The Load metric provides information about the number of runnable processes on the system run queue. If this is greater than the number of CPU's on the system, then excess load exists.
The data sources for this metric category include the following:
|
Host |
Data Source |
|
Solaris |
kernel statistics |
|
HP |
pstat_getdynamic(), pstat_getprocessor(), pstat_getproc(), pstat_getstatic(), getutent(), pstat_getvminfo() system calls |
|
Linux |
uptime, free, getconf, ps, iostat, sar, w OS commands; /proc/stat |
|
HP Tru64 |
table() system call, uptime, vmstat, psrinfo, ps, who, swapon OS commands |
|
IBM AIX |
oracle_kstat(), getutent(), getproc(), sysconf() system calls |
|
Windows |
performance data counters |
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