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dtrace: remove unused code

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Which is also useless, IMO.

MFC after:	5 days
This commit is contained in:
Andriy Gapon 2011-05-10 15:05:27 +00:00
parent 919f46b349
commit d9b8935fb9
2 changed files with 2 additions and 42 deletions
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22
sys/cddl/dev/dtrace/amd64/dtrace_subr.c
View File

@ -358,26 +358,6 @@ static uint64_t nsec_scale;
/* See below for the explanation of this macro. */
#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)
{
@ -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);

22
sys/cddl/dev/dtrace/i386/dtrace_subr.c
View File

@ -358,26 +358,6 @@ static uint64_t nsec_scale;
/* See below for the explanation of this macro. */
#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)
{
@ -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);