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Commit ce2e4f0b authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
Browse files

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: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 7be81a46

arch/s390/include/asm/kvm_host.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

arch/s390/kvm/interrupt.c

+1 −0
Original line number Diff line number Diff line
@@ -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++;

	}

}

arch/s390/kvm/kvm-s390.c

+1 −0
Original line number Diff line number Diff line
@@ -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) },