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| author | Jason Baron | 2009-02-11 19:57:25 +0100 |
|---|---|---|
| committer | Steven Rostedt | 2009-02-13 15:06:18 +0100 |
| commit | b5f9fd0f8a05c9bafb91a9a85b9110938d8e585b (patch) | |
| tree | 14e84d393f5dd1235fc6e256564d80e965daf3a7 /arch/x86/kernel/process.c | |
| parent | ring-buffer: rename label out_unlock to out_reset (diff) | |
| download | kernel-qcow2-linux-b5f9fd0f8a05c9bafb91a9a85b9110938d8e585b.tar.gz kernel-qcow2-linux-b5f9fd0f8a05c9bafb91a9a85b9110938d8e585b.tar.xz kernel-qcow2-linux-b5f9fd0f8a05c9bafb91a9a85b9110938d8e585b.zip | |
tracing: convert c/p state power tracer to use tracepoints
Convert the c/p state "power" tracer to use tracepoints. Avoids a
function call when the tracer is disabled.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 026819ffcb0c..e0d0fd7ab514 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -19,6 +19,9 @@ EXPORT_SYMBOL(idle_nomwait); struct kmem_cache *task_xstate_cachep; +DEFINE_TRACE(power_start); +DEFINE_TRACE(power_end); + int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { *dst = *src; |