tracing: Split tracing initialization into two for early initialization

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Create an early_trace_init() function that will initialize the buffers and
allow for ealier use of trace_printk(). This will also allow for future work
to have function tracing start earlier at boot up.

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

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Steven Rostedt (VMware) 2017-03-03 13:37:33 -05:00

parent 97da3854c5

commit e725c731e3

3 changed files with 11 additions and 2 deletions

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2

include/linux/ftrace.h

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5

init/main.c

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6

kernel/trace/trace.c

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