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authorJason Baron <jbaron@redhat.com>2009-02-11 13:57:25 -0500
committerSteven Rostedt <srostedt@redhat.com>2009-02-13 09:06:18 -0500
commitb5f9fd0f8a05c9bafb91a9a85b9110938d8e585b (patch)
tree14e84d393f5dd1235fc6e256564d80e965daf3a7 /arch/x86/kernel/process.c
parent45141d4667d208421ca787a3301542b6a5e0b112 (diff)
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.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 026819ffcb0..e0d0fd7ab51 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;