Author: avg
Date: Tue May 10 15:05:27 2011
New Revision: 221740
URL: http://svn.freebsd.org/changeset/base/221740
Log:
dtrace: remove unused code
Which is also useless, IMO.
MFC after: 5 days
Modified:
head/sys/cddl/dev/dtrace/amd64/dtrace_subr.c
head/sys/cddl/dev/dtrace/i386/dtrace_subr.c
Modified: head/sys/cddl/dev/dtrace/amd64/dtrace_subr.c
==============================================================================
--- head/sys/cddl/dev/dtrace/amd64/dtrace_subr.c Tue May 10 14:21:44
2011 (r221739)
+++ head/sys/cddl/dev/dtrace/amd64/dtrace_subr.c Tue May 10 15:05:27
2011 (r221740)
@@ -359,26 +359,6 @@ static uint64_t nsec_scale;
#define SCALE_SHIFT 28
static void
-dtrace_gethrtime_init_sync(void *arg)
-{
-#ifdef CHECK_SYNC
- /*
- * Delay this function from returning on one
- * of the CPUs to check that the synchronisation
- * works.
- */
- uintptr_t cpu = (uintptr_t) arg;
-
- if (cpu == curcpu) {
- int i;
- for (i = 0; i < 1000000000; i++)
- tgt_cpu_tsc = rdtsc();
- tgt_cpu_tsc = 0;
- }
-#endif
-}
-
-static void
dtrace_gethrtime_init_cpu(void *arg)
{
uintptr_t cpu = (uintptr_t) arg;
@@ -434,7 +414,7 @@ dtrace_gethrtime_init(void *arg)
pc = pcpu_find(i);
map = PCPU_GET(cpumask) | pc->pc_cpumask;
- smp_rendezvous_cpus(map, dtrace_gethrtime_init_sync,
+ smp_rendezvous_cpus(map, NULL,
dtrace_gethrtime_init_cpu,
smp_no_rendevous_barrier, (void *)(uintptr_t) i);
Modified: head/sys/cddl/dev/dtrace/i386/dtrace_subr.c
==============================================================================
--- head/sys/cddl/dev/dtrace/i386/dtrace_subr.c Tue May 10 14:21:44 2011
(r221739)
+++ head/sys/cddl/dev/dtrace/i386/dtrace_subr.c Tue May 10 15:05:27 2011
(r221740)
@@ -359,26 +359,6 @@ static uint64_t nsec_scale;
#define SCALE_SHIFT 28
static void
-dtrace_gethrtime_init_sync(void *arg)
-{
-#ifdef CHECK_SYNC
- /*
- * Delay this function from returning on one
- * of the CPUs to check that the synchronisation
- * works.
- */
- uintptr_t cpu = (uintptr_t) arg;
-
- if (cpu == curcpu) {
- int i;
- for (i = 0; i < 1000000000; i++)
- tgt_cpu_tsc = rdtsc();
- tgt_cpu_tsc = 0;
- }
-#endif
-}
-
-static void
dtrace_gethrtime_init_cpu(void *arg)
{
uintptr_t cpu = (uintptr_t) arg;
@@ -434,7 +414,7 @@ dtrace_gethrtime_init(void *arg)
pc = pcpu_find(i);
map = PCPU_GET(cpumask) | pc->pc_cpumask;
- smp_rendezvous_cpus(map, dtrace_gethrtime_init_sync,
+ smp_rendezvous_cpus(map, NULL,
dtrace_gethrtime_init_cpu,
smp_no_rendevous_barrier, (void *)(uintptr_t) i);
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