ftrace: modulize the number of CPU buffers

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Currently ftrace allocates a trace buffer for every possible CPU.
Work is being done to change it to only online CPUs and add hooks
to hotplug CPUS.

This patch lays out the infrastructure for such a change.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Steven Rostedt 2008-05-12 21:21:00 +02:00 • committed by Thomas Gleixner

parent c6caeeb142

commit ab46428c69

1 changed files with 24 additions and 14 deletions

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38

kernel/trace/trace.c

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