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docs: Adjust formatting for virConnectGetAllDomainStats output
Adjust the spacing a bit in order to generate 'cleaner' looking output. This matches what virDomainMemoryStats does and it creates text/code boxes in order to list each of the stats for each category.
This commit is contained in:
John Ferlan
parent
55bddd5e4e
commit
585ad00b5b
@ -11108,111 +11108,127 @@ virConnectGetDomainCapabilities(virConnectPtr conn,
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* binary-OR of enum virDomainStatsTypes. The following groups are available
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* (although not necessarily implemented for each hypervisor):
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*
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* VIR_DOMAIN_STATS_STATE: Return domain state and reason for entering that
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* state. The typed parameter keys are in this format:
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* "state.state" - state of the VM, returned as int from virDomainState enum
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* "state.reason" - reason for entering given state, returned as int from
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* virDomain*Reason enum corresponding to given state.
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* VIR_DOMAIN_STATS_STATE:
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* Return domain state and reason for entering that state. The typed
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* parameter keys are in this format:
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*
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* VIR_DOMAIN_STATS_CPU_TOTAL: Return CPU statistics and usage information.
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* The typed parameter keys are in this format:
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* "cpu.time" - total cpu time spent for this domain in nanoseconds
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* as unsigned long long.
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* "cpu.user" - user cpu time spent in nanoseconds as unsigned long long.
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* "cpu.system" - system cpu time spent in nanoseconds as unsigned long long.
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* "state.state" - state of the VM, returned as int from virDomainState enum
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* "state.reason" - reason for entering given state, returned as int from
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* virDomain*Reason enum corresponding to given state.
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*
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* VIR_DOMAIN_STATS_BALLOON: Return memory balloon device information.
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* The typed parameter keys are in this format:
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* "balloon.current" - the memory in kiB currently used
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* as unsigned long long.
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* "balloon.maximum" - the maximum memory in kiB allowed
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* as unsigned long long.
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* VIR_DOMAIN_STATS_CPU_TOTAL:
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* Return CPU statistics and usage information. The typed parameter keys
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* are in this format:
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*
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* VIR_DOMAIN_STATS_VCPU: Return virtual CPU statistics.
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* Due to VCPU hotplug, the vcpu.<num>.* array could be sparse.
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* The actual size of the array corresponds to "vcpu.current".
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* The array size will never exceed "vcpu.maximum".
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* The typed parameter keys are in this format:
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* "vcpu.current" - current number of online virtual CPUs as unsigned int.
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* "vcpu.maximum" - maximum number of online virtual CPUs as unsigned int.
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* "vcpu.<num>.state" - state of the virtual CPU <num>, as int
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* from virVcpuState enum.
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* "vcpu.<num>.time" - virtual cpu time spent by virtual CPU <num>
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* as unsigned long long.
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* "cpu.time" - total cpu time spent for this domain in nanoseconds
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* as unsigned long long.
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* "cpu.user" - user cpu time spent in nanoseconds as unsigned long long.
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* "cpu.system" - system cpu time spent in nanoseconds as unsigned long
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* long.
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*
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* VIR_DOMAIN_STATS_INTERFACE: Return network interface statistics.
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* The typed parameter keys are in this format:
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* "net.count" - number of network interfaces on this domain
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* as unsigned int.
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* "net.<num>.name" - name of the interface <num> as string.
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* "net.<num>.rx.bytes" - bytes received as unsigned long long.
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* "net.<num>.rx.pkts" - packets received as unsigned long long.
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* "net.<num>.rx.errs" - receive errors as unsigned long long.
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* "net.<num>.rx.drop" - receive packets dropped as unsigned long long.
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* "net.<num>.tx.bytes" - bytes transmitted as unsigned long long.
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* "net.<num>.tx.pkts" - packets transmitted as unsigned long long.
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* "net.<num>.tx.errs" - transmission errors as unsigned long long.
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* "net.<num>.tx.drop" - transmit packets dropped as unsigned long long.
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* VIR_DOMAIN_STATS_BALLOON:
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* Return memory balloon device information.
