DOKK / manpages / debian 12 / s390-tools / chcpumf.8.en
chcpumf(8) CPU-MF management programs chcpumf(8)

chcpumf - manage the CPU-measurement facilities support

chcpumf [-m|--min num_sdb] [-x|--max num_sdb] [-V|--verbose]
chcpumf -h|--help
chcpumf -v|--version

The chcpumf program helps you to manage settings for the CPU-measurement facilities for Linux on System z.

Specifies the minimum sampling facility buffer size in sample-data-blocks (SDB). A sample-data-block consumes about 4 kilobytes.

This is the initial buffer size when you start the sampling facility.

Specifies the maximum sampling facility buffer size in sample-data-blocks (SDB). A sample-data-block consumes about 4 kilobytes.

This is the maximum size to which the buffer is dynamically adjusted during sampling.

Displays verbose messages.
Displays help information, then exits.
Displays version information, then exits.

lscpumf(1)

February 2014 s390-tools