Add streaming howto
[lttng-tools.git] / README
1 LTTng Trace Control
2 ----------------
3
4 Please visit http://lttng.org for more information.
5
6 Latest development can be found at:
7
8 * Gitweb : http://git.lttng.org/lttng-tools.git/
9 * Git : git://git.lttng.org/lttng-tools.git
10
11 REQUIREMENTS:
12
13 - Linux kernel >= 2.6.27
14 pipe2(), epoll_create1() and SOCK_CLOEXEC are needed to run the session
15 daemon. There were introduce in the Linux 2.6.27
16
17 - liburcu
18 Userspace RCU library, by Mathieu Desnoyers and Paul E. McKenney
19
20 -> Tested with liburcu >= v0.6.6
21
22 * Debian/Ubuntu package: liburcu-dev
23 * Git : git://git.lttng.org/userspace-rcu.git
24 * Website: http://lttng.org/urcu
25
26 - libpopt >= 1.13
27 Library for parsing command line parameters
28
29 * Debian/Ubuntu package: libpopt-dev
30
31 - For kernel tracing: modprobe
32
33 For developers using the git tree:
34
35 This source tree is based on the autotools suite from GNU to simplify
36 portability. Here are some things you should have on your system in order to
37 compile the git repository tree :
38
39 - GNU autotools (automake >=1.10, autoconf >=2.50, autoheader >=2.50)
40 (make sure your system wide "automake" points to a recent version!)
41 - GNU Libtool >=2.2
42 (for more information, go to http://www.gnu.org/software/autoconf/)
43 - GNU Gold >= 2.22
44 (Before this version we hit a known bug documented at:
45 http://sourceware.org/bugzilla/show_bug.cgi?id=11317)
46 - flex >= 2.5.35
47 - bison >= 2.4
48
49 If you get the tree from the repository, you will need to use the "bootstrap"
50 script in the root of the tree. It calls all the GNU tools needed to prepare the
51 tree configuration.
52
53 INSTALLATION INSTRUCTIONS:
54
55 - Download, compile and install the prerequisites.
56 Then:
57 $ ./configure
58 $ make
59 $ sudo make install
60 $ sudo ldconfig
61
62 If compiling from the git repository, run ./bootstrap before running
63 the configure script, to generate it.
64
65 USAGE:
66
67 Please see doc/quickstart.txt to help you start tracing. You can also use the
68 -h/--help command on 'lttng' and all other commands offered in this tool (Ex:
69 lttng enable-event -h).
70
71 A network streaming HOWTO can be found in doc/streaming-howto.txt which quickly
72 helps you understand how to stream a LTTng 2.0 trace.
73
74 PACKAGE CONTENTS:
75
76 This package contains the following elements:
77
78 - liblttngctl
79 The LTTng tracing control library.
80
81 - libsessiond-comm (internal)
82 The lttng-sessiond communication library. In order to talk with
83 lttng-sessiond, this library must be used.
84
85 - libkernel-ctl (internal)
86 Kernel tracer control and ioctl definitions.
87
88 - libconsumer (internal)
89 Library for Kernel and (optionally) UST trace consumer.
90
91 - libkernel-consumer (internal)
92 Library for Kernel consumer control
93
94 - libust-consumer (internal)
95 Library for UST consumer control
96
97 - libhashtable (internal)
98 Library wrapper over URCU hashtables.
99
100 - lttng-relayd
101 The relay daemon used for network streaming
102
103 - lttng-consumerd
104 The consumer daemon which uses libconsumer.
105
106 - lttng-sessiond
107 The LTTng session daemon binary.
108
109 - lttng
110 The LTTng tracer command line control tool.
111
112 - include (lttng.h --> installed in $(includedir)/lttng/lttng.h)
113 The liblttngctl API header file.
114
115 - tests
116 Various test programs.
117
118 - doc
119 Various documentations and quickstart guide.
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