From ce2e4f0b75a567d25375b52476662c724304e476 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Fri, 11 Jul 2014 10:00:43 +0200 Subject: KVM: s390: count vcpu wakeups in stat.halt_wakeup This patch introduces the halt_wakeup counter used by common code and uses it to count vcpu wakeups done in s390 arch specific code. Acked-by: Cornelia Huck Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/kvm_host.h | 1 + arch/s390/kvm/interrupt.c | 1 + arch/s390/kvm/kvm-s390.c | 1 + 3 files changed, 3 insertions(+) (limited to 'arch/s390') diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 1a6f6fd8bd34..2175f911a73a 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -192,6 +192,7 @@ struct kvm_vcpu_stat { u32 exit_stop_request; u32 exit_validity; u32 exit_instruction; + u32 halt_wakeup; u32 instruction_lctl; u32 instruction_lctlg; u32 instruction_stctl; diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 4cad00adef93..a39838457f01 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -626,6 +626,7 @@ void kvm_s390_vcpu_wakeup(struct kvm_vcpu *vcpu) */ vcpu->preempted = true; wake_up_interruptible(&vcpu->wq); + vcpu->stat.halt_wakeup++; } } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 0d5aa88e238b..55aade49b6d1 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -50,6 +50,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "exit_instruction", VCPU_STAT(exit_instruction) }, { "exit_program_interruption", VCPU_STAT(exit_program_interruption) }, { "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) }, + { "halt_wakeup", VCPU_STAT(halt_wakeup) }, { "instruction_lctlg", VCPU_STAT(instruction_lctlg) }, { "instruction_lctl", VCPU_STAT(instruction_lctl) }, { "instruction_stctl", VCPU_STAT(instruction_stctl) }, -- cgit v1.2.3