ftrace: Add 'function-fork' trace option

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The function-fork option is same as event-fork that it tracks task
fork/exit and set the pid filter properly.  This can be useful if user
wants to trace selected tasks including their children only.

Link: http://lkml.kernel.org/r/20170417024430.21194-3-namhyung@kernel.org

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Namhyung Kim 2017-04-17 11:44:28 +09:00 • committed by Steven Rostedt (VMware)

parent b980b117c9

commit 1e10486ffe

3 changed files with 46 additions and 2 deletions

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37

kernel/trace/ftrace.c

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5

kernel/trace/trace.c

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6

kernel/trace/trace.h

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