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getloadavg(3) [centos man page]

GETLOADAVG(3)						     Linux Programmer's Manual						     GETLOADAVG(3)

NAME
getloadavg - get system load averages SYNOPSIS
#define _BSD_SOURCE /* See feature_test_macros(7) */ #include <stdlib.h> int getloadavg(double loadavg[], int nelem); DESCRIPTION
The getloadavg() function returns the number of processes in the system run queue averaged over various periods of time. Up to nelem sam- ples are retrieved and assigned to successive elements of loadavg[]. The system imposes a maximum of 3 samples, representing averages over the last 1, 5, and 15 minutes, respectively. RETURN VALUE
If the load average was unobtainable, -1 is returned; otherwise, the number of samples actually retrieved is returned. VERSIONS
This function is available in glibc since version 2.2. CONFORMING TO
Not in POSIX.1-2001. Present on the BSDs and Solaris. SEE ALSO
uptime(1), proc(5) COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 2007-12-08 GETLOADAVG(3)

Check Out this Related Man Page

GETLOADAVG(3)						     Linux Programmer's Manual						     GETLOADAVG(3)

NAME
getloadavg - get system load averages SYNOPSIS
#define _BSD_SOURCE #include <stdlib.h> int getloadavg(double loadavg[], int nelem); DESCRIPTION
The getloadavg() function returns the number of processes in the system run queue averaged over various periods of time. Up to nelem sam- ples are retrieved and assigned to successive elements of loadavg[]. The system imposes a maximum of 3 samples, representing averages over the last 1, 5, and 15 minutes, respectively. RETURN VALUE
If the load average was unobtainable, -1 is returned; otherwise, the number of samples actually retrieved is returned. VERSIONS
This function is available in glibc since version 2.2. CONFORMING TO
Not in POSIX.1-2001. Present on the BSDs and Solaris. SEE ALSO
uptime(1), proc(5), feature_test_macros(7) COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 2007-12-08 GETLOADAVG(3)
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