Re: [Xen-devel] [Xen-users] CPU steal counter broken

2017-09-09 Thread Valentin Vidic
On Thu, Aug 31, 2017 at 05:31:28PM +0200, Valentin Vidic wrote: > The following behavior of the steal counter is observed with > Xen 4.8.1 in a guest running 4.9 kernel (Debian stretch): > > $ while sleep 1; do head -1 /proc/stat; done > cpu 1556 0 1429 314195002 5529 0 64 143704

Re: [Xen-devel] xen-blkfront hang

2017-08-04 Thread Valentin Vidic
On Mon, Jul 31, 2017 at 09:09:19AM +0800, Dongli Zhang wrote: > To verify whether the above patch would help, please check the nr_grant_frames > value in guest domU. If this value is exactly the same of maximum grant frames > (by default, xen mainline uses 32) and the number of free grant reference

[Xen-devel] [PATCH] xen-blkback: reset flush counter for log_stats

2017-07-30 Thread Valentin Vidic
| ds0 | pg: 161/1056 [ 2138.179507] xen-blkback: (5.xvda-0): oo 0 | rd 137 | wr 16 | f 3433 | ds0 | pg: 161/1056 [ 2148.187460] xen-blkback: (5.xvda-0): oo 0 | rd0 | wr 25 | f 3448 | ds0 | pg: 161/1056 Signed-off-by: Valentin Vidic --- drivers/block/xen

Re: [Xen-devel] HPET enabled in BIOS, not presented as available_clocksource -- config, kernel code, &/or BIOS?

2017-05-13 Thread Valentin Vidic
On Sat, May 13, 2017 at 02:58:54PM -0700, PGNet Dev wrote: > Does this perhaps imply that Xen correctly uses HPET > > (XEN) [VT-D] MSI HPET: :f0:0f.0 > (XEN) Platform timer is 14.318MHz HPET I think so, yes. > but that Dom0 does not > > current_clocksource >

Re: [Xen-devel] HPET enabled in BIOS, not presented as available_clocksource -- config, kernel code, &/or BIOS?

2017-05-13 Thread Valentin Vidic
On Sat, May 13, 2017 at 01:05:22PM -0700, PGNet Dev wrote: > back to the error at hand ... > > xl dmesg | grep -i hpet > [1.365876] hpet_acpi_add: no address or irqs in _CRS > [1.365876] hpet_acpi_add: no address or irqs in _CRS > > again, only present when booting with Xen. > > sam

Re: [Xen-devel] HPET enabled in BIOS, not presented as available_clocksource -- config, kernel code, &/or BIOS?

2017-05-13 Thread Valentin Vidic
On Sat, May 13, 2017 at 02:06:28PM -0700, PGNet Dev wrote: > xl dmesg | grep -i hpet | grep -vi command > [1.365876] hpet_acpi_add: no address or irqs in _CRS > [1.365876] hpet_acpi_add: no address or irqs in _CRS Ah, guess this is caused by console_to_ring boot option. Better check y