[v12,15/31] LoongArch: KVM: Implement vcpu status description

Message ID 20230530015223.147755-16-zhaotianrui@loongson.cn
State New
Headers
Series Add KVM LoongArch support |

Commit Message

zhaotianrui May 30, 2023, 1:52 a.m. UTC
  Implement LoongArch vcpu status description such as idle exits counter,
signal exits counter, cpucfg exits counter, etc.

Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
---
 arch/loongarch/kvm/vcpu.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
  

Comments

maobibo June 5, 2023, 1:04 p.m. UTC | #1
Reviewed-by: Bibo, Mao <maobibo@loongson.cn>

在 2023/5/30 09:52, Tianrui Zhao 写道:
> Implement LoongArch vcpu status description such as idle exits counter,
> signal exits counter, cpucfg exits counter, etc.
> 
> Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
> ---
>  arch/loongarch/kvm/vcpu.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c
> index c41de76d0a79..79599e69b2c9 100644
> --- a/arch/loongarch/kvm/vcpu.c
> +++ b/arch/loongarch/kvm/vcpu.c
> @@ -12,6 +12,23 @@
>  #define CREATE_TRACE_POINTS
>  #include "trace.h"
>  
> +const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = {
> +	KVM_GENERIC_VCPU_STATS(),
> +	STATS_DESC_COUNTER(VCPU, idle_exits),
> +	STATS_DESC_COUNTER(VCPU, signal_exits),
> +	STATS_DESC_COUNTER(VCPU, int_exits),
> +	STATS_DESC_COUNTER(VCPU, cpucfg_exits),
> +};
> +
> +const struct kvm_stats_header kvm_vcpu_stats_header = {
> +	.name_size = KVM_STATS_NAME_SIZE,
> +	.num_desc = ARRAY_SIZE(kvm_vcpu_stats_desc),
> +	.id_offset = sizeof(struct kvm_stats_header),
> +	.desc_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE,
> +	.data_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE +
> +		       sizeof(kvm_vcpu_stats_desc),
> +};
> +
>  int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
>  {
>  	return !!(vcpu->arch.irq_pending) &&
  

Patch

diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c
index c41de76d0a79..79599e69b2c9 100644
--- a/arch/loongarch/kvm/vcpu.c
+++ b/arch/loongarch/kvm/vcpu.c
@@ -12,6 +12,23 @@ 
 #define CREATE_TRACE_POINTS
 #include "trace.h"
 
+const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = {
+	KVM_GENERIC_VCPU_STATS(),
+	STATS_DESC_COUNTER(VCPU, idle_exits),
+	STATS_DESC_COUNTER(VCPU, signal_exits),
+	STATS_DESC_COUNTER(VCPU, int_exits),
+	STATS_DESC_COUNTER(VCPU, cpucfg_exits),
+};
+
+const struct kvm_stats_header kvm_vcpu_stats_header = {
+	.name_size = KVM_STATS_NAME_SIZE,
+	.num_desc = ARRAY_SIZE(kvm_vcpu_stats_desc),
+	.id_offset = sizeof(struct kvm_stats_header),
+	.desc_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE,
+	.data_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE +
+		       sizeof(kvm_vcpu_stats_desc),
+};
+
 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
 {
 	return !!(vcpu->arch.irq_pending) &&