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* The typed parameter keys are in this format:
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*
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* VIR_DOMAIN_STATS_BLOCK: Return block devices statistics. By default,
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* this information is limited to the active layer of each <disk> of the
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* domain (where block.count is equal to the number of disks), but adding
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* VIR_CONNECT_GET_ALL_DOMAINS_STATS_BACKING to @flags will expand the
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* array to cover backing chains (block.count corresponds to the number
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* of host resources used together to provide the guest disks).
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* The typed parameter keys are in this format:
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* "block.count" - number of block devices in the subsequent list,
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* as unsigned int.
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* "block.<num>.name" - name of the block device <num> as string.
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* matches the target name (vda/sda/hda) of the
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* block device. If the backing chain is listed,
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* this name is the same for all host resources tied
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* to the same guest device.
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* "block.<num>.backingIndex" - unsigned int giving the <backingStore> index,
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* only used when backing images are listed.
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* "block.<num>.path" - string describing the source of block device <num>,
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* if it is a file or block device (omitted for network
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* sources and drives with no media inserted).
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* "block.<num>.rd.reqs" - number of read requests as unsigned long long.
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* "block.<num>.rd.bytes" - number of read bytes as unsigned long long.
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* "block.<num>.rd.times" - total time (ns) spent on reads as
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* unsigned long long.
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* "block.<num>.wr.reqs" - number of write requests as unsigned long long.
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* "block.<num>.wr.bytes" - number of written bytes as unsigned long long.
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* "block.<num>.wr.times" - total time (ns) spent on writes as
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* unsigned long long.
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* "block.<num>.fl.reqs" - total flush requests as unsigned long long.
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* "block.<num>.fl.times" - total time (ns) spent on cache flushing as
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* unsigned long long.
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* "block.<num>.errors" - Xen only: the 'oo_req' value as
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* unsigned long long.
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* "block.<num>.allocation" - offset of the highest written sector
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* as unsigned long long.
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* "block.<num>.capacity" - logical size in bytes of the block device backing
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* image as unsigned long long.
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* "block.<num>.physical" - physical size in bytes of the container of the
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* backing image as unsigned long long.
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* "balloon.current" - the memory in kiB currently used
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* as unsigned long long.
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* "balloon.maximum" - the maximum memory in kiB allowed
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* as unsigned long long.
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*
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* VIR_DOMAIN_STATS_PERF: Return perf event statistics.
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* The typed parameter keys are in this format:
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* "perf.cmt" - the usage of l3 cache (bytes) by applications running on the
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* platform as unsigned long long. It is produced by cmt perf
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* event.
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* "perf.mbmt" - the total system bandwidth (bytes/s) from one level of cache
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* to another as unsigned long long. It is produced by mbmt perf
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* event.
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* "perf.mbml" - the amount of data (bytes/s) sent through the memory controller
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* on the socket as unsigned long long. It is produced by mbml
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* perf event.
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* "perf.cache_misses" - the count of cache misses as unsigned long long.
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* VIR_DOMAIN_STATS_VCPU:
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* Return virtual CPU statistics.
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* Due to VCPU hotplug, the vcpu.<num>.* array could be sparse.
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* The actual size of the array corresponds to "vcpu.current".
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* The array size will never exceed "vcpu.maximum".
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* The typed parameter keys are in this format:
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*
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* "vcpu.current" - current number of online virtual CPUs as unsigned int.
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* "vcpu.maximum" - maximum number of online virtual CPUs as unsigned int.
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* "vcpu.<num>.state" - state of the virtual CPU <num>, as int
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* from virVcpuState enum.
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* "vcpu.<num>.time" - virtual cpu time spent by virtual CPU <num>
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* as unsigned long long.
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*
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* VIR_DOMAIN_STATS_INTERFACE:
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* Return network interface statistics.
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* The typed parameter keys are in this format:
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*
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* "net.count" - number of network interfaces on this domain
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* as unsigned int.
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* "net.<num>.name" - name of the interface <num> as string.
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* "net.<num>.rx.bytes" - bytes received as unsigned long long.
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* "net.<num>.rx.pkts" - packets received as unsigned long long.
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* "net.<num>.rx.errs" - receive errors as unsigned long long.
