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authorAmit Tomar <amittomer25@gmail.com>2015-11-26 11:09:43 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2015-12-14 12:30:00 +0100
commitb19e6892a90e7c9d15fde0a08516ec891a4e7d54 (patch)
treefb7416f7a164ef16e0280a56288d2cc79ab696f2 /arch/arm/kvm/guest.c
parentKVM: arm/arm64: vgic: make vgic_io_ops static (diff)
downloadlinux-b19e6892a90e7c9d15fde0a08516ec891a4e7d54.tar.xz
linux-b19e6892a90e7c9d15fde0a08516ec891a4e7d54.zip
KVM: arm/arm64: Count guest exit due to various reasons
It would add guest exit statistics to debugfs, this can be helpful while measuring KVM performance. [ Renamed some of the field names - Christoffer ] Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm/kvm/guest.c')
-rw-r--r--arch/arm/kvm/guest.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c
index 96e935bbc38c..5fa69d7bae58 100644
--- a/arch/arm/kvm/guest.c
+++ b/arch/arm/kvm/guest.c
@@ -33,6 +33,12 @@
#define VCPU_STAT(x) { #x, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU }
struct kvm_stats_debugfs_item debugfs_entries[] = {
+ VCPU_STAT(hvc_exit_stat),
+ VCPU_STAT(wfe_exit_stat),
+ VCPU_STAT(wfi_exit_stat),
+ VCPU_STAT(mmio_exit_user),
+ VCPU_STAT(mmio_exit_kernel),
+ VCPU_STAT(exits),
{ NULL }
};