I think I saw this some months ago, but then problem disappeared. But today:
$ time sleep 1 5.03s real 0.00s user 0.01s system $ time sleep 2 10.01s real 0.00s user 0.00s system $ date ; timeout 5 sleep 10 ; date Fri Dec 2 23:56:42 UTC 2022 Fri Dec 2 23:57:07 UTC 2022 $ date ; sleep 0.5 ; date Fri Dec 2 23:58:24 UTC 2022 Fri Dec 2 23:58:27 UTC 2022 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100 Dell Inc. Inspiron 560s (00) ACPI: HPET 0x00000000BDD6A640 000038 (v01 111010 OEMHPET 20101110 MSFT 00000097) acpi0: fixed power button present timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000 hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400) timecounter: Timecounter "hpet0" frequency 14318180 Hz quality 2000 attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0 t1:reed$ date ; time sleep 1 ; date Sat Dec 3 00:31:40 UTC 2022 5.01s real 0.00s user 0.00s system Sat Dec 3 00:31:45 UTC 2022 $ cat /kern/hz 100 $ uname -mrsv NetBSD 9.2 NetBSD 9.2 (GENERIC) #0: Wed May 12 13:15:55 UTC 2021 mkre...@mkrepro.netbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC amd64 $ uptime 1:48AM up 94 days, 11:49, 4 users, load averages: 0.12, 0.38, 0.22 The system is continually used without any other noticable issues. Any ideas on how to tune this? Possible to fix without reboot? Troubleshoot? Thanks