274
275 julong os::Solaris::_physical_memory = 0;
276
277 julong os::physical_memory() {
278 return Solaris::physical_memory();
279 }
280
281 static hrtime_t first_hrtime = 0;
282 static const hrtime_t hrtime_hz = 1000*1000*1000;
283 static volatile hrtime_t max_hrtime = 0;
284
285
286 void os::Solaris::initialize_system_info() {
287 set_processor_count(sysconf(_SC_NPROCESSORS_CONF));
288 _processors_online = sysconf(_SC_NPROCESSORS_ONLN);
289 _physical_memory = (julong)sysconf(_SC_PHYS_PAGES) *
290 (julong)sysconf(_SC_PAGESIZE);
291 }
292
293 int os::active_processor_count() {
294 int online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
295 pid_t pid = getpid();
296 psetid_t pset = PS_NONE;
297 // Are we running in a processor set or is there any processor set around?
298 if (pset_bind(PS_QUERY, P_PID, pid, &pset) == 0) {
299 uint_t pset_cpus;
300 // Query the number of cpus available to us.
301 if (pset_info(pset, NULL, &pset_cpus, NULL) == 0) {
302 assert(pset_cpus > 0 && pset_cpus <= online_cpus, "sanity check");
303 _processors_online = pset_cpus;
304 return pset_cpus;
305 }
306 }
307 // Otherwise return number of online cpus
308 return online_cpus;
309 }
310
311 static bool find_processors_in_pset(psetid_t pset,
312 processorid_t** id_array,
313 uint_t* id_length) {
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274
275 julong os::Solaris::_physical_memory = 0;
276
277 julong os::physical_memory() {
278 return Solaris::physical_memory();
279 }
280
281 static hrtime_t first_hrtime = 0;
282 static const hrtime_t hrtime_hz = 1000*1000*1000;
283 static volatile hrtime_t max_hrtime = 0;
284
285
286 void os::Solaris::initialize_system_info() {
287 set_processor_count(sysconf(_SC_NPROCESSORS_CONF));
288 _processors_online = sysconf(_SC_NPROCESSORS_ONLN);
289 _physical_memory = (julong)sysconf(_SC_PHYS_PAGES) *
290 (julong)sysconf(_SC_PAGESIZE);
291 }
292
293 int os::active_processor_count() {
294 // User has overridden the number of active processors
295 if (ActiveProcessorCount > 0) {
296 log_trace(os)("active_processor_count: "
297 "active processor count set by user : %d",
298 (int)ActiveProcessorCount);
299 return ActiveProcessorCount;
300 }
301
302 int online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
303 pid_t pid = getpid();
304 psetid_t pset = PS_NONE;
305 // Are we running in a processor set or is there any processor set around?
306 if (pset_bind(PS_QUERY, P_PID, pid, &pset) == 0) {
307 uint_t pset_cpus;
308 // Query the number of cpus available to us.
309 if (pset_info(pset, NULL, &pset_cpus, NULL) == 0) {
310 assert(pset_cpus > 0 && pset_cpus <= online_cpus, "sanity check");
311 _processors_online = pset_cpus;
312 return pset_cpus;
313 }
314 }
315 // Otherwise return number of online cpus
316 return online_cpus;
317 }
318
319 static bool find_processors_in_pset(psetid_t pset,
320 processorid_t** id_array,
321 uint_t* id_length) {
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