[v3,15/29] LoongArch: KVM: Implement vcpu status description

Commit Message

zhaotianrui Feb. 28, 2023, 7 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 <[e-mail]>
---
 arch/loongarch/kvm/vcpu.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Patch

diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c
index 14c89208936f..bf66ac6b4472 100644
--- a/arch/loongarch/kvm/vcpu.c
+++ b/arch/loongarch/kvm/vcpu.c
@@ -13,6 +13,23 @@ 
 #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);