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Author SHA1 Message Date
Masami Hiramatsu 5597895392 Documentation: tracing: Add histogram syntax to boot-time tracing 
Add the documentation about histogram syntax in boot-time tracing.
This will allow user to write the histogram setting in a structured
parameters.

Link: https://lkml.kernel.org/r/162856127129.203126.15551542847575916525.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2021-08-16 11:37:21 -04:00
Masami Hiramatsu ee0a07017a Documentation: tracing: Add per-group/all events enablement desciption 
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>
 2021-06-10 11:16:21 -04:00
Masami Hiramatsu fd264ce96c Documentation: tracing: Add the startup timing of boot-time tracing 
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>
 2020-09-21 21:06:04 -04:00
Masami Hiramatsu 19c311ae7c Documentation: tracing: boot: Add an example of tracing function-calls 
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>
 2020-09-21 21:06:03 -04:00
Masami Hiramatsu c51ba51798 Documentation: tracing: Add tracing_on option to boot-time tracer 
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>
 2020-09-21 21:06:03 -04:00
Masami Hiramatsu b8381ce7aa Documentation: tracing: Fix typos in boot-time tracing documentation 
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>
 2020-01-21 18:25:16 -05:00
Masami Hiramatsu 4778194794 Documentation: tracing: Add boot-time tracing document 
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>
 2020-01-13 13:19:42 -05:00