Those with read access to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurePipeServers\Winreg will have ablility to run performance monitor remotely.

Performance Monitor Tips:

Architecture, performance-monitoring architecture in Windows NT 4.0
Controlling remote access to performance monitor
Perfmon.xla, Diagnose performance problems with perfmon.xla
TCP, IP, ICMP, and UDP counters - enable