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(parent: 1d4db00) | patch
ftrace: change buffers to producer consumer
authorSteven Rostedt <srostedt@redhat.com>
Mon, 12 May 2008 19:20:45 +0000 (21:20 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 23 May 2008 18:41:35 +0000 (20:41 +0200)
commit93a588f459da134be6ab17c4104e28441beb0d22
tree30eb991743d7ce5698f070204d666eca98519213tree | snapshot (tar.gz zip)
parent1d4db00a5e30c7b8f8dc2a1b19e886fd942be143commit | diff
ftrace: change buffers to producer consumer

This patch changes the way the CPU trace buffers are handled.
Instead of always starting from the trace page head, the logic
is changed to a producer consumer logic. This allows for the
buffers to be drained while they are alive.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/trace/trace.c diff | blob | blame | history
kernel/trace/trace.h diff | blob | blame | history