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* "net.<num>.rx.drop" - receive packets dropped as unsigned long long.
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* "net.<num>.tx.bytes" - bytes transmitted as unsigned long long.
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* "net.<num>.tx.pkts" - packets transmitted as unsigned long long.
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* "net.<num>.tx.errs" - transmission errors as unsigned long long.
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* "net.<num>.tx.drop" - transmit packets dropped as unsigned long long.
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*
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* VIR_DOMAIN_STATS_BLOCK:
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* Return block devices statistics. By default,
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* this information is limited to the active layer of each <disk> of the
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* domain (where block.count is equal to the number of disks), but adding
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* VIR_CONNECT_GET_ALL_DOMAINS_STATS_BACKING to @flags will expand the
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* array to cover backing chains (block.count corresponds to the number
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* of host resources used together to provide the guest disks).
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* The typed parameter keys are in this format:
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*
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* "block.count" - number of block devices in the subsequent list,
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* as unsigned int.
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* "block.<num>.name" - name of the block device <num> as string.
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* matches the target name (vda/sda/hda) of the
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* block device. If the backing chain is listed,
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* this name is the same for all host resources tied
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* to the same guest device.
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* "block.<num>.backingIndex" - unsigned int giving the <backingStore>
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* index, only used when backing images
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* are listed.
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* "block.<num>.path" - string describing the source of block device <num>,
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* if it is a file or block device (omitted for network
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* sources and drives with no media inserted).
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* "block.<num>.rd.reqs" - number of read requests as unsigned long long.
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* "block.<num>.rd.bytes" - number of read bytes as unsigned long long.
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* "block.<num>.rd.times" - total time (ns) spent on reads as
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* unsigned long long.
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* "block.<num>.wr.reqs" - number of write requests as unsigned long long.
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* "block.<num>.wr.bytes" - number of written bytes as unsigned long long.
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* "block.<num>.wr.times" - total time (ns) spent on writes as
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* unsigned long long.
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* "block.<num>.fl.reqs" - total flush requests as unsigned long long.
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* "block.<num>.fl.times" - total time (ns) spent on cache flushing as
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* unsigned long long.
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* "block.<num>.errors" - Xen only: the 'oo_req' value as
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* unsigned long long.
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* "block.<num>.allocation" - offset of the highest written sector
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* as unsigned long long.
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* "block.<num>.capacity" - logical size in bytes of the block device
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* backing image as unsigned long long.
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* "block.<num>.physical" - physical size in bytes of the container of the
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* backing image as unsigned long long.
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*
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* VIR_DOMAIN_STATS_PERF:
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* Return perf event statistics.
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* The typed parameter keys are in this format:
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*
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* "perf.cmt" - the usage of l3 cache (bytes) by applications running on
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* the platform as unsigned long long. It is produced by cmt
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* perf event.
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* "perf.mbmt" - the total system bandwidth (bytes/s) from one level of
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* cache to another as unsigned long long. It is produced
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* by mbmt perf event.
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* "perf.mbml" - the amount of data (bytes/s) sent through the memory
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* controller on the socket as unsigned long long. It is
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* produced by mbml perf event.
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* "perf.cache_misses" - the count of cache misses as unsigned long long.
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* It is produced by cache_misses perf event.
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* "perf.cache_references" - the count of cache hits as unsigned long long.
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* It is produced by cache_references perf event.
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* "perf.instructions" - The count of instructions as unsigned long long.
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* "perf.cache_references" - the count of cache hits as unsigned long long.
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* It is produced by cache_references perf event.
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* "perf.instructions" - The count of instructions as unsigned long long.
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* It is produced by instructions perf event.
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* "perf.cpu_cycles" - The count of cpu cycles (total/elapsed) as an
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* unsigned long long. It is produced by cpu_cycles
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* perf event.
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* "perf.cpu_cycles" - The count of cpu cycles (total/elapsed) as an
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* unsigned long long. It is produced by cpu_cycles
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* perf event.
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*
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* Note that entire stats groups or individual stat fields may be missing from
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* the output in case they are not supported by the given hypervisor, are not
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