Author: mjg
Date: Thu Mar 16 07:20:32 2017
New Revision: 315389
URL: https://svnweb.freebsd.org/changeset/base/315389
Log:
MFC r313453:
Implement LOCKSTAT_OOL_PROFILE_ENABLED
For use in uninlined locking primitives to decide whether lockstat
or profiling needs to be taken care of.
Modified:
stable/11/sys/sys/lockstat.h
stable/11/sys/sys/sdt.h
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/sys/lockstat.h
==============================================================================
--- stable/11/sys/sys/lockstat.h Thu Mar 16 07:11:35 2017
(r315388)
+++ stable/11/sys/sys/lockstat.h Thu Mar 16 07:20:32 2017
(r315389)
@@ -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: stable/11/sys/sys/sdt.h
==============================================================================
--- stable/11/sys/sys/sdt.h Thu Mar 16 07:11:35 2017 (r315388)
+++ stable/11/sys/sys/sdt.h Thu Mar 16 07:20:32 2017 (r315389)
@@ -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)
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