rt

KVM QEMU testing on Debian 12 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2404176-NE-RT699933317&gru.

rtProcessorMotherboardChipsetMemoryDiskGraphicsMonitorNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem LayerQEMU Virtual 2.5+ - bochs-drmdrmfb - QEMU Standard PCQEMU Virtual 2.5+ (8 Cores)QEMU Standard PC (i440FX + PIIX 1996) (4.2023.08-1 BIOS)Intel 440FX 82441FX PMC16GB107GB QEMU HDDbochs-drmdrmfbQEMU MonitorRed Hat Virtio deviceDebian 126.1.0-15-amd64 (x86_64)GCC 12.2.0ext41280x800KVM QEMUOpenBenchmarking.org- Transparent Huge Pages: always- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-defaulted --enable-offload-targets=nvptx-none=/build/gcc-12-bTRWOB/gcc-12-12.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-12-bTRWOB/gcc-12-12.2.0/debian/tmp-gcn/usr --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - CPU Microcode: 0x1- gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX unsupported + l1tf: Mitigation of PTE Inversion + mds: Vulnerable: Clear buffers attempted no microcode; SMT Host state unknown + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected

rtcyclictest: POSIX Timer, Interval 500 ms, 100000 Loopscyclictest: POSIX Timer, Interval 10000 ms, 10000 Loopscyclictest: clock_nanosleep TIME_ABSTIME, Interval 500 ms, 100000 Loopscyclictest: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 LoopsQEMU Virtual 2.5+ - bochs-drmdrmfb - QEMU Standard PC7310869104OpenBenchmarking.org

Cyclictest

Test Case: POSIX Timer, Interval 500 ms, 100000 Loops

OpenBenchmarking.orgms Average, Fewer Is BetterCyclictest 0.84Test Case: POSIX Timer, Interval 500 ms, 100000 LoopsQEMU Virtual 2.5+ - bochs-drmdrmfb - QEMU Standard PC1632486480SE +/- 0.80, N = 5731. (CC) gcc options: -O2 -lrt -lpthread -lrttest

Cyclictest

Test Case: POSIX Timer, Interval 10000 ms, 10000 Loops

OpenBenchmarking.orgms Average, Fewer Is BetterCyclictest 0.84Test Case: POSIX Timer, Interval 10000 ms, 10000 LoopsQEMU Virtual 2.5+ - bochs-drmdrmfb - QEMU Standard PC20406080100SE +/- 1.18, N = 151081. (CC) gcc options: -O2 -lrt -lpthread -lrttest

Cyclictest

Test Case: clock_nanosleep TIME_ABSTIME, Interval 500 ms, 100000 Loops

OpenBenchmarking.orgms Average, Fewer Is BetterCyclictest 0.84Test Case: clock_nanosleep TIME_ABSTIME, Interval 500 ms, 100000 LoopsQEMU Virtual 2.5+ - bochs-drmdrmfb - QEMU Standard PC1530456075SE +/- 0.88, N = 3691. (CC) gcc options: -O2 -lrt -lpthread -lrttest

Cyclictest

Test Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops

OpenBenchmarking.orgms Average, Fewer Is BetterCyclictest 0.84Test Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 LoopsQEMU Virtual 2.5+ - bochs-drmdrmfb - QEMU Standard PC20406080100SE +/- 1.31, N = 151041. (CC) gcc options: -O2 -lrt -lpthread -lrttest

Phoronix Test Suite v10.8.5