In message <4cc732c7.50...@freebsd.org>, Alexander Motin wrote: >Takanori Watanabe wrote: >> Is this behavior expected, or something wrong? >> I noticed one of usb host controller device shares HPET irq. >> When I implement interrupt filter in uhci driver, the load average >> goes to 0 as before. >> >> >> ==== >> % vmstat -i >> interrupt total rate >> irq1: atkbd0 398 2 >> irq9: acpi0 408 2 >> irq12: psm0 3 0 >> irq19: ehci1 37 0 >> irq20: hpet0 uhci0 35970 230 >> irq22: ehci0 2 0 >> irq256: em0 4 0 >> irq257: ahci0 1692 10 >> Total 38514 246 >> === > >I haven't noticed that issue and it is surely not expected for me. I >will try to reproduce it. > >Most likely you should be able to avoid interrupt sharing using some >additional HPET options, described at hpet(4).
Try to disable using shared IRQ with uhci, the IRQ used by HPET become cpu: interrupt and certainly load average goes quite low, but never transit to C3 state. Using legacy route, it works quite well. _______________________________________________ freebsd-acpi@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "freebsd-acpi-unsubscr...@freebsd.org"
