diff options
Diffstat (limited to 'freebsd/sys/sys/sdt.h')
| -rw-r--r-- | freebsd/sys/sys/sdt.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/freebsd/sys/sys/sdt.h b/freebsd/sys/sys/sdt.h index c680ea85..424a0e3a 100644 --- a/freebsd/sys/sys/sdt.h +++ b/freebsd/sys/sys/sdt.h @@ -1,4 +1,6 @@ /*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * * Copyright 2006-2008 John Birrell <jb@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without @@ -80,13 +82,14 @@ #include <sys/cdefs.h> #include <sys/linker_set.h> +extern volatile bool sdt_probes_enabled; + #ifndef KDTRACE_HOOKS #define SDT_PROVIDER_DEFINE(prov) #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) @@ -161,14 +164,13 @@ SET_DECLARE(sdt_argtypes_set, struct sdt_argtype); #define SDT_PROBE_DECLARE(prov, mod, func, name) \ extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] -#define SDT_PROBE_ENABLED(prov, mod, func, name) \ - __predict_false((sdt_##prov##_##mod##_##func##_##name->id)) - #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \ - if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \ + if (__predict_false(sdt_probes_enabled)) { \ + if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \ (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \ (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \ (uintptr_t) arg3, (uintptr_t) arg4); \ + } \ } while (0) #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \ |