Man pages sections > man8 > chcpumf

chcpumf - manage the CPU-measurement facilities support

chcpumf(8) CPU-MF management programs chcpumf(8)

NAME

chcpumf - manage the CPU-measurement facilities support

SYNOPSIS

chcpumf [-m|--min num_sdb] [-x|--max num_sdb]
 
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)
February 2014 s390-tools