From f11c3a8d84d7bf091bf963edd7104dd4ba6416c3 Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Thu, 21 Feb 2008 01:00:30 +0530 Subject: [PATCH] KVM: Add stat counter for hypercalls Signed-off-by: Amit Shah Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 2 ++ include/asm-x86/kvm_host.h | 1 + 2 files changed, 3 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a063f44..15bba5d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -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); diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 90c80fd..935ffa4 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -328,6 +328,7 @@ struct kvm_vcpu_stat { u32 fpu_reload; u32 insn_emulation; u32 insn_emulation_fail; + u32 hypercalls; }; struct descriptor_table { -- 2.7.4