iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: s390: Add new SIGP order to kernel counters

Browse Source 
The new SIGP order Store Additional Status at Address is totally
handled by user space, but we should still record the occurrence
of this order in the kernel code.

Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Eric Farman 2015-02-12 09:06:34 -05:00 committed by Christian Borntraeger
parent 403c8648cb
commit cd7b4b6106
3 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/s390/include/asm/kvm_host.h
View File

@ -244,6 +244,7 @@ struct kvm_vcpu_stat {
u32 instruction_sigp_stop;
u32 instruction_sigp_stop_store_status;
u32 instruction_sigp_store_status;
u32 instruction_sigp_store_adtl_status;
u32 instruction_sigp_arch;
u32 instruction_sigp_prefix;
u32 instruction_sigp_restart;

1
arch/s390/kvm/kvm-s390.c
View File

@ -87,6 +87,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
{ "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_store_adtl_status", VCPU_STAT(instruction_sigp_store_adtl_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) },

3
arch/s390/kvm/sigp.c
View File

@ -393,6 +393,9 @@ static int handle_sigp_order_in_user_space(struct kvm_vcpu *vcpu, u8 order_code)
case SIGP_STORE_STATUS_AT_ADDRESS:
vcpu->stat.instruction_sigp_store_status++;
break;
case SIGP_STORE_ADDITIONAL_STATUS:
vcpu->stat.instruction_sigp_store_adtl_status++;
break;
case SIGP_SET_PREFIX:
vcpu->stat.instruction_sigp_prefix++;
break;