10.01.2022 12:12, Kevin Oberman wrote: > I continue to see odd performance issues and just noticed something I can put > my finger on that may explain it. It has gone from odd to totally off the > rails. Any ideas will be appreciated. > > Normally, on an idle system I see all CPUs running at full speed. > dev.cpu.7.freq: 2101 > dev.cpu.6.freq: 2101 > dev.cpu.5.freq: 2101 > dev.cpu.4.freq: 2101 > dev.cpu.3.freq: 2101 > dev.cpu.2.freq: 2101 > dev.cpu.1.freq: 2101 > dev.cpu.0.freq: 2101 > > But, during a large compile (e.g. llvm or firefox), things sometimes go > wonky. Everything slows to a crawl. And, I see: > dev.cpu.7.freq: 400 > dev.cpu.6.freq: 400 > dev.cpu.5.freq: 400 > dev.cpu.4.freq: 400 > dev.cpu.3.freq: 400 > dev.cpu.2.freq: 400 > dev.cpu.1.freq: 400 > dev.cpu.0.freq: 2101
Did you set by any chance sysctl hw.acpi.thermal.tz0.passive_cooling=1 ? Maybe, some other non-default settings for any of hw.acpi.thermal.* in /etc/sysctl.conf or /boot/loader.conf? Is powerd(8) started? Also, you did not mention your FreeBSD version.
