Hi, >> On Jul 20, 2022, at 01:48, Masato Asou <a...@soum.co.jp> wrote: >> >> Sorry, my latest reply. >> >> I tested your patch on my Proxmox Virtual Environment on Ryzen7 box. >> It works fine for me. > > This VM doesn't have the ITSC CPU flag, > how is it using the TSC as a timecounter? > >> OpenBSD 7.1-current (GENERIC.MP) #1: Wed Jul 20 14:15:23 JST 2022 >> a...@pve-obsd.my.domain:/usr/src/sys/arch/amd64/compile/GENERIC.MP >> real mem = 17162952704 (16367MB) >> avail mem = 16625430528 (15855MB) >> random: good seed from bootblocks >> mpath0 at root >> scsibus0 at mpath0: 256 targets >> mainbus0 at root >> bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf59c0 (10 entries) >> bios0: vendor SeaBIOS version "rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org" >> date 04/01/2014 >> bios0: QEMU Standard PC (i440FX + PIIX, 1996) >> acpi0 at bios0: ACPI 1.0 >> acpi0: sleep states S3 S4 S5 >> acpi0: tables DSDT FACP APIC SSDT HPET WAET >> acpi0: wakeup devices >> acpitimer0 at acpi0: 3579545 Hz, 24 bits >> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat >> cpu0 at mainbus0: apid 0 (boot processor) >> cpu0: Common KVM processor, 3593.56 MHz, 0f-06-01 >> cpu0: >> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,CX16,x2APIC,HV,NXE,LONG,LAHF,CMPLEG > > Here, no "ITSC".
Sorry, This VM did not use ITSC as you mentioned. $ sysctl kern.timecounter kern.timecounter.tick=1 kern.timecounter.timestepwarnings=0 kern.timecounter.hardware=pvclock0 kern.timecounter.choice=i8254(0) pvclock0(1500) acpihpet0(1000) acpitimer0(1000) -- ASOU Masato
