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kvm: add support for boolean statistics
The next version of Linux will introduce boolean statistics, which can only have 0 or 1 values. Convert them to the new QAPI fields added in the previous commit. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -3743,6 +3743,7 @@ static StatsList *add_kvmstat_entry(struct kvm_stats_desc *pdesc,
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case KVM_STATS_UNIT_BYTES:
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case KVM_STATS_UNIT_CYCLES:
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case KVM_STATS_UNIT_SECONDS:
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case KVM_STATS_UNIT_BOOLEAN:
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break;
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default:
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return stats_list;
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@ -3761,7 +3762,10 @@ static StatsList *add_kvmstat_entry(struct kvm_stats_desc *pdesc,
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stats->name = g_strdup(pdesc->name);
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stats->value = g_new0(StatsValue, 1);;
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if (pdesc->size == 1) {
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if ((pdesc->flags & KVM_STATS_UNIT_MASK) == KVM_STATS_UNIT_BOOLEAN) {
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stats->value->u.boolean = *stats_data;
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stats->value->type = QTYPE_QBOOL;
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} else if (pdesc->size == 1) {
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stats->value->u.scalar = *stats_data;
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stats->value->type = QTYPE_QNUM;
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} else {
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@ -3809,6 +3813,10 @@ static StatsSchemaValueList *add_kvmschema_entry(struct kvm_stats_desc *pdesc,
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switch (pdesc->flags & KVM_STATS_UNIT_MASK) {
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case KVM_STATS_UNIT_NONE:
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break;
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case KVM_STATS_UNIT_BOOLEAN:
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schema_entry->value->has_unit = true;
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schema_entry->value->unit = STATS_UNIT_BOOLEAN;
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break;
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case KVM_STATS_UNIT_BYTES:
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schema_entry->value->has_unit = true;
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schema_entry->value->unit = STATS_UNIT_BYTES;
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@ -2031,6 +2031,7 @@ struct kvm_stats_header {
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#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
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#define KVM_STATS_BASE_SHIFT 8
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