On 05.03.2018 12:16, Christian Borntraeger wrote:
> From: QingFeng Hao <haoqf@xxxxxxxxxxxxxxxxxx>
>
> This counter can be used for administration, debug or test purpose.
>
> Suggested-by: Vladislav Mironov <mironov@xxxxxxxxxx>
> Signed-off-by: QingFeng Hao <haoqf@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
> arch/s390/include/asm/kvm_host.h | 1 +
> arch/s390/kvm/interrupt.c | 1 +
> arch/s390/kvm/kvm-s390.c | 1 +
> 3 files changed, 3 insertions(+)
>
> diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
> index 22615af0b6e6..77a49de9c511 100644
> --- a/arch/s390/include/asm/kvm_host.h
> +++ b/arch/s390/include/asm/kvm_host.h
> @@ -320,6 +320,7 @@ struct kvm_vcpu_stat {
> u64 deliver_restart_signal;
> u64 deliver_program_int;
> u64 deliver_io_int;
> + u64 deliver_machine_check;
> u64 exit_wait_state;
> u64 instruction_epsw;
> u64 instruction_gs;
> diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
> index b04616b57a94..bde04a6191ca 100644
> --- a/arch/s390/kvm/interrupt.c
> +++ b/arch/s390/kvm/interrupt.c
> @@ -595,6 +595,7 @@ static int __must_check __deliver_machine_check(struct kvm_vcpu *vcpu)
> trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id,
> KVM_S390_MCHK,
> mchk.cr14, mchk.mcic);
> + vcpu->stat.deliver_machine_check++;
> rc = __write_machine_check(vcpu, &mchk);
> }
> return rc;
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index 6ee1d13a72f9..432277ad2114 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -88,6 +88,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
> { "deliver_restart_signal", VCPU_STAT(deliver_restart_signal) },
> { "deliver_program_interruption", VCPU_STAT(deliver_program_int) },
> { "deliver_io_interrupt", VCPU_STAT(deliver_io_int) },
> + { "deliver_machine_check", VCPU_STAT(deliver_machine_check) },
> { "exit_wait_state", VCPU_STAT(exit_wait_state) },
> { "instruction_epsw", VCPU_STAT(instruction_epsw) },
> { "instruction_gs", VCPU_STAT(instruction_gs) },
>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
--
Thanks,
David / dhildenb
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