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Commit f11c3a8d authored by Amit Shah's avatar Amit Shah Committed by Avi Kivity
Browse files

KVM: Add stat counter for hypercalls 



Signed-off-by: default avatarAmit Shah <amit.shah@qumranet.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent a5f61300

arch/x86/kvm/x86.c

+2 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { 
	{ "irq_window", VCPU_STAT(irq_window_exits) },

	{ "halt_exits", VCPU_STAT(halt_exits) },

	{ "halt_wakeup", VCPU_STAT(halt_wakeup) },

	{ "hypercalls", VCPU_STAT(hypercalls) },

	{ "request_irq", VCPU_STAT(request_irq_exits) },

	{ "irq_exits", VCPU_STAT(irq_exits) },

	{ "host_state_reload", VCPU_STAT(host_state_reload) },
@@ -2405,6 +2406,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) 
	}

	vcpu->arch.regs[VCPU_REGS_RAX] = ret;

	kvm_x86_ops->decache_regs(vcpu);

	++vcpu->stat.hypercalls;

	return 0;

}

EXPORT_SYMBOL_GPL(kvm_emulate_hypercall);

include/asm-x86/kvm_host.h

+1 −0
Original line number Diff line number Diff line
@@ -328,6 +328,7 @@ struct kvm_vcpu_stat { 
	u32 fpu_reload;

	u32 insn_emulation;

	u32 insn_emulation_fail;

	u32 hypercalls;

};



struct descriptor_table {