UPERF(4) - Device Drivers Manual (sparc64)

UPERF(4) - Device Drivers Manual (sparc64) # UPERF(4) - Device Drivers Manual (sparc64) NAME # uperf - performance counters driver SYNOPSIS # uperf* at ebus? uperf* at sbus? DESCRIPTION # Some UltraSPARC host bridges provide performance counters on their host bridges. The counters are a part of the system controller chip (usc, dsc, or qsc). On PCI machines the system controller shows up as a device on the EBus, but on SBus machines the system controller exists in SBus space. ...