Re: [kvm-unit-tests PATCH v2 10/10] travis.yml: Add x86 build with clang 10

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On Fri, Sep 04, 2020 at 04:31:03PM +0200, Thomas Huth wrote:
> On 01/09/2020 10.50, Roman Bolshakov wrote:
> > .gitlab-ci.yml already has a job to build the tests with clang but it's
> > not clear how to set it up on a personal github repo.
> 
> You can't use gitlab-ci from a github repo, it's a separate git forge
> system.
> 
> > NB, realmode test is disabled because it fails immediately after start
> > if compiled with clang-10.
> > 
> > Signed-off-by: Roman Bolshakov <r.bolshakov@xxxxxxxxx>
> > ---
> >  .travis.yml | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> > 
> > diff --git a/.travis.yml b/.travis.yml
> > index f3a8899..ae4ed08 100644
> > --- a/.travis.yml
> > +++ b/.travis.yml
> > @@ -17,6 +17,16 @@ jobs:
> >                 kvmclock_test msr pcid rdpru realmode rmap_chain s3 setjmp umip"
> >        - ACCEL="kvm"
> >  
> > +    - addons:
> > +        apt_packages: clang-10 qemu-system-x86
> > +      env:
> > +      - CONFIG="--cc=clang-10"
> > +      - BUILD_DIR="."
> > +      - TESTS="access asyncpf debug emulator ept hypercall hyperv_stimer
> > +               hyperv_synic idt_test intel_iommu ioapic ioapic-split
> > +               kvmclock_test msr pcid rdpru rmap_chain s3 setjmp umip"
> > +      - ACCEL="kvm"
> 
> We already have two jobs for compiling on x86, one for testing in-tree
> builds and one for testing out-of-tree builds ... I wonder whether we
> should simply switch one of those two jobs to use clang-10 instead of
> gcc (since the in/out-of-tree stuff should be hopefully independent of
> the compiler type)? Since Travis limits the amount of jobs that run at
> the same time, that would not increase the total testing time, I think.
> 

Hi Thomas,

sure, that works for me.

>  Thomas
> 
> 
> PS: Maybe we could update from bionic to focal now, too, and see whether
> some more tests are working with the newer version of QEMU there...
> 

no problem, here're results for focal/kvm on IBM x3500 M3 (Nehalem) if
the tests are built with clang:

PASS apic-split (53 tests)
PASS ioapic-split (19 tests)
PASS apic (53 tests)
PASS ioapic (26 tests)
SKIP cmpxchg8b (i386 only)
PASS smptest (1 tests)
PASS smptest3 (1 tests)
PASS vmexit_cpuid
PASS vmexit_vmcall
PASS vmexit_mov_from_cr8
PASS vmexit_mov_to_cr8
PASS vmexit_inl_pmtimer
PASS vmexit_ipi
PASS vmexit_ipi_halt
PASS vmexit_ple_round_robin
PASS vmexit_tscdeadline
PASS vmexit_tscdeadline_immed
PASS access
SKIP smap (0 tests)
SKIP pku (0 tests)
PASS asyncpf (1 tests)
PASS emulator (125 tests, 2 skipped)
PASS eventinj (13 tests)
PASS hypercall (2 tests)
PASS idt_test (4 tests)
PASS memory (8 tests)
PASS msr (12 tests)
SKIP pmu (/proc/sys/kernel/nmi_watchdog not equal to 0)
SKIP vmware_backdoors (/sys/module/kvm/parameters/enable_vmware_backdoor
not equal to Y)
PASS port80
FAIL realmode
PASS s3
PASS setjmp (10 tests)
PASS sieve
PASS syscall (2 tests)
PASS tsc (3 tests)
PASS tsc_adjust (5 tests)
PASS xsave (4 tests)
PASS rmap_chain
SKIP svm (0 tests)
SKIP taskswitch (i386 only)
SKIP taskswitch2 (i386 only)
PASS kvmclock_test
PASS pcid (3 tests)
PASS pcid-disabled (3 tests)
PASS rdpru (1 tests)
PASS umip (21 tests)
FAIL vmx
PASS ept (8636 tests)
SKIP vmx_eoi_bitmap_ioapic_scan (1 tests, 1 skipped)
SKIP vmx_hlt_with_rvi_test (1 tests, 1 skipped)
SKIP vmx_apicv_test (2 tests, 2 skipped)
PASS vmx_apic_passthrough_thread (8 tests)
FAIL vmx_init_signal_test (8 tests, 1 unexpected failures)
FAIL vmx_apic_passthrough_tpr_threshold_test (timeout; duration=10)
PASS vmx_vmcs_shadow_test (142218 tests)
PASS debug (11 tests)
PASS hyperv_synic (1 tests)
PASS hyperv_connections (7 tests)
PASS hyperv_stimer (12 tests)
PASS hyperv_clock
PASS intel_iommu (11 tests)
PASS tsx-ctrl

Here are results for the same server if tests are built with gcc:
SureSS apic-split (53 tests)
PASS ioapic-split (19 tests)
PASS apic (53 tests)
PASS ioapic (26 tests)
SKIP cmpxchg8b (i386 only)
PASS smptest (1 tests)
PASS smptest3 (1 tests)
PASS vmexit_cpuid
PASS vmexit_vmcall
PASS vmexit_mov_from_cr8
PASS vmexit_mov_to_cr8
PASS vmexit_inl_pmtimer
PASS vmexit_ipi
PASS vmexit_ipi_halt
PASS vmexit_ple_round_robin
PASS vmexit_tscdeadline
PASS vmexit_tscdeadline_immed
PASS access
SKIP smap (0 tests)
SKIP pku (0 tests)
PASS asyncpf (1 tests)
PASS emulator (125 tests, 2 skipped)
PASS eventinj (13 tests)
PASS hypercall (2 tests)
PASS idt_test (4 tests)
PASS memory (8 tests)
PASS msr (12 tests)
SKIP pmu (/proc/sys/kernel/nmi_watchdog not equal to 0)
SKIP vmware_backdoors (/sys/module/kvm/parameters/enable_vmware_backdoor
not equal to Y)
PASS port80
PASS realmode
PASS s3
PASS setjmp (10 tests)
PASS sieve
PASS syscall (2 tests)
PASS tsc (3 tests)
PASS tsc_adjust (5 tests)
PASS xsave (4 tests)
PASS rmap_chain
SKIP svm (0 tests)
SKIP taskswitch (i386 only)
SKIP taskswitch2 (i386 only)
PASS kvmclock_test
PASS pcid (3 tests)
PASS pcid-disabled (3 tests)
PASS rdpru (1 tests)
PASS umip (21 tests)
FAIL vmx
PASS ept (8636 tests)
SKIP vmx_eoi_bitmap_ioapic_scan (1 tests, 1 skipped)
SKIP vmx_hlt_with_rvi_test (1 tests, 1 skipped)
SKIP vmx_apicv_test (2 tests, 2 skipped)
PASS vmx_apic_passthrough_thread (8 tests)
FAIL vmx_init_signal_test (8 tests, 1 unexpected failures)
FAIL vmx_apic_passthrough_tpr_threshold_test (timeout; duration=10)
PASS vmx_vmcs_shadow_test (142218 tests)
PASS debug (11 tests)
PASS hyperv_synic (1 tests)
PASS hyperv_connections (7 tests)
PASS hyperv_stimer (12 tests)
PASS hyperv_clock
PASS intel_iommu (11 tests)
PASS tsx-ctrl

The difference is only realmode test which doesn't work if built by
clang.

Thanks,
Roman



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