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* Documentation: tracing: Add per-group/all events enablement desciptionMasami Hiramatsu2021-06-101-0/+6
| | | | | | | | | | Add ftrace.event.<GROUP>.enable and ftrace.event.enable bootconfig description in the boot-time tracing document. Link: https://lkml.kernel.org/r/162264438901.302580.10697703336929432947.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
* Documentation: tracing: Add the startup timing of boot-time tracingMasami Hiramatsu2020-09-221-0/+14
| | | | | | | | | | | Add the note about when to start the boot-time tracing. This will be needed for the people who wants to trace earlier boot sequence. Link: https://lkml.kernel.org/r/159974156678.478751.10215894815285734481.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
* Documentation: tracing: boot: Add an example of tracing function-callsMasami Hiramatsu2020-09-221-0/+20
| | | | | | | | | Add an example of tracing function calls on a specific function. Link: https://lkml.kernel.org/r/159972816669.428528.12390560334549382316.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
* Documentation: tracing: Add tracing_on option to boot-time tracerMasami Hiramatsu2020-09-221-0/+4
| | | | | | | | | Add tracing_on option description to the boot-time tracer. Link: https://lkml.kernel.org/r/159978523520.485820.9250337223076929279.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
* Documentation: tracing: Fix typos in boot-time tracing documentationMasami Hiramatsu2020-01-221-9/+9
| | | | | | | | | | | Fix typos in boottime-trace.rst according to Randy's suggestions. Link: http://lkml.kernel.org/r/157949060335.25888.13153184562531693684.stgit@devnote2 Suggested-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
* Documentation: tracing: Add boot-time tracing documentMasami Hiramatsu2020-01-131-0/+184
Add a documentation about boot-time tracing options in boot config. Link: http://lkml.kernel.org/r/157867246028.17873.8047384554383977870.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>