Index: head/sys/kern/kern_proc.c
===================================================================
--- head/sys/kern/kern_proc.c
+++ head/sys/kern/kern_proc.c
@@ -93,15 +93,6 @@
 #endif
 
 SDT_PROVIDER_DEFINE(proc);
-SDT_PROBE_DEFINE4(proc, , ctor, entry, "struct proc *", "int", "void *",
-    "int");
-SDT_PROBE_DEFINE4(proc, , ctor, return, "struct proc *", "int", "void *",
-    "int");
-SDT_PROBE_DEFINE4(proc, , dtor, entry, "struct proc *", "int", "void *",
-    "struct thread *");
-SDT_PROBE_DEFINE3(proc, , dtor, return, "struct proc *", "int", "void *");
-SDT_PROBE_DEFINE3(proc, , init, entry, "struct proc *", "int", "int");
-SDT_PROBE_DEFINE3(proc, , init, return, "struct proc *", "int", "int");
 
 MALLOC_DEFINE(M_PGRP, "pgrp", "process group header");
 MALLOC_DEFINE(M_SESSION, "session", "session header");
@@ -206,9 +197,7 @@
 	struct thread *td;
 
 	p = (struct proc *)mem;
-	SDT_PROBE4(proc, , ctor , entry, p, size, arg, flags);
 	EVENTHANDLER_DIRECT_INVOKE(process_ctor, p);
-	SDT_PROBE4(proc, , ctor , return, p, size, arg, flags);
 	td = FIRST_THREAD_IN_PROC(p);
 	if (td != NULL) {
 		/* Make sure all thread constructors are executed */
@@ -229,7 +218,6 @@
 	/* INVARIANTS checks go here */
 	p = (struct proc *)mem;
 	td = FIRST_THREAD_IN_PROC(p);
-	SDT_PROBE4(proc, , dtor, entry, p, size, arg, td);
 	if (td != NULL) {
 #ifdef INVARIANTS
 		KASSERT((p->p_numthreads == 1),
@@ -247,7 +235,6 @@
 	EVENTHANDLER_DIRECT_INVOKE(process_dtor, p);
 	if (p->p_ksi != NULL)
 		KASSERT(! KSI_ONQ(p->p_ksi), ("SIGCHLD queue"));
-	SDT_PROBE3(proc, , dtor, return, p, size, arg);
 }
 
 /*
@@ -259,7 +246,6 @@
 	struct proc *p;
 
 	p = (struct proc *)mem;
-	SDT_PROBE3(proc, , init, entry, p, size, flags);
 	mtx_init(&p->p_mtx, "process lock", NULL, MTX_DEF | MTX_DUPOK | MTX_NEW);
 	mtx_init(&p->p_slock, "process slock", NULL, MTX_SPIN | MTX_NEW);
 	mtx_init(&p->p_statmtx, "pstatl", NULL, MTX_SPIN | MTX_NEW);
@@ -270,7 +256,6 @@
 	EVENTHANDLER_DIRECT_INVOKE(process_init, p);
 	p->p_stats = pstats_alloc();
 	p->p_pgrp = NULL;
-	SDT_PROBE3(proc, , init, return, p, size, flags);
 	return (0);
 }