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authorOliver Upton <oupton@google.com>2021-08-02 19:28:07 +0000
committerMarc Zyngier <maz@kernel.org>2021-08-19 11:19:41 +0100
commitfe5161d2c39b8c2801f0e786631460c6e8a1cae4 (patch)
treec119bf6993ab80db21ca5eb0172d1210ddd2f3d0 /arch/arm64/kvm/guest.c
parentc500bee1c5b2f1d59b1081ac879d73268ab0ff17 (diff)
KVM: arm64: Record number of signal exits as a vCPU stat
Most other architectures that implement KVM record a statistic indicating the number of times a vCPU has exited due to a pending signal. Add support for that stat to arm64. Reviewed-by: Jing Zhang <jingzhangos@google.com> Signed-off-by: Oliver Upton <oupton@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210802192809.1851010-2-oupton@google.com
Diffstat (limited to 'arch/arm64/kvm/guest.c')
-rw-r--r--arch/arm64/kvm/guest.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index 1dfb83578277..853d1e8d2e73 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -50,6 +50,7 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = {
STATS_DESC_COUNTER(VCPU, wfi_exit_stat),
STATS_DESC_COUNTER(VCPU, mmio_exit_user),
STATS_DESC_COUNTER(VCPU, mmio_exit_kernel),
+ STATS_DESC_COUNTER(VCPU, signal_exits),
STATS_DESC_COUNTER(VCPU, exits)
};
static_assert(ARRAY_SIZE(kvm_vcpu_stats_desc) ==