libpthread-330.250.2.tar.gz

[apple/libpthread.git] / kern / kern_trace.h

diff --git a/kern/kern_trace.h b/kern/kern_trace.h
index 57ebb4c98b46446eeab5ab0b9d8c6e2dc4f42329..2e59edc5a818acab9444f362aeee3449f35018a1 100644 (file)
--- a/kern/kern_trace.h
+++ b/kern/kern_trace.h
@@ -33,10 +33,15 @@
  * /usr/share/misc/pthread.codes during build.
  */
 
+// userspace trace points force slow-paths, so must be compiled in
+#define ENABLE_USERSPACE_TRACE 0
+
 // pthread tracing subclasses
 # define _TRACE_SUB_DEFAULT 0
 # define _TRACE_SUB_WORKQUEUE 1
-# define _TRACE_SUB_MUTEX 2
+// WQ_TRACE_REQUESTS_SUBCLASS is 2, in xnu
+# define _TRACE_SUB_MUTEX 3
+# define _TRACE_SUB_CONDVAR 4
 
 #ifndef _PTHREAD_BUILDING_CODES_
 
@@ -59,21 +64,30 @@ VM_UNSLIDE(void* ptr)
     return (void*)unslid_ptr;
 }
 
-# define PTHREAD_TRACE(x,a,b,c,d,e) \
-       { if (pthread_debug_tracing) { KERNEL_DEBUG_CONSTANT(x, a, b, c, d, e); } }
+# define PTHREAD_TRACE(x,a,b,c,d) \
+       { if (pthread_debug_tracing) { KERNEL_DEBUG_CONSTANT(TRACE_##x, a, b, c, d, 0); } }
 
-# define PTHREAD_TRACE_WQ(x,a,b,c,d,e) \
-       { if (pthread_debug_tracing) { KERNEL_DEBUG_CONSTANT(x, VM_UNSLIDE(a), b, c, d, e); } }
+# define PTHREAD_TRACE_WQ(x,a,b,c,d) \
+       { if (pthread_debug_tracing) { KERNEL_DEBUG_CONSTANT(TRACE_##x, VM_UNSLIDE(a), b, c, d, 0); } }
 
 # define PTHREAD_TRACE_WQ_REQ(x,a,b,c,d,e) \
-       { if (pthread_debug_tracing) { KERNEL_DEBUG_CONSTANT(x, VM_UNSLIDE(a), VM_UNSLIDE(b), c, d, e); } }
+       { if (pthread_debug_tracing) { KERNEL_DEBUG_CONSTANT(TRACE_##x, VM_UNSLIDE(a), VM_UNSLIDE(b), c, d, e); } }
 
-#endif
+#else // KERNEL
+
+#if ENABLE_USERSPACE_TRACE
+# include <sys/kdebug.h>
+# define PTHREAD_TRACE(x, a, b, c, d) kdebug_trace(TRACE_##x, a, b, c, d)
+#else // ENABLE_USERSPACE_TRACE
+# define PTHREAD_TRACE(x, a, b, c, d) do { } while(0)
+#endif // ENABLE_USERSPACE_TRACE
+
+#endif // KERNEL
 
 # define TRACE_CODE(name, subclass, code) \
        static const int TRACE_##name = KDBG_CODE(DBG_PTHREAD, subclass, code)
 
-#else
+#else // _PTHREAD_BUILDING_CODES_
 /* When not included as a header, this file is pre-processed into perl source to generate
  * the pthread.codes file during build.
  */
@@ -82,7 +96,7 @@ VM_UNSLIDE(void* ptr)
 
 # define TRACE_CODE(name, subclass, code) \
        printf("0x%x\t%s\n", ((DBG_PTHREAD << 24) | ((subclass & 0xff) << 16) | ((code & 0x3fff) << 2)), STR(name))
-#endif
+#endif // _PTHREAD_BUILDING_CODES_
 
 /* These defines translate into TRACE_<name> when used in source code, and are
  * pre-processed out to a codes file by the build system.
@@ -124,5 +138,27 @@ TRACE_CODE(psynch_mutex_ulock, _TRACE_SUB_MUTEX, 0x0);
 TRACE_CODE(psynch_mutex_utrylock_failed, _TRACE_SUB_MUTEX, 0x1);
 TRACE_CODE(psynch_mutex_uunlock, _TRACE_SUB_MUTEX, 0x2);
 TRACE_CODE(psynch_ksyn_incorrect_owner, _TRACE_SUB_MUTEX, 0x3);
+TRACE_CODE(psynch_mutex_lock_updatebits, _TRACE_SUB_MUTEX, 0x4);
+TRACE_CODE(psynch_mutex_unlock_updatebits, _TRACE_SUB_MUTEX, 0x5);
+TRACE_CODE(psynch_mutex_clearprepost, _TRACE_SUB_MUTEX, 0x6);
+TRACE_CODE(psynch_mutex_kwqallocate, _TRACE_SUB_MUTEX, 0x7);
+TRACE_CODE(psynch_mutex_kwqdeallocate, _TRACE_SUB_MUTEX, 0x8);
+TRACE_CODE(psynch_mutex_kwqprepost, _TRACE_SUB_MUTEX, 0x9);
+TRACE_CODE(psynch_mutex_markprepost, _TRACE_SUB_MUTEX, 0x10);
+TRACE_CODE(psynch_mutex_kwqcollision, _TRACE_SUB_MUTEX, 0x11);
+TRACE_CODE(psynch_ffmutex_lock_updatebits, _TRACE_SUB_MUTEX, 0x12);
+TRACE_CODE(psynch_ffmutex_unlock_updatebits, _TRACE_SUB_MUTEX, 0x13);
+TRACE_CODE(psynch_ffmutex_wake, _TRACE_SUB_MUTEX, 0x14);
+TRACE_CODE(psynch_mutex_kwqsignal, _TRACE_SUB_MUTEX, 0x15);
+TRACE_CODE(psynch_ffmutex_wait, _TRACE_SUB_MUTEX, 0x16);
+TRACE_CODE(psynch_mutex_kwqwait, _TRACE_SUB_MUTEX, 0x17);
+
+TRACE_CODE(psynch_cvar_kwait, _TRACE_SUB_CONDVAR, 0x0);
+TRACE_CODE(psynch_cvar_clrprepost, _TRACE_SUB_CONDVAR, 0x1);
+TRACE_CODE(psynch_cvar_freeitems, _TRACE_SUB_CONDVAR, 0x2);
+TRACE_CODE(psynch_cvar_signal, _TRACE_SUB_CONDVAR, 0x3);
+TRACE_CODE(psynch_cvar_broadcast, _TRACE_SUB_CONDVAR, 0x5);
+TRACE_CODE(psynch_cvar_zeroed, _TRACE_SUB_CONDVAR, 0x6);
+TRACE_CODE(psynch_cvar_updateval, _TRACE_SUB_CONDVAR, 0x7);
 
 #endif // _KERN_TRACE_H_