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| 1 | <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" | ||
| 2 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" | ||
| 3 | [<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] > | ||
| 4 | <!--SPDX-License-Identifier: CC-BY-2.0-UK--> | ||
| 5 | |||
| 6 | <chapter id='profile-manual-arch'> | ||
| 7 | |||
| 8 | <title>Overall Architecture of the Linux Tracing and Profiling Tools</title> | ||
| 9 | |||
| 10 | <section id='architecture-of-the-tracing-and-profiling-tools'> | ||
| 11 | <title>Architecture of the Tracing and Profiling Tools</title> | ||
| 12 | |||
| 13 | <para> | ||
| 14 | It may seem surprising to see a section covering an 'overall architecture' | ||
| 15 | for what seems to be a random collection of tracing tools that together | ||
| 16 | make up the Linux tracing and profiling space. | ||
| 17 | The fact is, however, that in recent years this seemingly disparate | ||
| 18 | set of tools has started to converge on a 'core' set of underlying | ||
| 19 | mechanisms: | ||
| 20 | </para> | ||
| 21 | |||
| 22 | <para> | ||
| 23 | <itemizedlist> | ||
| 24 | <listitem>static tracepoints</listitem> | ||
| 25 | <listitem>dynamic tracepoints | ||
| 26 | <itemizedlist> | ||
| 27 | <listitem>kprobes</listitem> | ||
| 28 | <listitem>uprobes</listitem> | ||
| 29 | </itemizedlist> | ||
| 30 | </listitem> | ||
| 31 | <listitem>the perf_events subsystem</listitem> | ||
| 32 | <listitem>debugfs</listitem> | ||
| 33 | </itemizedlist> | ||
| 34 | </para> | ||
| 35 | |||
| 36 | <informalexample> | ||
| 37 | <emphasis>Tying it Together:</emphasis> Rather than enumerating here how each tool makes use of | ||
| 38 | these common mechanisms, textboxes like this will make note of the | ||
| 39 | specific usages in each tool as they come up in the course | ||
| 40 | of the text. | ||
| 41 | </informalexample> | ||
| 42 | </section> | ||
| 43 | </chapter> | ||
| 44 | <!-- | ||
| 45 | vim: expandtab tw=80 ts=4 | ||
| 46 | --> | ||