[Bug 256217] [tcp] High system load because of interrupts with RACK
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Date: Fri, 28 May 2021 12:55:59 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256217 --- Comment #1 from Christos Chatzaras <chris@cretaforce.gr> --- With both LAPIC and HPET there are many interrups. ---- CPU 0: 39.0% user, 0.0% nice, 6.7% system, 47.2% interrupt, 7.1% idle CPU 1: 40.6% user, 0.0% nice, 3.5% system, 46.1% interrupt, 9.8% idle CPU 2: 44.5% user, 0.0% nice, 5.5% system, 43.7% interrupt, 6.3% idle CPU 3: 42.5% user, 0.0% nice, 6.7% system, 42.9% interrupt, 7.9% idle CPU 4: 38.2% user, 0.0% nice, 5.5% system, 48.4% interrupt, 7.9% idle CPU 5: 40.2% user, 0.0% nice, 5.1% system, 47.2% interrupt, 7.5% idle CPU 6: 42.5% user, 0.0% nice, 5.9% system, 44.1% interrupt, 7.5% idle CPU 7: 44.5% user, 0.0% nice, 6.7% system, 44.5% interrupt, 4.3% idle ---- sysctl kern.eventtimer.timer=LAPIC cpu0:timer 3814 3810 cpu1:timer 3868 3864 cpu2:timer 3947 3943 cpu3:timer 3916 3912 cpu4:timer 3780 3776 cpu5:timer 3917 3913 cpu6:timer 3860 3856 cpu7:timer 3814 3810 ---- sysctl kern.eventtimer.timer=HPET irq120: hpet0:t0 3047 3047 irq121: hpet0:t1 3053 3053 irq122: hpet0:t2 3146 3146 irq123: hpet0:t3 3099 3099 irq124: hpet0:t4 2942 2942 irq125: hpet0:t5 3120 3120 irq126: hpet0:t6 3037 3037 irq127: hpet0:t7 3049 3049 irq129: ahci0 101 101 irq130: em0:irq0 401 401 -- You are receiving this mail because: You are the assignee for the bug.