Commit f95937cc authored by Jing Zhang's avatar Jing Zhang Committed by Paolo Bonzini
Browse files

KVM: stats: Support linear and logarithmic histogram statistics 



Add new types of KVM stats, linear and logarithmic histogram.
Histogram are very useful for observing the value distribution
of time or size related stats.

Signed-off-by: default avatarJing Zhang <jingzhangos@google.com>
Message-Id: <20210802165633.1866976-2-jingzhangos@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 73143035

arch/arm64/kvm/guest.c

+0 −4
Original line number Diff line number Diff line
@@ -31,8 +31,6 @@ 
const struct _kvm_stats_desc kvm_vm_stats_desc[] = {

	KVM_GENERIC_VM_STATS()

};

static_assert(ARRAY_SIZE(kvm_vm_stats_desc) ==

		sizeof(struct kvm_vm_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vm_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,
@@ -52,8 +50,6 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { 
	STATS_DESC_COUNTER(VCPU, mmio_exit_kernel),

	STATS_DESC_COUNTER(VCPU, exits)

};

static_assert(ARRAY_SIZE(kvm_vcpu_stats_desc) ==

		sizeof(struct kvm_vcpu_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vcpu_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,

arch/mips/kvm/mips.c

+0 −4
Original line number Diff line number Diff line
@@ -41,8 +41,6 @@ 
const struct _kvm_stats_desc kvm_vm_stats_desc[] = {

	KVM_GENERIC_VM_STATS()

};

static_assert(ARRAY_SIZE(kvm_vm_stats_desc) ==

		sizeof(struct kvm_vm_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vm_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,
@@ -85,8 +83,6 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { 
	STATS_DESC_COUNTER(VCPU, vz_cpucfg_exits),

#endif

};

static_assert(ARRAY_SIZE(kvm_vcpu_stats_desc) ==

		sizeof(struct kvm_vcpu_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vcpu_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,

arch/powerpc/kvm/book3s.c

+0 −4
Original line number Diff line number Diff line
@@ -43,8 +43,6 @@ const struct _kvm_stats_desc kvm_vm_stats_desc[] = { 
	STATS_DESC_ICOUNTER(VM, num_2M_pages),

	STATS_DESC_ICOUNTER(VM, num_1G_pages)

};

static_assert(ARRAY_SIZE(kvm_vm_stats_desc) ==

		sizeof(struct kvm_vm_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vm_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,
@@ -88,8 +86,6 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { 
	STATS_DESC_COUNTER(VCPU, pthru_host),

	STATS_DESC_COUNTER(VCPU, pthru_bad_aff)

};

static_assert(ARRAY_SIZE(kvm_vcpu_stats_desc) ==

		sizeof(struct kvm_vcpu_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vcpu_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,

arch/powerpc/kvm/booke.c

+0 −4
Original line number Diff line number Diff line
@@ -41,8 +41,6 @@ const struct _kvm_stats_desc kvm_vm_stats_desc[] = { 
	STATS_DESC_ICOUNTER(VM, num_2M_pages),

	STATS_DESC_ICOUNTER(VM, num_1G_pages)

};

static_assert(ARRAY_SIZE(kvm_vm_stats_desc) ==

		sizeof(struct kvm_vm_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vm_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,
@@ -79,8 +77,6 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { 
	STATS_DESC_COUNTER(VCPU, pthru_host),

	STATS_DESC_COUNTER(VCPU, pthru_bad_aff)

};

static_assert(ARRAY_SIZE(kvm_vcpu_stats_desc) ==

		sizeof(struct kvm_vcpu_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vcpu_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,

arch/s390/kvm/kvm-s390.c

+0 −4
Original line number Diff line number Diff line
@@ -66,8 +66,6 @@ const struct _kvm_stats_desc kvm_vm_stats_desc[] = { 
	STATS_DESC_COUNTER(VM, inject_service_signal),

	STATS_DESC_COUNTER(VM, inject_virtio)

};

static_assert(ARRAY_SIZE(kvm_vm_stats_desc) ==

		sizeof(struct kvm_vm_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vm_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,
@@ -174,8 +172,6 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { 
	STATS_DESC_COUNTER(VCPU, instruction_diagnose_other),

	STATS_DESC_COUNTER(VCPU, pfault_sync)

};

static_assert(ARRAY_SIZE(kvm_vcpu_stats_desc) ==

		sizeof(struct kvm_vcpu_stat) / sizeof(u64));



const struct kvm_stats_header kvm_vcpu_stats_header = {

	.name_size = KVM_STATS_NAME_SIZE,