guest KVM testing on Debian 10 via the Phoronix Test Suite. scheduler: none: Processor: 2 x Intel Core (Broadwell IBRS) (2 Cores), Motherboard: Red Hat KVM (1.11.1-4.module+el8.1.0+4066+0f1aadab BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 2048 MB RAM, Disk: 11GB QEMU HDD + 43GB QEMU HDD, Graphics: Red Hat QXL paravirtual graphic card, Network: 2 x Red Hat Virtio device OS: Debian 10, Kernel: 4.19.0-8-amd64 (x86_64), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better scheduler: none . 332.8 |====================================================== FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better scheduler: none . 770.9 |====================================================== FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better scheduler: none . 372.6 |====================================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better scheduler: none . 988.6 |======================================================