README +++ b/README @@ -1,45 +1,84 @@ -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 + * Releases: http://lttng.org/files/ust/releases + * GitWeb: http://git.dorsal.polymtl.ca (project: ust) + * Git: git://git.dorsal.polymtl.ca/git/ust.git -- libkcompat - Linux kernel userspace compatibility library. - http://git.dorsal.polymtl.ca -Installation instruction: -- 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. +PREREQUISITES: -Package contents: + - liburcu -- libust - The actual userspace tracing library that must be linked to the - instrumented programs. + Userspace RCU library, by Mathieu Desnoyers and Paul E. McKenney + * Releases: http://lttng.org/files/ust/releases + * GitWeb: http://lttng.org/cgi-bin/gitweb.cgi?p=userspace-rcu.git;a=summary + * Git: git://lttng.org/userspace-rcu.git -- 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 v0.4.1 -- ustd - The daemon that collects trace data and writes it to the disk. -- Documentation + - libkcompat -- hello - An example application that uses the userspace tracer. + Linux kernel userspace compatibility library. + (Provides userspace ports of some kernel APIs.) + * Releases: http://lttng.org/files/ust/releases + * GitWeb: http://git.dorsal.polymtl.ca (project: libkcompat) + * Git: git://git.dorsal.polymtl.ca/git/libkcompat.git -- libmallocwrap - An example library that can be LD_PRELOAD'ed to instrument calls to malloc() - in any program without need to recompile it. + -> This release was tested with libkcompat v0.1 + + + +INSTALLATION INSTRUCTIONS: + + - Download, compile and install liburcu and libkcompat. + - In this package's tree, run ./configure. + - Run make. + - Run make install. + - Run ldconfig. + - See the manual for usage instructions. + + + +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. + + - ustd + The daemon that collects trace data and writes it to the disk. + + - doc + The documentation. + + - hello + An example application that uses the userspace tracer. + + - libmallocwrap + An example library that can be LD_PRELOAD'ed to instrument calls to malloc() + in any program without need to recompile it. + + - libinterfork + A library that is LD_PRELOAD'ed, and that hijacks calls to several system + calls in order to trace across these calls.