Author: avg
Date: Thu Mar 23 08:08:34 2017
New Revision: 315838
URL: https://svnweb.freebsd.org/changeset/base/315838

Log:
  MFC r315075: trace thread running state when a thread is run for the first 
time

Modified:
  stable/11/sys/kern/sched_4bsd.c
  stable/11/sys/kern/sched_ule.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/kern/sched_4bsd.c
==============================================================================
--- stable/11/sys/kern/sched_4bsd.c     Thu Mar 23 08:02:29 2017        
(r315837)
+++ stable/11/sys/kern/sched_4bsd.c     Thu Mar 23 08:08:34 2017        
(r315838)
@@ -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: stable/11/sys/kern/sched_ule.c
==============================================================================
--- stable/11/sys/kern/sched_ule.c      Thu Mar 23 08:02:29 2017        
(r315837)
+++ stable/11/sys/kern/sched_ule.c      Thu Mar 23 08:08:34 2017        
(r315838)
@@ -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);
 }
 
 /*
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