KVM: arm/arm64: Show halt poll counters in debugfs

ARM/ARM64 has counters halt_successful_poll, halt_attempted_poll,
halt_poll_invalid, and halt_wakeup but never exposed those in debugfs.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1572164390-5851-1-git-send-email-borntraeger@de.ibm.com

diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c
index 684cf64..6696464 100644 (file)
--- a/arch/arm/kvm/guest.c
+++ b/arch/arm/kvm/guest.c
@@ -21,6 +21,10 @@
 #define VCPU_STAT(x) { #x, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU }
 
 struct kvm_stats_debugfs_item debugfs_entries[] = {
+       VCPU_STAT(halt_successful_poll),
+       VCPU_STAT(halt_attempted_poll),
+       VCPU_STAT(halt_poll_invalid),
+       VCPU_STAT(halt_wakeup),
        VCPU_STAT(hvc_exit_stat),
        VCPU_STAT(wfe_exit_stat),
        VCPU_STAT(wfi_exit_stat),

diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index dfd6264..260ea31 100644 (file)
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -34,6 +34,10 @@
 #define VCPU_STAT(x) { #x, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU }
 
 struct kvm_stats_debugfs_item debugfs_entries[] = {
+       VCPU_STAT(halt_successful_poll),
+       VCPU_STAT(halt_attempted_poll),
+       VCPU_STAT(halt_poll_invalid),
+       VCPU_STAT(halt_wakeup),
        VCPU_STAT(hvc_exit_stat),
        VCPU_STAT(wfe_exit_stat),
        VCPU_STAT(wfi_exit_stat),