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Implement LOCKSTAT_OOL_PROFILE_ENABLED

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For use in uninlined locking primitives to decide whether lockstat
or profiling needs to be taken care of.
This commit is contained in:
Mateusz Guzik 2017-02-08 19:25:58 +00:00
parent 6db947347c
commit 3b6f6c2760
2 changed files with 9 additions and 6 deletions
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14
sys/sys/lockstat.h
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@ -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_object *);
#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 */

1
sys/sys/sdt.h
View File

@ -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)