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KVM: stats: Add halt_wait_ns stats for all architectures

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Add simple stats halt_wait_ns to record the time a VCPU has spent on
waiting for all architectures (not just powerpc).

Signed-off-by: Jing Zhang <jingzhangos@google.com>
Message-Id: <20210802165633.1866976-5-jingzhangos@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jing Zhang 2021-08-02 16:56:32 +00:00 • committed by Paolo Bonzini
parent d49b11f080
commit 87bcc5fa09
7 changed files with 8 additions and 5 deletions
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3
include/linux/kvm_host.h
View file

@ -1452,7 +1452,8 @@ struct _kvm_stats_desc {
STATS_DESC_COUNTER(VCPU_GENERIC, halt_poll_invalid), \
STATS_DESC_COUNTER(VCPU_GENERIC, halt_wakeup), \
STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_poll_success_ns), \
STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_poll_fail_ns)
STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_poll_fail_ns), \
STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_wait_ns)
extern struct dentry *kvm_debugfs_dir;

1
include/linux/kvm_types.h
View file

@ -87,6 +87,7 @@ struct kvm_vcpu_stat_generic {
u64 halt_wakeup;
u64 halt_poll_success_ns;
u64 halt_poll_fail_ns;
u64 halt_wait_ns;
};
#define KVM_STATS_NAME_SIZE 48