| Name | Type | Use | Default | Fixed | Annotation |
| utime | xs:decimal | required | | | | documentation | Total amount of user time used, in seconds with millisecond fraction. |
|
| stime | xs:decimal | required | | | | documentation | Total amount of system time used, in seconds with millisecond fraction. |
|
| minflt | xs:unsignedLong | required | | | | documentation | Number of soft page faults (i.e. those serviced by reclaiming a page from the list of pages awaiting reallocation. |
|
| majflt | xs:unsignedLong | required | | | | documentation | Number of hard page faults (i.e. those that required I/O). |
|
| nswap | xs:unsignedLong | required | | | | documentation | Number of times a process was swapped out of physical memory. |
|
| nsignals | xs:unsignedLong | required | | | | documentation | Number of signals delivered. |
|
| nvcsw | xs:unsignedLong | optional | | | | documentation | Number of voluntary context switches, i.e. because the process gave up the process before it had to (usually to wait for some resource to be available). |
|
| nivcsw | xs:unsignedLong | optional | | | | documentation | Number of involuntary context switches, i.e. a higher priority process became runnable or the current process used up its time slice. |
|