sched: clean up scheduler markers

These trace_mark() things look like someone puked all over the code,
lets hide the ugly bits.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 41 insertions, 0 deletions

diff --git a/kernel/sched_trace.h b/kernel/sched_trace.h
new file mode 100644
index 000000000000..29b48f34fd02
--- /dev/null
+++ b/kernel/sched_trace.h
@@ -0,0 +1,41 @@
+#include <linux/marker.h>
+
+static inline void trace_kernel_sched_wait(struct task_struct *p)
+{
+	trace_mark(kernel_sched_wait_task, "pid %d state %ld",
+			p->pid, p->state);
+}
+
+static inline
+void trace_kernel_sched_wakeup(struct rq *rq, struct task_struct *p)
+{
+	trace_mark(kernel_sched_wakeup,
+			"pid %d state %ld ## rq %p task %p rq->curr %p",
+			p->pid, p->state, rq, p, rq->curr);
+}
+
+static inline
+void trace_kernel_sched_wakeup_new(struct rq *rq, struct task_struct *p)
+{
+	trace_mark(kernel_sched_wakeup_new,
+			"pid %d state %ld ## rq %p task %p rq->curr %p",
+			p->pid, p->state, rq, p, rq->curr);
+}
+
+static inline void trace_kernel_sched_switch(struct rq *rq,
+		struct task_struct *prev, struct task_struct *next)
+{
+	trace_mark(kernel_sched_schedule,
+			"prev_pid %d next_pid %d prev_state %ld "
+			"## rq %p prev %p next %p",
+			prev->pid, next->pid, prev->state,
+			rq, prev, next);
+}
+
+static inline void
+trace_kernel_sched_migrate_task(struct task_struct *p, int src, int dst)
+{
+	trace_mark(kernel_sched_migrate_task,
+			"pid %d state %ld dest_cpu %d",
+			p->pid, p->state, dst);
+}