svn commit: r315075 - head/sys/kern

[Andriy Gapon]

Author: avg
Date: Sat Mar 11 15:57:36 2017
New Revision: 315075
URL: https://svnweb.freebsd.org/changeset/base/315075

Log:
  trace thread running state when a thread is run for the first time
  
  This applies to both KTR_SCHED and DTrace sched:::on-cpu tracing.
  
  MFC after:	10 days

Modified:
  head/sys/kern/sched_4bsd.c
  head/sys/kern/sched_ule.c

Modified: head/sys/kern/sched_4bsd.c
==============================================================================
--- head/sys/kern/sched_4bsd.c	Sat Mar 11 15:47:27 2017	(r315074)
+++ head/sys/kern/sched_4bsd.c	Sat Mar 11 15:57:36 2017	(r315075)
@@ -1666,6 +1666,10 @@ sched_fork_exit(struct thread *td)
 	lock_profile_obtain_lock_success(&sched_lock.lock_object,
 	    0, 0, __FILE__, __LINE__);
 	THREAD_LOCK_ASSERT(td, MA_OWNED | MA_NOTRECURSED);
+
+	KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "running",
+	    "prio:%d", td->td_priority);
+	SDT_PROBE0(sched, , , on__cpu);
 }
 
 char *

Modified: head/sys/kern/sched_ule.c
==============================================================================
--- head/sys/kern/sched_ule.c	Sat Mar 11 15:47:27 2017	(r315074)
+++ head/sys/kern/sched_ule.c	Sat Mar 11 15:57:36 2017	(r315075)
@@ -2756,6 +2756,10 @@ sched_fork_exit(struct thread *td)
 	TDQ_LOCK_ASSERT(tdq, MA_OWNED | MA_NOTRECURSED);
 	lock_profile_obtain_lock_success(
 	    &TDQ_LOCKPTR(tdq)->lock_object, 0, 0, __FILE__, __LINE__);
+
+	KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "running",
+	    "prio:%d", td->td_priority);
+	SDT_PROBE0(sched, , , on__cpu);
 }
 
 /*