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authorJisheng Zhang2022-10-02 10:19:16 +0530
committerAnup Patel2022-10-02 10:19:16 +0530
commit54ce3f7ff3395f12ad142d46b628606ab1e926ef (patch)
treeac64ae1d15a488f0e8771ceb11a748e458130ab1 /arch/riscv/kvm
parentf493cdc92d9b9e9a0db0a9049609457e43a56066 (diff)
RISC-V: KVM: Record number of signal exits as a vCPU stat
Record a statistic indicating the number of times a vCPU has exited due to a pending signal. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Reviewed-by: Guo Ren <guoren@kernel.org> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org
Diffstat (limited to 'arch/riscv/kvm')
-rw-r--r--arch/riscv/kvm/vcpu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c
index f55d15a8a410..5414bf56bce5 100644
--- a/arch/riscv/kvm/vcpu.c
+++ b/arch/riscv/kvm/vcpu.c
@@ -29,6 +29,7 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = {
STATS_DESC_COUNTER(VCPU, mmio_exit_kernel),
STATS_DESC_COUNTER(VCPU, csr_exit_user),
STATS_DESC_COUNTER(VCPU, csr_exit_kernel),
+ STATS_DESC_COUNTER(VCPU, signal_exits),
STATS_DESC_COUNTER(VCPU, exits)
};
@@ -993,6 +994,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
if (signal_pending(current)) {
ret = -EINTR;
run->exit_reason = KVM_EXIT_INTR;
+ ++vcpu->stat.signal_exits;
}
/*