From b19e6892a90e7c9d15fde0a08516ec891a4e7d54 Mon Sep 17 00:00:00 2001 From: Amit Tomar Date: Thu, 26 Nov 2015 10:09:43 +0000 Subject: 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 Signed-off-by: Christoffer Dall --- arch/arm64/kvm/handle_exit.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm64/kvm/handle_exit.c') diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index 15f0477b0d2a..8bddae140461 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -39,6 +39,7 @@ static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run) trace_kvm_hvc_arm64(*vcpu_pc(vcpu), vcpu_get_reg(vcpu, 0), kvm_vcpu_hvc_get_imm(vcpu)); + vcpu->stat.hvc_exit_stat++; ret = kvm_psci_call(vcpu); if (ret < 0) { @@ -71,9 +72,11 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run) { if (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WFx_ISS_WFE) { trace_kvm_wfx_arm64(*vcpu_pc(vcpu), true); + vcpu->stat.wfe_exit_stat++; kvm_vcpu_on_spin(vcpu); } else { trace_kvm_wfx_arm64(*vcpu_pc(vcpu), false); + vcpu->stat.wfi_exit_stat++; kvm_vcpu_block(vcpu); } -- cgit v1.2.1