: The speed of data being read from or written to hardware.
: The amount of physical RAM currently free. Apple Performance Counters Windows 7
For Apple software on Windows, these counters allow Apple services to report their own metrics—like the number of active device syncs or media library throughput—back to the system's monitoring tools. Accessing Counters via Performance Monitor (Perfmon) : The speed of data being read from or written to hardware
In Windows 7, performance counters are measurable metrics provided by the operating system, device drivers, or specific applications. They provide a consistent way to collect system data, such as: : The percentage of time the CPU is active. Apple Performance Counters Windows 7
: Search for categories starting with "Apple" (e.g., Apple Mobile Device Service). These will only appear if the relevant Apple software is currently installed and running.