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likwid-powermeter - A tool to print power and clocking information on Intel CPUs


likwid-powermeter [-vhip] [-c <socket_list>] [-s <duration_in_seconds>] [-M <access_mode>]


likwid-powermeter is a command line application to get the energy comsumption of Intel
RAPL capable processors. It also prints information about TDP and Turbo Mode steps
supported. The Turbo Mode information works on all Turbo mode enabled Intel processors.
The tool can be either used in stethoscope mode for a specified duration or as a wrapper
to your application measuring your complete run. RAPL works on a per package (socket)
base. Please note that the RAPL counters are also accessible as normal events within


-v prints version information to standard output, then exits.

-h prints a help message to standard output, then exits.

-c <socket_list>
set on which sockets the RAPL interface is accessed. comma-separated list of socket

-p prints out information about dynamic clocks and CPI information on the socket
measured. Uses likwid-perfctr internally.

-i prints out information TDP and Turbo mode steps

-M <access_mode>
set the access method. 0 for direct access to MSR/RAPL registers, 1 for using the

-s <duration_in_seconds>
measure the power for a specific time (default 2s)

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