Re: [linus:master] [perf/x86/intel] 25dfc9e357: kvm-unit-tests-qemu.pmu.fail

[Oliver Sang]

hi, Kan,

On Fri, Sep 20, 2024 at 09:27:06AM -0400, Liang, Kan wrote:

> > ...
> > PASS msr (1836 tests)
> > FAIL pmu (143 tests, 24 unexpected failures, 14 skipped)  <---
> 
> Is there a list to show which checks are failed?

I attached a pmu.log.

below failed which can pass on parent (v6.11-rc5)

FAIL: Intel: overflow: cntr-0
FAIL: Intel: overflow: status-0
FAIL: Intel: overflow: cntr-1
FAIL: Intel: overflow: status-1
FAIL: Intel: overflow: irq-1
FAIL: Intel: overflow: cntr-2
FAIL: Intel: overflow: status-2
FAIL: Intel: overflow: cntr-3
FAIL: Intel: overflow: status-3
FAIL: Intel: overflow: irq-3
FAIL: Intel: overflow: cntr-4
FAIL: Intel: overflow: status-4
FAIL: Intel: full-width writes: overflow: cntr-0
FAIL: Intel: full-width writes: overflow: status-0
FAIL: Intel: full-width writes: overflow: cntr-1
FAIL: Intel: full-width writes: overflow: status-1
FAIL: Intel: full-width writes: overflow: irq-1
FAIL: Intel: full-width writes: overflow: cntr-2
FAIL: Intel: full-width writes: overflow: status-2
FAIL: Intel: full-width writes: overflow: cntr-3
FAIL: Intel: full-width writes: overflow: status-3
FAIL: Intel: full-width writes: overflow: irq-3
FAIL: Intel: full-width writes: overflow: cntr-4
FAIL: Intel: full-width writes: overflow: status-4


