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1 | .. SPDX-License-Identifier: CC-BY-2.0-UK | ||
2 | |||
3 | ************************************************************* | ||
4 | Overall Architecture of the Linux Tracing and Profiling Tools | ||
5 | ************************************************************* | ||
6 | |||
7 | Architecture of the Tracing and Profiling Tools | ||
8 | =============================================== | ||
9 | |||
10 | It may seem surprising to see a section covering an 'overall | ||
11 | architecture' for what seems to be a random collection of tracing tools | ||
12 | that together make up the Linux tracing and profiling space. The fact | ||
13 | is, however, that in recent years this seemingly disparate set of tools | ||
14 | has started to converge on a 'core' set of underlying mechanisms: | ||
15 | |||
16 | - static tracepoints | ||
17 | - dynamic tracepoints | ||
18 | |||
19 | - kprobes | ||
20 | - uprobes | ||
21 | |||
22 | - the perf_events subsystem | ||
23 | - debugfs | ||
24 | |||
25 | .. admonition:: Tying it Together | ||
26 | |||
27 | Rather than enumerating here how each tool makes use of these common | ||
28 | mechanisms, textboxes like this will make note of the specific usages | ||
29 | in each tool as they come up in the course of the text. | ||