diff options
Diffstat (limited to 'test/tests/utils.cpp')
| -rw-r--r-- | test/tests/utils.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/test/tests/utils.cpp b/test/tests/utils.cpp index 2598156c..6bd6c121 100644 --- a/test/tests/utils.cpp +++ b/test/tests/utils.cpp @@ -29,7 +29,7 @@ static inline void TestCurrentProcessCPUUsage() namespace llfio = LLFIO_V2_NAMESPACE; std::vector<std::thread> threads; std::atomic<unsigned> done{0}; - for(size_t n = 0; n < std::thread::hardware_concurrency() / 4; n++) + for(size_t n = 0; n < std::thread::hardware_concurrency() / 2; n++) { threads.push_back(std::thread([&] { while(!done) @@ -41,12 +41,13 @@ static inline void TestCurrentProcessCPUUsage() std::this_thread::sleep_for(std::chrono::seconds(1)); llfio::utils::process_cpu_usage pcu2 = llfio::utils::current_process_cpu_usage().value(); auto diff = pcu2 - pcu1; - BOOST_CHECK(diff.process_ns_in_user_mode >= 900000000ULL * std::thread::hardware_concurrency() / 4); - BOOST_CHECK(diff.system_ns_in_user_mode >= 900000000ULL * std::thread::hardware_concurrency() / 4); - BOOST_CHECK(diff.system_ns_in_idle_mode <= 1100000000ULL * std::thread::hardware_concurrency() * 3 / 4); - std::cout << "With " << (std::thread::hardware_concurrency() / 4) << " threads busy the process spent " << diff.process_ns_in_user_mode << " ns in user mode and " - << diff.process_ns_in_kernel_mode << " ns in kernel mode. The system spent " << diff.system_ns_in_user_mode << " ns in user mode, " - << diff.system_ns_in_kernel_mode << " ns in kernel mode, and " << diff.system_ns_in_idle_mode << " in idle mode." << std::endl; + BOOST_CHECK(diff.process_ns_in_user_mode >= 900000000ULL * std::thread::hardware_concurrency() / 2); + BOOST_CHECK(diff.system_ns_in_user_mode >= 900000000ULL * std::thread::hardware_concurrency() / 2); + BOOST_CHECK(diff.system_ns_in_idle_mode <= 1100000000ULL * std::thread::hardware_concurrency() * 2); + std::cout << "With " << (std::thread::hardware_concurrency() / 2) << " threads busy the process spent " << diff.process_ns_in_user_mode + << " ns in user mode and " << diff.process_ns_in_kernel_mode << " ns in kernel mode. The system spent " << diff.system_ns_in_user_mode + << " ns in user mode, " << diff.system_ns_in_kernel_mode << " ns in kernel mode, and " << diff.system_ns_in_idle_mode << " in idle mode." + << std::endl; done = true; for(auto &t : threads) { |