342 }
343
344 julong os::Solaris::_physical_memory = 0;
345
346 julong os::physical_memory() {
347 return Solaris::physical_memory();
348 }
349
350 static hrtime_t first_hrtime = 0;
351 static const hrtime_t hrtime_hz = 1000*1000*1000;
352 static volatile hrtime_t max_hrtime = 0;
353
354
355 void os::Solaris::initialize_system_info() {
356 set_processor_count(sysconf(_SC_NPROCESSORS_CONF));
357 _processors_online = sysconf (_SC_NPROCESSORS_ONLN);
358 _physical_memory = (julong)sysconf(_SC_PHYS_PAGES) * (julong)sysconf(_SC_PAGESIZE);
359 }
360
361 int os::active_processor_count() {
362 int online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
363 pid_t pid = getpid();
364 psetid_t pset = PS_NONE;
365 // Are we running in a processor set or is there any processor set around?
366 if (pset_bind(PS_QUERY, P_PID, pid, &pset) == 0) {
367 uint_t pset_cpus;
368 // Query the number of cpus available to us.
369 if (pset_info(pset, NULL, &pset_cpus, NULL) == 0) {
370 assert(pset_cpus > 0 && pset_cpus <= online_cpus, "sanity check");
371 _processors_online = pset_cpus;
372 return pset_cpus;
373 }
374 }
375 // Otherwise return number of online cpus
376 return online_cpus;
377 }
378
379 static bool find_processors_in_pset(psetid_t pset,
380 processorid_t** id_array,
381 uint_t* id_length) {
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342 }
343
344 julong os::Solaris::_physical_memory = 0;
345
346 julong os::physical_memory() {
347 return Solaris::physical_memory();
348 }
349
350 static hrtime_t first_hrtime = 0;
351 static const hrtime_t hrtime_hz = 1000*1000*1000;
352 static volatile hrtime_t max_hrtime = 0;
353
354
355 void os::Solaris::initialize_system_info() {
356 set_processor_count(sysconf(_SC_NPROCESSORS_CONF));
357 _processors_online = sysconf (_SC_NPROCESSORS_ONLN);
358 _physical_memory = (julong)sysconf(_SC_PHYS_PAGES) * (julong)sysconf(_SC_PAGESIZE);
359 }
360
361 int os::active_processor_count() {
362 // User has overridden the number of active processors
363 if (ActiveProcessorCount > 0) {
364 if (Verbose) {
365 tty->print_cr("active_processor_count: "
366 "active processor count set by user : %d",
367 ActiveProcessorCount);
368 }
369 return ActiveProcessorCount;
370 }
371
372 int online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
373 pid_t pid = getpid();
374 psetid_t pset = PS_NONE;
375 // Are we running in a processor set or is there any processor set around?
376 if (pset_bind(PS_QUERY, P_PID, pid, &pset) == 0) {
377 uint_t pset_cpus;
378 // Query the number of cpus available to us.
379 if (pset_info(pset, NULL, &pset_cpus, NULL) == 0) {
380 assert(pset_cpus > 0 && pset_cpus <= online_cpus, "sanity check");
381 _processors_online = pset_cpus;
382 return pset_cpus;
383 }
384 }
385 // Otherwise return number of online cpus
386 return online_cpus;
387 }
388
389 static bool find_processors_in_pset(psetid_t pset,
390 processorid_t** id_array,
391 uint_t* id_length) {
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