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| author |   Amit Tomar <amittomer25@gmail.com> | 2015-11-26 10:09:43 +0000 |
|---|---|---|
| committer |   Marc Zyngier <marc.zyngier@arm.com> | 2015-12-14 11:30:00 +0000 |
| commit | b19e6892a90e7c9d15fde0a08516ec891a4e7d54 (patch) | |
| tree | fb7416f7a164ef16e0280a56288d2cc79ab696f2 /arch/arm64/kvm/guest.c | |
| parent | KVM: arm/arm64: vgic: make vgic_io_ops static (diff) | |
| download | linux-dev-b19e6892a90e7c9d15fde0a08516ec891a4e7d54.tar.xz linux-dev-b19e6892a90e7c9d15fde0a08516ec891a4e7d54.zip | |
KVM: arm/arm64: Count guest exit due to various reasons
It would add guest exit statistics to debugfs, this can be helpful
while measuring KVM performance.
[ Renamed some of the field names - Christoffer ]
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm64/kvm/guest.c')
| -rw-r--r-- | arch/arm64/kvm/guest.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index d250160d32bc..115522ba2461 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -34,7 +34,16 @@ #include "trace.h" +#define VM_STAT(x) { #x, offsetof(struct kvm, stat.x), KVM_STAT_VM } +#define VCPU_STAT(x) { #x, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU } + struct kvm_stats_debugfs_item debugfs_entries[] = { + VCPU_STAT(hvc_exit_stat), + VCPU_STAT(wfe_exit_stat), + VCPU_STAT(wfi_exit_stat), + VCPU_STAT(mmio_exit_user), + VCPU_STAT(mmio_exit_kernel), + VCPU_STAT(exits), { NULL } }; |