From: David Hildenbrand Date: Fri, 23 May 2014 10:25:11 +0000 (+0200) Subject: KVM: s390: sigp: instruction counters for all sigp orders X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=42cb0c9ff92eba2168d1b8f69d6e62d2af608a13;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git KVM: s390: sigp: instruction counters for all sigp orders This patch introduces instruction counters for all known sigp orders and also a separate one for unknown orders that are passed to user space. Signed-off-by: David Hildenbrand Reviewed-by: Cornelia Huck Signed-off-by: Christian Borntraeger --- diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 584b820eeaf8..7e02d77f8ecc 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -226,10 +226,17 @@ struct kvm_vcpu_stat { u32 instruction_sigp_sense_running; u32 instruction_sigp_external_call; u32 instruction_sigp_emergency; + u32 instruction_sigp_cond_emergency; + u32 instruction_sigp_start; u32 instruction_sigp_stop; + u32 instruction_sigp_stop_store_status; + u32 instruction_sigp_store_status; u32 instruction_sigp_arch; u32 instruction_sigp_prefix; u32 instruction_sigp_restart; + u32 instruction_sigp_init_cpu_reset; + u32 instruction_sigp_cpu_reset; + u32 instruction_sigp_unknown; u32 diagnose_10; u32 diagnose_44; u32 diagnose_9c; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 3e83d4b357b9..06878bdf0c6b 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -81,10 +81,17 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) }, { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) }, { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) }, + { "instruction_sigp_cond_emergency", VCPU_STAT(instruction_sigp_cond_emergency) }, + { "instruction_sigp_start", VCPU_STAT(instruction_sigp_start) }, { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) }, + { "instruction_sigp_stop_store_status", VCPU_STAT(instruction_sigp_stop_store_status) }, + { "instruction_sigp_store_status", VCPU_STAT(instruction_sigp_store_status) }, { "instruction_sigp_set_arch", VCPU_STAT(instruction_sigp_arch) }, { "instruction_sigp_set_prefix", VCPU_STAT(instruction_sigp_prefix) }, { "instruction_sigp_restart", VCPU_STAT(instruction_sigp_restart) }, + { "instruction_sigp_cpu_reset", VCPU_STAT(instruction_sigp_cpu_reset) }, + { "instruction_sigp_init_cpu_reset", VCPU_STAT(instruction_sigp_init_cpu_reset) }, + { "instruction_sigp_unknown", VCPU_STAT(instruction_sigp_unknown) }, { "diagnose_10", VCPU_STAT(diagnose_10) }, { "diagnose_44", VCPU_STAT(diagnose_44) }, { "diagnose_9c", VCPU_STAT(diagnose_9c) }, diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index a9e17397305e..9ee63e4d8a24 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -344,11 +344,12 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code, rc = __sigp_stop(vcpu, dst_vcpu, ACTION_STOP_ON_STOP); break; case SIGP_STOP_AND_STORE_STATUS: - vcpu->stat.instruction_sigp_stop++; + vcpu->stat.instruction_sigp_stop_store_status++; rc = __sigp_stop(vcpu, dst_vcpu, ACTION_STORE_ON_STOP | ACTION_STOP_ON_STOP); break; case SIGP_STORE_STATUS_AT_ADDRESS: + vcpu->stat.instruction_sigp_store_status++; rc = __sigp_store_status_at_addr(vcpu, dst_vcpu, parameter, status_reg); break; @@ -357,6 +358,7 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code, rc = __sigp_set_prefix(vcpu, dst_vcpu, parameter, status_reg); break; case SIGP_COND_EMERGENCY_SIGNAL: + vcpu->stat.instruction_sigp_cond_emergency++; rc = __sigp_conditional_emergency(vcpu, dst_vcpu, parameter, status_reg); break; @@ -365,6 +367,7 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code, rc = __sigp_sense_running(vcpu, dst_vcpu, status_reg); break; case SIGP_START: + vcpu->stat.instruction_sigp_start++; rc = __prepare_sigp_re_start(vcpu, dst_vcpu, order_code); break; case SIGP_RESTART: @@ -372,12 +375,15 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code, rc = __prepare_sigp_re_start(vcpu, dst_vcpu, order_code); break; case SIGP_INITIAL_CPU_RESET: + vcpu->stat.instruction_sigp_init_cpu_reset++; rc = __prepare_sigp_cpu_reset(vcpu, dst_vcpu, order_code); break; case SIGP_CPU_RESET: + vcpu->stat.instruction_sigp_cpu_reset++; rc = __prepare_sigp_cpu_reset(vcpu, dst_vcpu, order_code); break; default: + vcpu->stat.instruction_sigp_unknown++; rc = __prepare_sigp_unknown(vcpu, dst_vcpu); }