xnu-6153.81.5.tar.gz

[apple/xnu.git] / bsd / kern / kern_clock.c

diff --git a/bsd/kern/kern_clock.c b/bsd/kern/kern_clock.c
index fd776ee2f0316320d905e9c8fdf1679e7e806346..a9c778a6458cf445e6f54c010ec78cef844a83c2 100644 (file)
--- a/bsd/kern/kern_clock.c
+++ b/bsd/kern/kern_clock.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -79,10 +79,6 @@
 #include <sys/vm.h>
 #include <sys/sysctl.h>
 
-#ifdef GPROF
-#include <sys/gmon.h>
-#endif
-
 #include <kern/thread.h>
 #include <kern/ast.h>
 #include <kern/assert.h>
@@ -332,61 +328,6 @@ tvtohz(struct timeval *tv)
        return (int)ticks;
 }
 
-
-/*
- * Start profiling on a process.
- *
- * Kernel profiling passes kernel_proc which never exits and hence
- * keeps the profile clock running constantly.
- */
-void
-startprofclock(struct proc *p)
-{
-       if ((p->p_flag & P_PROFIL) == 0) {
-               OSBitOrAtomic(P_PROFIL, &p->p_flag);
-       }
-}
-
-/*
- * Stop profiling on a process.
- */
-void
-stopprofclock(struct proc *p)
-{
-       if (p->p_flag & P_PROFIL) {
-               OSBitAndAtomic(~((uint32_t)P_PROFIL), &p->p_flag);
-       }
-}
-
-/* TBD locking user profiling is not resolved yet */
-void
-bsd_uprofil(struct time_value *syst, user_addr_t pc)
-{
-       struct proc *p = current_proc();
-       int             ticks;
-       struct timeval  *tv;
-       struct timeval st;
-
-       if (p == NULL) {
-               return;
-       }
-       if (!(p->p_flag & P_PROFIL)) {
-               return;
-       }
-
-       st.tv_sec = syst->seconds;
-       st.tv_usec = syst->microseconds;
-
-       tv = &(p->p_stats->p_ru.ru_stime);
-
-       ticks = ((tv->tv_sec - st.tv_sec) * 1000 +
-           (tv->tv_usec - st.tv_usec) / 1000) /
-           (tick / 1000);
-       if (ticks) {
-               addupc_task(p, pc, ticks);
-       }
-}
-
 /* TBD locking user profiling is not resolved yet */
 void
 get_procrustime(time_value_t *tv)