On Wed, 24 Jan 2018 16:50:54 +0100
Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
> The overall instruction counter is larger than the sum of the
> single counters. We should try to catch all instruction handlers
> to make this match the summary counter.
> Let us add sck,tb,sske,iske,rrbe,tb,tpi,tsch,lpsw,pswe....
> and remove other unused ones.
This is rebased on top of the diagnose patch, right?
>
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> Acked-by: Janosch Frank <frankja@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
> ---
> arch/s390/include/asm/kvm_host.h | 21 +++++++++++++++++----
> arch/s390/kvm/diag.c | 1 +
> arch/s390/kvm/kvm-s390.c | 21 +++++++++++++++++----
> arch/s390/kvm/priv.c | 32 ++++++++++++++++++++++++++++++--
> 4 files changed, 65 insertions(+), 10 deletions(-)
>
> @@ -527,6 +544,7 @@ static int handle_io_inst(struct kvm_vcpu *vcpu)
> if (vcpu->arch.sie_block->ipa == 0xb235)
> return handle_tsch(vcpu);
> /* Handle in userspace. */
> + vcpu->stat.instruction_io_other++;
> return -EOPNOTSUPP;
> } else {
> /*
As an aside, we don't count I/O instructions if userspace did not
enable css support. But nobody does that with modern kernels anyway :)
Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
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