svn commit: r313453 - head/sys/sys

[Mateusz Guzik]

Author: mjg
Date: Wed Feb  8 19:25:58 2017
New Revision: 313453
URL: https://svnweb.freebsd.org/changeset/base/313453

Log:
  Implement LOCKSTAT_OOL_PROFILE_ENABLED
  
  For use in uninlined locking primitives to decide whether lockstat
  or profiling needs to be taken care of.

Modified:
  head/sys/sys/lockstat.h
  head/sys/sys/sdt.h

Modified: head/sys/sys/lockstat.h
==============================================================================
--- head/sys/sys/lockstat.h	Wed Feb  8 18:33:00 2017	(r313452)
+++ head/sys/sys/lockstat.h	Wed Feb  8 19:25:58 2017	(r313453)
@@ -107,10 +107,6 @@ extern int lockstat_enabled;
 	LOCKSTAT_RECORD1(probe, lp, a);					\
 } while (0)
 
-#ifndef LOCK_PROFILING
-#define	LOCKSTAT_PROFILE_ENABLED(probe)	SDT_PROBE_ENABLED(lockstat, , , probe)
-#endif
-
 struct lock_object;
 uint64_t lockstat_nsecs(struct lock_object *);
 
@@ -134,10 +130,16 @@ uint64_t lockstat_nsecs(struct lock_obje
 #define	LOCKSTAT_PROFILE_RELEASE_RWLOCK(probe, lp, a)  			\
 	LOCKSTAT_PROFILE_RELEASE_LOCK(probe, lp)
 
+#endif /* !KDTRACE_HOOKS */
+
 #ifndef LOCK_PROFILING
-#define	LOCKSTAT_PROFILE_ENABLED(probe)	0
+#define	LOCKSTAT_PROFILE_ENABLED(probe)					\
+	SDT_PROBE_ENABLED(lockstat, , , probe)
+#define	LOCKSTAT_OOL_PROFILE_ENABLED(probe)				\
+	SDT_PROBE_ENABLED(lockstat, , , probe)
+#else
+#define	LOCKSTAT_OOL_PROFILE_ENABLED(probe)	1
 #endif
 
-#endif /* !KDTRACE_HOOKS */
 #endif /* _KERNEL */
 #endif /* _SYS_LOCKSTAT_H */

Modified: head/sys/sys/sdt.h
==============================================================================
--- head/sys/sys/sdt.h	Wed Feb  8 18:33:00 2017	(r313452)
+++ head/sys/sys/sdt.h	Wed Feb  8 19:25:58 2017	(r313453)
@@ -86,6 +86,7 @@
 #define SDT_PROVIDER_DECLARE(prov)
 #define SDT_PROBE_DEFINE(prov, mod, func, name)
 #define SDT_PROBE_DECLARE(prov, mod, func, name)
+#define SDT_PROBE_ENABLED(prov, mod, func, name)	0
 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype)