tracing/sched: Add sched_pi_setprio tracepoint

[pandora-kernel.git] / include / trace / events / sched.h

diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 9208c92..f633478 100644 (file)
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -362,6 +362,35 @@ TRACE_EVENT(sched_stat_runtime,
                        (unsigned long long)__entry->vruntime)
 );
 
+/*
+ * Tracepoint for showing priority inheritance modifying a tasks
+ * priority.
+ */
+TRACE_EVENT(sched_pi_setprio,
+
+       TP_PROTO(struct task_struct *tsk, int newprio),
+
+       TP_ARGS(tsk, newprio),
+
+       TP_STRUCT__entry(
+               __array( char,  comm,   TASK_COMM_LEN   )
+               __field( pid_t, pid                     )
+               __field( int,   oldprio                 )
+               __field( int,   newprio                 )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+               __entry->pid            = tsk->pid;
+               __entry->oldprio        = tsk->prio;
+               __entry->newprio        = newprio;
+       ),
+
+       TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
+                       __entry->comm, __entry->pid,
+                       __entry->oldprio, __entry->newprio)
+);
+
 #endif /* _TRACE_SCHED_H */
 
 /* This part must be outside protection */