Subsequent enable and disable options affect the CPU denoted by cpu. The argument cpu is either a number denoting a CPU number in the system, or the string "*", denoting all CPUs in the system.
-d pmc
Disable PMC number pmc on the CPU specified by -c , preventing it from being used till subsequently re-enabled. The argument pmc is either a number denoting a specified PMC, or the string "*" denoting all the PMCs on the specified CPU.
Only idle PMCs may be disabled.
-e pmc
Enable PMC number pmc, on the CPU specified by -c , allowing it to be used in the future. The argument pmc is either a number denoting a specified PMC, or the string "*" denoting all the PMCs on the specified CPU. If PMC pmc is already enabled, this option has no effect.
-l
List available hardware performance counters and their current disposition.
-L
List available hardware performance counter classes and their supported event names.
