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From: Tianrui Zhao <zhaotianrui@loongson.cn>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
loongarch@lists.linux.dev, Jens Axboe <axboe@kernel.dk>,
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Oliver Upton <oliver.upton@linux.dev>, maobibo@loongson.cn,
Xi Ruoyao <xry111@xry111.site>, zhaotianrui@loongson.cn
Subject: [PATCH v11 15/31] LoongArch: KVM: Implement vcpu status description
Date: Mon, 22 May 2023 11:12:01 +0800
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| Series |
Add KVM LoongArch support
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Commit Message
zhaotianrui
May 22, 2023, 3:12 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(+)
diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c index a48f4b17ddc5..28319500c091 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) &&