- not all of the following statistics may be returned.
When selecting the I<--state> group the following fields are returned:
-"state.state" - state of the VM, returned as number from virDomainState enum,
-"state.reason" - reason for entering given state, returned as int from
-virDomain*Reason enum corresponding to given state.
+
+ "state.state" - state of the VM, returned as number from
+ virDomainState enum
+ "state.reason" - reason for entering given state, returned
+ as int from virDomain*Reason enum corresponding
+ to given state
I<--cpu-total> returns:
-"cpu.time" - total cpu time spent for this domain in nanoseconds,
-"cpu.user" - user cpu time spent in nanoseconds,
-"cpu.system" - system cpu time spent in nanoseconds
+
+ "cpu.time" - total cpu time spent for this domain in nanoseconds
+ "cpu.user" - user cpu time spent in nanoseconds
+ "cpu.system" - system cpu time spent in nanoseconds
I<--balloon> returns:
-"balloon.current" - the memory in kiB currently used,
-"balloon.maximum" - the maximum memory in kiB allowed,
-"balloon.swap_in" - the amount of data read from swap space (in kB),
-"balloon.swap_out" - the amount of memory written out to swap space (in kB),
-"balloon.major_fault" - the number of page faults then disk IO was required,
-"balloon.minor_fault" - the number of other page faults,
-"balloon.unused" - the amount of memory left unused by the system (in kB),
-"balloon.available" - the amount of usable memory as seen by the domain (in kB),
-"balloon.rss" - Resident Set Size of running domain's process (in kB),
-"balloon.usable" - the amount of memory which can be reclaimed by balloon
-without causing host swapping (in KB),
-"balloon.last-update" - timestamp of the last update of statistics (in seconds)
+
+ "balloon.current" - the memory in kiB currently used
+ "balloon.maximum" - the maximum memory in kiB allowed
+ "balloon.swap_in" - the amount of data read from swap space (in kB)
+ "balloon.swap_out" - the amount of memory written out to swap
+ space (in kB)
+ "balloon.major_fault" - the number of page faults then disk IO
+ was required
+ "balloon.minor_fault" - the number of other page faults
+ "balloon.unused" - the amount of memory left unused by the
+ system (in kB)
+ "balloon.available" - the amount of usable memory as seen by
+ the domain (in kB)
+ "balloon.rss" - Resident Set Size of running domain's process
+ (in kB)
+ "balloon.usable" - the amount of memory which can be reclaimed by
+ balloon without causing host swapping (in KB)
+ "balloon.last-update" - timestamp of the last update of statistics
+ (in seconds)
I<--vcpu> returns:
-"vcpu.current" - current number of online virtual CPUs,
-"vcpu.maximum" - maximum number of online virtual CPUs,
-"vcpu.<num>.state" - state of the virtual CPU <num>, as number
-from virVcpuState enum,
-"vcpu.<num>.time" - virtual cpu time spent by virtual CPU <num>
- (in microseconds),
-"vcpu.<num>.wait" - virtual cpu time spent by virtual CPU <num>
-waiting on I/O (in microseconds),
-"vcpu.<num>.halted" - virtual CPU <num> is halted: yes or no (may indicate
-the processor is idle or even disabled, depending on the architecture)
+
+ "vcpu.current" - current number of online virtual CPUs
+ "vcpu.maximum" - maximum number of online virtual CPUs
+ "vcpu.<num>.state" - state of the virtual CPU <num>, as
+ number from virVcpuState enum
+ "vcpu.<num>.time" - virtual cpu time spent by virtual
+ CPU <num> (in microseconds)
+ "vcpu.<num>.wait" - virtual cpu time spent by virtual
+ CPU <num> waiting on I/O (in microseconds)
+ "vcpu.<num>.halted" - virtual CPU <num> is halted: yes or
+ no (may indicate the processor is idle
+ or even disabled, depending on the
+ architecture)
I<--interface> returns:
-"net.count" - number of network interfaces on this domain,
-"net.<num>.name" - name of the interface <num>,
-"net.<num>.rx.bytes" - number of bytes received,
-"net.<num>.rx.pkts" - number of packets received,
-"net.<num>.rx.errs" - number of receive errors,
-"net.<num>.rx.drop" - number of receive packets dropped,
-"net.<num>.tx.bytes" - number of bytes transmitted,
-"net.<num>.tx.pkts" - number of packets transmitted,
-"net.<num>.tx.errs" - number of transmission errors,
-"net.<num>.tx.drop" - number of transmit packets dropped
+
+ "net.count" - number of network interfaces on this domain
+ "net.<num>.name" - name of the interface <num>
+ "net.<num>.rx.bytes" - number of bytes received
+ "net.<num>.rx.pkts" - number of packets received
