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(parent: efec8d2) | patch
KVM: s390: count invalid yields
authorChristian Borntraeger <borntraeger@de.ibm.com>
Fri, 15 Feb 2019 12:47:20 +0000 (13:47 +0100)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Thu, 10 Oct 2019 11:18:38 +0000 (13:18 +0200)
commit8474e5cac07e7f21dd8c0b3620640db30115db56
tree41dabba55c3bacb5ca6c912765b87a6ae28f6327tree | snapshot
parentefec8d219fb1bc2d7ab4f1c582e7beed44e309f4commit | diff
KVM: s390: count invalid yields

To analyze some performance issues with lock contention and scheduling
it is nice to know when diag9c did not result in any action or when
no action was tried.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
arch/s390/include/asm/kvm_host.h diff | blob | blame | history
arch/s390/kvm/diag.c diff | blob | blame | history
arch/s390/kvm/kvm-s390.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)