130     memory_threads_ = os_->num_cpus();  in CheckEnvironment()
136     size_mb_ = os_->FindFreeMemSize() / kMegabyte;  in CheckEnvironment()
142     list<string> locations = os_->FindFileDevices();  in CheckEnvironment()
183   if (!os_->IsSupported()) {  in CheckEnvironment()
202   bool result = os_->AllocateTestMem(size_, paddr_base_);  in AllocateMemory()
244     pe->addr = os_->PrepareTestMem(pe->offset, page_length_);  // Map it.  in GetValid()
247     pe->ts = os_->GetTimestamp();  in GetValid()
257     os_->ReleaseTestMem(pe->addr, pe->offset, page_length_);  // Unmap the page.  in PutValid()
283     pe->addr = os_->PrepareTestMem(pe->offset, page_length_);  // Map it.  in GetEmpty()
291     os_->ReleaseTestMem(pe->addr, pe->offset, page_length_);  // Unmap the page.  in PutEmpty()
311   uint64 maxsize = os_->FindFreeMemSize() * 4;  in AddrMapInit()
338     uint64 paddr = os_->VirtualToPhysical(base + i);  in AddrMapUpdate()
447     thread->InitThread(i, this, os_, patternlist_, &fill_status);  in InitializePages()
493       int64 paddr = os_->VirtualToPhysical(pe.addr);  in InitializePages()
494       int32 region = os_->FindRegion(paddr);  in InitializePages()
496       os_->FindDimm(paddr, buf, sizeof(buf));  in InitializePages()
567   os_ = OsLayerFactory(options);  in Initialize()
568   if (!os_) {  in Initialize()
574     os_->SetMinimumHugepagesSize(min_hugepages_mbytes_ * kMegabyte);  in Initialize()
576   if (!os_->Initialize()) {  in Initialize()
579     delete os_;  in Initialize()
588     os_->set_error_injection(true);  in Initialize()
617       finelock_q_->set_os(os_);  in Initialize()
618       os_->set_err_log_callback(finelock_q_->get_err_log_callback());  in Initialize()
704   os_ = 0;  in Sat()
1059     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1077     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1082       cpu_set_t *cpuset = os_->FindCoreMask(region);  in InitializeThreads()
1127     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1144     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1151     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1164     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1176     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1190     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1207       rthread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1231     thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1304       thread->InitThread(total_threads_++, this, os_, patternlist_,  in InitializeThreads()
1352       thread->InitThread(total_threads_++, this, os_, patternlist_,  in JoinThreads()
1826   if (os_) {  in Cleanup()
1827     os_->FreeTestMem();  in Cleanup()
1828     delete os_;  in Cleanup()
1829     os_ = 0;  in Cleanup()