/*
* dtrace_xcall() is not called from probe context.
*/
void
dtrace_xcall(processorid_t cpu, dtrace_xcall_t f, void *arg)
{
xcArg_t xcArg;
xcArg.cpu = cpu;
xcArg.f = f;
xcArg.arg = arg;
mp_broadcast( xcRemote, (void *)&xcArg);
}
/* Farm an update out to all CPUs */
static void
xcpu_update(void)
{
if (register_locks() != KERN_SUCCESS)
return;
/* Get all CPUs to perform the update */
mp_broadcast(cpu_update, NULL);
/* Update the cpuid info */
cpuid_set_info();
}
int broadcast_slave(int cnt, int bytes)
{
int i;
for (i=0; i<cnt; i++) {
if (flush & FLUSH_BETWEEN_ITERATIONS) {
inval_dcache();
inval_mcache();
}
mp_broadcast(&comm_world, 1);
}
return 0;
}
int broadcast_master(int cnt, int bytes)
{
int i;
unsigned long long total = 0;
TIMER_START;
for (i=0; i<cnt; i++) {
if (flush & FLUSH_BETWEEN_ITERATIONS) {
inval_dcache();
inval_mcache();
}
mp_broadcast(&comm_world, 1);
}
TIMER_STOP;
total = TIMER_ELAPSED;
total -= calibrate_cache_flush(cnt);
return(((unsigned long long)cnt*bytes*1000000)/(total*1024.0)); /* KB/sec */
}
