Hi, On Fri, Mar 21, 2014 at 10:40 -0000, Steven Hartland wrote: > When testing these things avoid VM's as thats will almost certainly > cause issues, VM's are bad for running games.
I know. I was just trying that to make sure it' a FreeBSD problem, and to possibly help with debugging. > I notice from those traces it seems they may have switched from using > gettimeofday to clock_gettime with CLOCK_MONOTONIC and CLOCK_REALTIME > this could be the cause of increased delay on older versions of FreeBSD > when compared to Linux as the later exports said syscalls to userspace > so avoiding the kernel call overhead. > > This was added in later versions of FreeBSD. > > This can also be HW dependent so worth grabbing bench_clock_realtime and > testing. I'm running FreeBSD-10. I would try bench_clock_realtime, but the only link I could find: http://sean.chittenden.org/pubfiles/freebsd/bench_clock_realtime.c times out for me. Do you have a source somwhere? > Also check to see what your timecounter settings are: > sysctl kern.timecounter | mcp:~>sysctl kern.timecounter | kern.timecounter.tc.i8254.mask: 65535 | kern.timecounter.tc.i8254.counter: 64577 | kern.timecounter.tc.i8254.frequency: 1193182 | kern.timecounter.tc.i8254.quality: 0 | kern.timecounter.tc.ACPI-fast.mask: 4294967295 | kern.timecounter.tc.ACPI-fast.counter: 600486036 | kern.timecounter.tc.ACPI-fast.frequency: 3579545 | kern.timecounter.tc.ACPI-fast.quality: 900 | kern.timecounter.tc.TSC-low.mask: 4294967295 | kern.timecounter.tc.TSC-low.counter: 1274252832 | kern.timecounter.tc.TSC-low.frequency: 1450013611 | kern.timecounter.tc.TSC-low.quality: -100 | kern.timecounter.stepwarnings: 0 | kern.timecounter.alloweddeviation: 5 | kern.timecounter.hardware: ACPI-fast | kern.timecounter.choice: TSC-low(-100) ACPI-fast(900) i8254(0) dummy(-1000000) | kern.timecounter.tick: 1 | kern.timecounter.fast_gettime: 1 | kern.timecounter.invariant_tsc: 0 | kern.timecounter.smp_tsc: 0 | kern.timecounter.smp_tsc_adjust: 0 | kern.timecounter.tsc_shift: 1 CU, Sec -- Procmail looks to me like an explosion at an ASCII factory. _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux
