NAME

lkmi_cpu

SYNOPSIS

#include <lkmi.h >

int lkmi_cpu (lkmi_cpu_t *cpu_info, int index, int num);

PARAMETERS

cpu_info: Pointer to array which contain num of lkmi_cpu_t. If the pointer is NULL then number of CPUs is returned.
index: Index of first evaluated filesystems. First index is 0.
num: Number of lkmi_filesysdescr_t blocks in fsinfo array.

DESCRIPTION

Function retrieves information about CPUs and fills array cpu_info which contains these fields.

user: Number of jiffies in the user state.
nice: Number of jiffies with nice priority.
system: Number of jiffies in the system state.
idle: Number of jiffies in the idle state.

RETURN VALUE

If parameter cpu_info is NULL then number of CPUs, is returned.

If parameter cpu_info is not NULL pointer then 0 is returned if function succeeded. If not then -1 is returned and errno is set to appropriate value.

ENOENT: Filesystem index is out of range. And not all array elements has useful data.
other: See fopen(3) function, which causes other errors.

BUGS REPORTING

Please use the SourceForge Reporting page which is located here:

Bug Report

COPYRIGHT

This function is written as part of lkmi library for Linux system and may be freely distributed under GPL terms.