prevent NaN in thread pool stats #17994
Description
ub_sanitizer нашел попытку преобразовать NaN в тип unsigned int
/place/sandbox-data/tasks/8/8/3053489088/__FUSE/mount_path_85659d51-ce9b-4cfe-bbaa-40809fb5ff23/contrib/ydb/core/util/cpuinfo.cpp:108:32: runtime error: -nan is outside the range of representable values of type 'unsigned int'
#0 0x35c666d6 in NKikimr::TSystemThreadsMonitor::GetThreadPools(TInstant) /-S/contrib/ydb/core/util/cpuinfo.cpp:108:32
#1 0x35c0d648 in NKikimr::NNodeWhiteboard::TNodeWhiteboardService::Handle(TAutoPtr<NActors::TEventHandle<NKikimr::NNodeWhiteboard::TNodeWhiteboardService::TEvPrivate::TEvUpdateRuntimeStats>, TDelete>&, NActors::TActorContext const&) /-S/contrib/ydb/core/tablet/node_whiteboard.cpp:1152:43
#2 0x35bfa08c in NKikimr::NNodeWhiteboard::TNodeWhiteboardService::StateFunc(TAutoPtr<NActors::IEventHandle, TDelete>&) /-S/contrib/ydb/core/tablet/node_whiteboard.cpp:526:5
#3 0x16ebbd43 in NActors::IActor::Receive(TAutoPtr<NActors::IEventHandle, TDelete>&) /-S/contrib/ydb/library/actors/core/actor.cpp:280:13
#4 0x331e74cb in NActors::TTestActorRuntimeBase::SendInternal(TAutoPtr<NActors::IEventHandle, TDelete>, unsigned int, bool) /-S/contrib/ydb/library/actors/testlib/test_runtime.cpp:1702:33
#5 0x331dfe6a in NActors::TTestActorRuntimeBase::DispatchEventsInternal(NActors::TDispatchOptions const&, TInstant) /-S/contrib/ydb/library/actors/testlib/test_runtime.cpp:1295:45
#6 0x331dd77e in NActors::TTestActorRuntimeBase::DispatchEvents(NActors::TDispatchOptions const&, TInstant) /-S/contrib/ydb/library/actors/testlib/test_runtime.cpp:1091:16
#7 0x1203075c in NCloud::NStorage::(anonymous namespace)::BootHiveMock(NActors::TTestActorRuntime&, unsigned long, TIntrusivePtr<NCloud::NStorage::(anonymous namespace)::THiveMockState, TDefaultIntrusivePtrOps<NCloud::NStorage::(anonymous namespace)::THiveMockState>>, NCloud::NStorage::(anonymous namespace)::EExternalBootOptions) /-S/cloud/storage/core/libs/hive_proxy/hive_proxy_ut.cpp:415:17
#8 0x11fe3d57 in NCloud::NStorage::(anonymous namespace)::TTestEnv::TTestEnv(NActors::TTestActorRuntime&, TBasicString<char, std::__y1::char_traits<char>>, bool, bool, bool) /-S/cloud/storage/core/libs/hive_proxy/hive_proxy_ut.cpp:447:9
#9 0x11fef7e7 in NCloud::NStorage::NTestSuiteTHiveProxyTest::TTestCaseLockReconnected::Execute_(NUnitTest::TTestContext&) /-S/cloud/storage/core/libs/hive_proxy/hive_proxy_ut.cpp:909:18
#10 0x1202d38f in NCloud::NStorage::NTestSuiteTHiveProxyTest::TCurrentTest::Execute()::'lambda'()::operator()() const /-S/cloud/storage/core/libs/hive_proxy/hive_proxy_ut.cpp:802:1
#11 0x12545679 in NUnitTest::TTestBase::Run(std::__y1::function<void ()>, TBasicString<char, std::__y1::char_traits<char>> const&, char const*, bool) /-S/library/cpp/testing/unittest/registar.cpp:373:18
#12 0x1202b74f in NCloud::NStorage::NTestSuiteTHiveProxyTest::TCurrentTest::Execute() /-S/cloud/storage/core/libs/hive_proxy/hive_proxy_ut.cpp:802:1
#13 0x12547045 in NUnitTest::TTestFactory::Execute() /-S/library/cpp/testing/unittest/registar.cpp:494:19
#14 0x1256700c in NUnitTest::RunMain(int, char**) /-S/library/cpp/testing/unittest/utmain.cpp:872:44
#15 0x7f582a8d8082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee)
#16 0x1001f028 in _start (/tmp/3053489088/tmpscdMvC/build_root/fxqa/007ce8/cloud/storage/core/libs/hive_proxy/ut/cloud-storage-core-libs-hive_proxy-ut+0x1001f028) (BuildId: 6ff85f4ee4c5af508adb6bac1d7e58f9d8052d10)
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /place/sandbox-data/tasks/8/8/3053489088/__FUSE/mount_path_85659d51-ce9b-4cfe-bbaa-40809fb5ff23/contrib/ydb/core/util/cpuinfo.cpp:108:32