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

From: bibo, mao
Date: Mon Jun 05 2023 - 09:05:19 EST


Reviewed-by: Bibo, Mao <maobibo@xxxxxxxxxxx>

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@xxxxxxxxxxx>
> ---
> 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) &&