> 
> Thanks,
> Kan
> 
> > PASS pmu_lbr (3 tests)
> > SKIP pmu_pebs (1 tests, 1 skipped)
> > ...
> > 
> > 
> > 
> > The kernel config and materials to reproduce are available at:
> > https://download.01.org/0day-ci/archive/20240920/202409201525.4877023e-oliver.sang@xxxxxxxxx
> > 
> > 
> > 
timeout -k 1s --foreground 90s /lkp/benchmarks/qemu/build/qemu-system-x86_64 --no-reboot -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel x86/pmu.flat -smp 1 -cpu max # -initrd /tmp/tmp.WgbBni4GGX
enabling apic
smp: waiting for 0 APs
paging enabled
cr0 = 80010011
cr3 = 1007000
cr4 = 20
PASS: Expected #GP on RDPMC(64)
PMU version:         2
GP counters:         4
GP counter width:    48
Mask length:         7
Fixed counters:      3
Fixed counter width: 48
PASS: Intel: core cycles-0
PASS: Intel: core cycles-1
PASS: Intel: core cycles-2
PASS: Intel: core cycles-3
PASS: Intel: instructions-0
PASS: Intel: instructions-1
PASS: Intel: instructions-2
PASS: Intel: instructions-3
PASS: Intel: ref cycles-0
PASS: Intel: ref cycles-1
PASS: Intel: ref cycles-2
PASS: Intel: ref cycles-3
PASS: Intel: llc references-0
PASS: Intel: llc references-1
PASS: Intel: llc references-2
PASS: Intel: llc references-3
PASS: Intel: llc misses-0
PASS: Intel: llc misses-1
PASS: Intel: llc misses-2
PASS: Intel: llc misses-3
PASS: Intel: branches-0
PASS: Intel: branches-1
PASS: Intel: branches-2
PASS: Intel: branches-3
PASS: Intel: branch misses-0
PASS: Intel: branch misses-1
PASS: Intel: branch misses-2
PASS: Intel: branch misses-3
PASS: Intel: fixed-0
PASS: Intel: fixed-1
PASS: Intel: fixed-2
PASS: Intel: rdpmc: cntr-0
SKIP: Intel: rdpmc: fast-0
PASS: Intel: rdpmc: cntr-1
SKIP: Intel: rdpmc: fast-1
PASS: Intel: rdpmc: cntr-2
SKIP: Intel: rdpmc: fast-2
PASS: Intel: rdpmc: cntr-3
SKIP: Intel: rdpmc: fast-3
PASS: Intel: rdpmc: fixed cntr-0
SKIP: Intel: rdpmc: fixed fast-0
PASS: Intel: rdpmc: fixed cntr-1
SKIP: Intel: rdpmc: fixed fast-1
PASS: Intel: rdpmc: fixed cntr-2
SKIP: Intel: rdpmc: fixed fast-2
PASS: Intel: all counters
FAIL: Intel: overflow: cntr-0
FAIL: Intel: overflow: status-0
PASS: Intel: overflow: status clear-0
PASS: Intel: overflow: irq-0
FAIL: Intel: overflow: cntr-1
FAIL: Intel: overflow: status-1
PASS: Intel: overflow: status clear-1
FAIL: Intel: overflow: irq-1
FAIL: Intel: overflow: cntr-2
FAIL: Intel: overflow: status-2
PASS: Intel: overflow: status clear-2
PASS: Intel: overflow: irq-2
FAIL: Intel: overflow: cntr-3
FAIL: Intel: overflow: status-3
PASS: Intel: overflow: status clear-3
FAIL: Intel: overflow: irq-3
FAIL: Intel: overflow: cntr-4
FAIL: Intel: overflow: status-4
PASS: Intel: overflow: status clear-4
PASS: Intel: overflow: irq-4
PASS: Intel: cmask
PASS: Intel: running counter wrmsr: cntr
PASS: Intel: running counter wrmsr: status msr bit
PASS: Intel: full-width writes: core cycles-0
PASS: Intel: full-width writes: core cycles-1
PASS: Intel: full-width writes: core cycles-2
PASS: Intel: full-width writes: core cycles-3
PASS: Intel: full-width writes: instructions-0
PASS: Intel: full-width writes: instructions-1
PASS: Intel: full-width writes: instructions-2
PASS: Intel: full-width writes: instructions-3
PASS: Intel: full-width writes: ref cycles-0
PASS: Intel: full-width writes: ref cycles-1
PASS: Intel: full-width writes: ref cycles-2
PASS: Intel: full-width writes: ref cycles-3
PASS: Intel: full-width writes: llc references-0
PASS: Intel: full-width writes: llc references-1
PASS: Intel: full-width writes: llc references-2
PASS: Intel: full-width writes: llc references-3
PASS: Intel: full-width writes: llc misses-0
PASS: Intel: full-width writes: llc misses-1
PASS: Intel: full-width writes: llc misses-2
PASS: Intel: full-width writes: llc misses-3
PASS: Intel: full-width writes: branches-0
PASS: Intel: full-width writes: branches-1
PASS: Intel: full-width writes: branches-2
PASS: Intel: full-width writes: branches-3
PASS: Intel: full-width writes: branch misses-0
PASS: Intel: full-width writes: branch misses-1
PASS: Intel: full-width writes: branch misses-2
PASS: Intel: full-width writes: branch misses-3
PASS: Intel: full-width writes: fixed-0
PASS: Intel: full-width writes: fixed-1
PASS: Intel: full-width writes: fixed-2
PASS: Intel: full-width writes: rdpmc: cntr-0
SKIP: Intel: full-width writes: rdpmc: fast-0
PASS: Intel: full-width writes: rdpmc: cntr-1
SKIP: Intel: full-width writes: rdpmc: fast-1
PASS: Intel: full-width writes: rdpmc: cntr-2
SKIP: Intel: full-width writes: rdpmc: fast-2
PASS: Intel: full-width writes: rdpmc: cntr-3
SKIP: Intel: full-width writes: rdpmc: fast-3
PASS: Intel: full-width writes: rdpmc: fixed cntr-0
SKIP: Intel: full-width writes: rdpmc: fixed fast-0
PASS: Intel: full-width writes: rdpmc: fixed cntr-1
SKIP: Intel: full-width writes: rdpmc: fixed fast-1
PASS: Intel: full-width writes: rdpmc: fixed cntr-2
SKIP: Intel: full-width writes: rdpmc: fixed fast-2
PASS: Intel: full-width writes: all counters
FAIL: Intel: full-width writes: overflow: cntr-0
FAIL: Intel: full-width writes: overflow: status-0
PASS: Intel: full-width writes: overflow: status clear-0
PASS: Intel: full-width writes: overflow: irq-0
FAIL: Intel: full-width writes: overflow: cntr-1
FAIL: Intel: full-width writes: overflow: status-1
PASS: Intel: full-width writes: overflow: status clear-1
FAIL: Intel: full-width writes: overflow: irq-1
FAIL: Intel: full-width writes: overflow: cntr-2
FAIL: Intel: full-width writes: overflow: status-2
PASS: Intel: full-width writes: overflow: status clear-2
PASS: Intel: full-width writes: overflow: irq-2
FAIL: Intel: full-width writes: overflow: cntr-3
FAIL: Intel: full-width writes: overflow: status-3
PASS: Intel: full-width writes: overflow: status clear-3
FAIL: Intel: full-width writes: overflow: irq-3
FAIL: Intel: full-width writes: overflow: cntr-4
FAIL: Intel: full-width writes: overflow: status-4
PASS: Intel: full-width writes: overflow: status clear-4
PASS: Intel: full-width writes: overflow: irq-4
PASS: Intel: full-width writes: cmask
PASS: Intel: full-width writes: running counter wrmsr: cntr
PASS: Intel: full-width writes: running counter wrmsr: status msr bit
PASS: Intel: full-width writes: writing unsupported width to MSR_IA32_PMC0 raises #GP
PASS: Intel: full-width writes: writing unsupported width to MSR_IA32_PMC1 raises #GP
PASS: Intel: full-width writes: writing unsupported width to MSR_IA32_PMC2 raises #GP
PASS: Intel: full-width writes: writing unsupported width to MSR_IA32_PMC3 raises #GP
SUMMARY: 143 tests, 24 unexpected failures, 14 skipped