1 title: The <span class="reset-text-transform">LTTng</span> Documentation
4 title: What's new in LTTng 2.7?
9 title: What is tracing?
10 - id: lttng-alternatives
11 title: Alternatives to LTTng
12 - id: installing-lttng
13 title: Installing <span class="reset-text-transform">LTTng</span>
15 - id: desktop-distributions
16 title: Desktop distributions
21 - id: ubuntu-official-repositories
22 title: Official repositories
31 - id: enterprise-distributions
32 title: "Enterprise distributions (<abbr title=\"Red Hat Enterprise Linux\">RHEL</abbr>, <abbr title=\"SUSE Linux Enterprise Server\">SLES</abbr>)"
33 - id: building-from-source
34 title: Building from source
36 title: Getting started with <span class="reset-text-transform">LTTng</span>
38 - id: tracing-the-linux-kernel
39 title: Tracing the Linux kernel
40 - id: tracing-your-own-user-application
41 title: Tracing your own user application
42 - id: viewing-and-analyzing-your-traces
43 title: Viewing and analyzing your traces
44 - id: understanding-lttng
45 title: Understanding <span class="reset-text-transform">LTTng</span>
51 title: Tracing session
57 - id: channel-overwrite-mode-vs-discard-mode
58 title: Overwrite and discard event loss modes
59 - id: channel-subbuf-size-vs-subbuf-count
60 title: Sub-buffers count and size
61 - id: channel-switch-timer
63 - id: channel-buffering-schemes
64 title: Buffering schemes
70 - id: plumbing-overview
75 title: Consumer daemon
78 - id: liblttng-ctl-lttng
79 title: Control library and command line interface
81 title: User space tracing library
83 title: <span class="reset-text-transform">LTTng</span> kernel modules
85 title: Using <span class="reset-text-transform">LTTng</span>
93 - id: tracepoint-provider
94 title: Tracepoint provider
96 title: Using <code>lttng-gen-tp</code>
97 - id: defining-tracepoints
98 title: Defining tracepoints
99 - id: using-tracepoint-classes
100 title: Using tracepoint classes
101 - id: assigning-log-levels
102 title: Assigning log levels to tracepoints
103 - id: probing-the-application-source-code
104 title: Probing the application's source code
105 - id: building-tracepoint-providers-and-user-application
106 title: Building/linking tracepoint providers and the user application
109 title: Static linking
110 - id: dynamic-linking
111 title: Dynamic linking
112 - id: using-lttng-ust-with-daemons
113 title: Using <span class="reset-text-transform">LTTng</span>-UST with daemons
114 - id: lttng-ust-pkg-config
115 title: <span class="reset-text-transform">pkg-config</span>
117 title: Using <code>tracef()</code>
119 title: Using <code>tracelog()</code>
120 - id: lttng-ust-environment-variables-compiler-flags
121 title: <span class="reset-text-transform">LTTng</span>-UST environment variables and special compilation flags
122 - id: cxx-application
123 title: C++ application
124 - id: prebuilt-ust-helpers
125 title: Prebuilt user space tracing helpers
127 - id: liblttng‑ust‑libc‑pthread-wrapper
128 title: C standard library and POSIX threads tracing
129 - id: liblttng‑ust‑cyg‑profile
130 title: Function tracing
131 - id: liblttng‑ust‑dl
132 title: Dynamic linker tracing
133 - id: java-application
134 title: Java application
137 title: <code>java.util.logging</code>
139 title: Apache log4j 1.2
140 - id: python-application
141 title: Python application
142 - id: instrumenting-linux-kernel
145 - id: instrumenting-linux-kernel-itself
146 title: Instrumenting the Linux kernel for <span class="reset-text-transform">LTTng</span>
148 - id: mainline-trace-event
149 title: Defining/using tracepoints with mainline <code>TRACE_EVENT()</code> infrastructure
150 - id: lttng-adaptation-layer
151 title: Adding the <span class="reset-text-transform">LTTng</span> adaptation layer
152 - id: instrumenting-linux-kernel-tracing
154 - id: instrumenting-out-of-tree-linux-kernel
155 title: Instrumenting an out-of-tree Linux kernel module for <span class="reset-text-transform">LTTng</span>
156 - id: proc-lttng-logger-abi
157 title: <span class="reset-text-transform">LTTng</span> logger ABI
158 - id: advanced-instrumenting-techniques
159 title: Advanced techniques
161 - id: instrumenting-32-bit-app-on-64-bit-system
162 title: Instrumenting a 32-bit application on a 64-bit system
164 - id: building-32-bit-userspace-rcu
165 title: Building 32-bit Userspace RCU
166 - id: building-32-bit-lttng-ust
167 title: Building 32-bit <span class="reset-text-transform">LTTng</span>-UST
168 - id: building-32-bit-lttng-tools
169 title: Building 32-bit <span class="reset-text-transform">LTTng</span>-tools
170 - id: building-64-bit-lttng-tools
171 title: Building 64-bit <span class="reset-text-transform">LTTng</span>-tools
172 - id: building-instrumented-32-bit-c-application
173 title: Building an instrumented 32-bit C application
174 - id: running-32-bit-and-64-bit-c-applications
175 title: Running 32-bit and 64-bit versions of an instrumented C application
176 - id: controlling-tracing
177 title: Controlling tracing
179 - id: creating-destroying-tracing-sessions
180 title: Creating and destroying tracing sessions
181 - id: enabling-disabling-events
182 title: Enabling and disabling events
183 - id: basic-tracing-session-control
184 title: Basic tracing session control
185 - id: enabling-disabling-channels
186 title: Enabling and disabling channels
188 - id: fine-tuning-channels
189 title: Fine-tuning channels
191 title: Adding some context to channels
193 title: Tracking process IDs
194 - id: saving-loading-tracing-session
195 title: Saving and loading tracing session configurations
196 - id: sending-trace-data-over-the-network
197 title: Sending trace data over the network
199 title: Viewing events as they arrive
200 - id: taking-a-snapshot
201 title: Taking a snapshot
203 title: Machine interface
204 - id: persistent-memory-file-systems
205 title: Recording trace data on persistent memory file systems
209 - id: online-lttng-manpages
210 title: Online <span class="reset-text-transform">LTTng</span> man pages
212 title: <span class="reset-text-transform">LTTng</span>-UST
215 title: <span class="reset-text-transform">LTTng</span>-UST library (<code>liblttng‑ust</code>)
217 - id: liblttng-ust-tp-fields
218 title: Tracepoint fields macros (for <code>TP_FIELDS()</code>)
219 - id: liblttng-ust-tracepoint-loglevel
220 title: Tracepoint log levels (for <code>TRACEPOINT_LOGLEVEL()</code>)
221 - id: lttng-modules-ref
222 title: <span class="reset-text-transform">LTTng</span>-modules
224 - id: lttng-modules-tp-struct-entry
225 title: Tracepoint fields macros (for <code>TP_STRUCT__entry()</code>)
226 - id: lttng-modules-tp-fast-assign
227 title: Tracepoint assignment macros (for <code>TP_fast_assign()</code>)