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 samples 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. ATTRIBUTES Multithreading (see pthreads(7)) The getloadavg() function is thread-safe. 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 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/. Linux 2014-04-01 GETLOADAVG(3)
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