On Tue, Jan 30, 2024, Sean Christopherson wrote: > On Thu, 11 Jan 2024 14:59:01 +0100, Vitaly Kuznetsov wrote: > > xen_shinfo_test is observed to be flaky failing sporadically with > > "VM time too old". With min_ts/max_ts debug print added: > > > > Wall clock (v 3269818) 1704906491.986255664 > > Time info 1: v 1282712 tsc 33530585736 time 14014430025 mul 3587552223 shift 4294967295 flags 1 > > Time info 2: v 1282712 tsc 33530585736 time 14014430025 mul 3587552223 shift 4294967295 flags 1 > > min_ts: 1704906491.986312153 > > max_ts: 1704906506.001006963 > > ==== Test Assertion Failure ==== > > x86_64/xen_shinfo_test.c:1003: cmp_timespec(&min_ts, &vm_ts) <= 0 > > pid=32724 tid=32724 errno=4 - Interrupted system call > > 1 0x00000000004030ad: main at xen_shinfo_test.c:1003 > > 2 0x00007fca6b23feaf: ?? ??:0 > > 3 0x00007fca6b23ff5f: ?? ??:0 > > 4 0x0000000000405e04: _start at ??:? > > VM time too old > > > > [...] > > Applied to kvm-x86 selftests. David, please holler if you disagree with > any of the changes. They look sane to me, but clock stuff ain't my forte. > > Thanks! > > [1/1] KVM: selftests: Compare wall time from xen shinfo against KVM_GET_CLOCK > https://github.com/kvm-x86/linux/commit/a0868e7c5575 FYI, I've dropped this as it looks like there will be a new version.
