Интерактивная система просмотра системных руководств (man-ов)
pmccontrol (8)
>> pmccontrol (8) ( FreeBSD man: Команды системного администрирования )
BSD mandoc
NAME
pmccontrol
- control hardware performance monitoring counters
SYNOPSIS
[-c cpu | -d pmc | -e pmc ...]
-l
-L
-s
DESCRIPTION
The
utility controls the operation of the system's hardware performance
monitoring counters.
OPTIONS
The
utility processes options in command line order, so later options modify
the effect of earlier ones.
The following options are available:
-c cpu
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.
