[Bug 276967] sysctl dev.hwpstate_intel periodically slow
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Date: Thu, 18 Apr 2024 17:26:02 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276967 --- Comment #2 from Thomas Steen Rasmussen / Tykling <thomas@gibfest.dk> --- ok so today it started acting up again: ------------------ [tykling@nuc1 ~]$ time sysctl dev.hwpstate_intel dev.hwpstate_intel.5.epp: 50 dev.hwpstate_intel.5.%parent: cpu5 dev.hwpstate_intel.5.%pnpinfo: dev.hwpstate_intel.5.%location: dev.hwpstate_intel.5.%driver: hwpstate_intel dev.hwpstate_intel.5.%desc: Intel Speed Shift dev.hwpstate_intel.4.epp: 50 dev.hwpstate_intel.4.%parent: cpu4 dev.hwpstate_intel.4.%pnpinfo: dev.hwpstate_intel.4.%location: dev.hwpstate_intel.4.%driver: hwpstate_intel dev.hwpstate_intel.4.%desc: Intel Speed Shift dev.hwpstate_intel.3.epp: 50 dev.hwpstate_intel.3.%parent: cpu3 dev.hwpstate_intel.3.%pnpinfo: dev.hwpstate_intel.3.%location: dev.hwpstate_intel.3.%driver: hwpstate_intel dev.hwpstate_intel.3.%desc: Intel Speed Shift dev.hwpstate_intel.2.epp: 50 dev.hwpstate_intel.2.%parent: cpu2 dev.hwpstate_intel.2.%pnpinfo: dev.hwpstate_intel.2.%location: dev.hwpstate_intel.2.%driver: hwpstate_intel dev.hwpstate_intel.2.%desc: Intel Speed Shift load: 14.18 cmd: sysctl 38907 [runnable] 17.57r 0.00u 0.00s 0% 1780k dev.hwpstate_intel.1.epp: 50 dev.hwpstate_intel.1.%parent: cpu1 dev.hwpstate_intel.1.%pnpinfo: dev.hwpstate_intel.1.%location: dev.hwpstate_intel.1.%driver: hwpstate_intel dev.hwpstate_intel.1.%desc: Intel Speed Shift dev.hwpstate_intel.0.epp: 50 dev.hwpstate_intel.0.%parent: cpu0 dev.hwpstate_intel.0.%pnpinfo: dev.hwpstate_intel.0.%location: dev.hwpstate_intel.0.%driver: hwpstate_intel dev.hwpstate_intel.0.%desc: Intel Speed Shift dev.hwpstate_intel.%parent: real 0m56.086s user 0m0.000s sys 0m0.002s [tykling@nuc1 ~]$ ------------------ I ran procstat -kka while it was hanging and grepped for the pid in the output: ------------------ [tykling@nuc1 ~]$ sudo procstat -kka > procstat.txt [tykling@nuc1 ~]$ grep 38907 procstat.txt 38907 112055 sysctl - mi_switch+0xbf sched_bind+0x72 sysctl_epp_select+0xb3 sysctl_root_handler_locked+0x91 sysctl_root+0x244 userland_sysctl+0x176 sys___sysctl+0x60 amd64_syscall+0x110 fast_syscall_common+0xf8 [tykling@nuc1 ~]$ ------------------ Was this what you were looking for? I have the rest of procstat.txt still but I have to reboot the host now because it is affecting operation. Slowly more and more alerts for weird network related stuff starts triggering until eventually I cannot reach it anymore over the network. Thanks! -- You are receiving this mail because: You are the assignee for the bug.