+ "net.<num>.rx.errs" - number of receive errors
+ "net.<num>.rx.drop" - number of receive packets dropped
+ "net.<num>.tx.bytes" - number of bytes transmitted
+ "net.<num>.tx.pkts" - number of packets transmitted
+ "net.<num>.tx.errs" - number of transmission errors
+ "net.<num>.tx.drop" - number of transmit packets dropped
I<--perf> returns the statistics of all enabled perf events:
-"perf.cmt" - the cache usage in Byte currently used,
-"perf.mbmt" - total system bandwidth from one level of cache,
-"perf.mbml" - bandwidth of memory traffic for a memory controller,
-"perf.cpu_cycles" - the count of cpu cycles (total/elapsed),
-"perf.instructions" - the count of instructions,
-"perf.cache_references" - the count of cache hits,
-"perf.cache_misses" - the count of caches misses,
-"perf.branch_instructions" - the count of branch instructions,
-"perf.branch_misses" - the count of branch misses,
-"perf.bus_cycles" - the count of bus cycles,
-"perf.stalled_cycles_frontend" - the count of stalled frontend cpu cycles,
-"perf.stalled_cycles_backend" - the count of stalled backend cpu cycles,
-"perf.ref_cpu_cycles" - the count of ref cpu cycles
+
+ "perf.cmt" - the cache usage in Byte currently used
+ "perf.mbmt" - total system bandwidth from one level of cache
+ "perf.mbml" - bandwidth of memory traffic for a memory controller
+ "perf.cpu_cycles" - the count of cpu cycles (total/elapsed)
+ "perf.instructions" - the count of instructions
+ "perf.cache_references" - the count of cache hits
+ "perf.cache_misses" - the count of caches misses
+ "perf.branch_instructions" - the count of branch instructions
+ "perf.branch_misses" - the count of branch misses
+ "perf.bus_cycles" - the count of bus cycles
+ "perf.stalled_cycles_frontend" - the count of stalled frontend
+ cpu cycles
+ "perf.stalled_cycles_backend" - the count of stalled backend
+ cpu cycles
+ "perf.ref_cpu_cycles" - the count of ref cpu cycles
See the B<perf> command for more details about each event.
cover all resources in the backing chain, rather than the default
of limiting information to the active layer for each guest disk.
Information listed includes:
-"block.count" - number of block devices being listed,
-"block.<num>.name" - name of the target of the block device <num> (the
-same name for multiple entries if I<--backing> is present),
-"block.<num>.backingIndex" - when I<--backing> is present, matches up
-with the <backingStore> index listed in domain XML for backing files,
-"block.<num>.path" - file source of block device <num>, if it is a
-local file or block device,
-"block.<num>.rd.reqs" - number of read requests,
-"block.<num>.rd.bytes" - number of read bytes,
-"block.<num>.rd.times" - total time (ns) spent on reads,
-"block.<num>.wr.reqs" - number of write requests,
-"block.<num>.wr.bytes" - number of written bytes,
-"block.<num>.wr.times" - total time (ns) spent on writes,
-"block.<num>.fl.reqs" - total flush requests,
-"block.<num>.fl.times" - total time (ns) spent on cache flushing,
-"block.<num>.errors" - Xen only: the 'oo_req' value,
-"block.<num>.allocation" - offset of highest written sector in bytes,
-"block.<num>.capacity" - logical size of source file in bytes,
-"block.<num>.physical" - physical size of source file in bytes
+
+ "block.count" - number of block devices being listed
+ "block.<num>.name" - name of the target of the block
+ device <num> (the same name for
+ multiple entries if I<--backing>
+ is present)
+ "block.<num>.backingIndex" - when I<--backing> is present,
+ matches up with the <backingStore>
+ index listed in domain XML for
+ backing files
+ "block.<num>.path" - file source of block device <num>, if
+ it is a local file or block device
+ "block.<num>.rd.reqs" - number of read requests
+ "block.<num>.rd.bytes" - number of read bytes
+ "block.<num>.rd.times" - total time (ns) spent on reads
+ "block.<num>.wr.reqs" - number of write requests
+ "block.<num>.wr.bytes" - number of written bytes
+ "block.<num>.wr.times" - total time (ns) spent on writes
+ "block.<num>.fl.reqs" - total flush requests
+ "block.<num>.fl.times" - total time (ns) spent on cache flushing
+ "block.<num>.errors" - Xen only: the 'oo_req' value
+ "block.<num>.allocation" - offset of highest written sector in bytes
+ "block.<num>.capacity" - logical size of source file in bytes
+ "block.<num>.physical" - physical size of source file in bytes
Selecting a specific statistics groups doesn't guarantee that the
daemon supports the selected group of stats. Flag I<--enforce>