From 9ec6de19235889ab0118e970ee732cb33c9efc06 Mon Sep 17 00:00:00 2001 From: Alexander Yarygin Date: Fri, 6 May 2016 16:33:06 +0300 Subject: [PATCH] KVM: s390: Add stats for PEI events Add partial execution intercepted events in kvm_stats_debugfs. Signed-off-by: Alexander Yarygin Acked-by: Cornelia Huck Reviewed-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/kvm_host.h | 1 + arch/s390/kvm/intercept.c | 2 ++ arch/s390/kvm/kvm-s390.c | 1 + 3 files changed, 4 insertions(+) diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 37b9017c6a96..ac82e8eb936d 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -245,6 +245,7 @@ struct kvm_vcpu_stat { u32 exit_stop_request; u32 exit_validity; u32 exit_instruction; + u32 exit_pei; u32 halt_successful_poll; u32 halt_attempted_poll; u32 halt_poll_invalid; diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index 2e6b54e4d3f9..252157181302 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -341,6 +341,8 @@ static int handle_mvpg_pei(struct kvm_vcpu *vcpu) static int handle_partial_execution(struct kvm_vcpu *vcpu) { + vcpu->stat.exit_pei++; + if (vcpu->arch.sie_block->ipa == 0xb254) /* MVPG */ return handle_mvpg_pei(vcpu); if (vcpu->arch.sie_block->ipa >> 8 == 0xae) /* SIGP */ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index c9ae53924a69..43f2a2b80490 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -61,6 +61,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "exit_external_request", VCPU_STAT(exit_external_request) }, { "exit_external_interrupt", VCPU_STAT(exit_external_interrupt) }, { "exit_instruction", VCPU_STAT(exit_instruction) }, + { "exit_pei", VCPU_STAT(exit_pei) }, { "exit_program_interruption", VCPU_STAT(exit_program_interruption) }, { "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) }, { "halt_successful_poll", VCPU_STAT(halt_successful_poll) },