Disk-spindle metrics
The onperf utility can display metrics for a disk spindle.
The disk-spindle metrics take the path name of a disk
device or operation-system file as the metric scope.
| Metric Name | Description |
|---|---|
| Disk Operations | Total number of I/O operations to or from the indicated disk or buffered operating-system file |
| Disk Reads | Total number of reads from the disk or operating-system file |
| Disk Writes | Total number of writes to the disk or operating-system file |
| Free Space | The amount of free space available in megabytes |