NAME¶

chcpumf - manage the CPU-measurement facilities support

SYNOPSIS¶

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

DESCRIPTION¶

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

OPTIONS¶

-m, --min num_sdb

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.

-x, --max num_sdb

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.

-V, --verbose

Displays verbose messages.

-h, --help

Displays help information, then exits.

-v, --version

Displays version information, then exits.

SEE ALSO¶

lscpumf(1)