diff options
Diffstat (limited to 'load.c')
-rw-r--r-- | load.c | 47 |
1 files changed, 47 insertions, 0 deletions
@@ -0,0 +1,47 @@ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include "common.h" + +int load(int argc, char **argv) { + FILE *f; + int warn, crit; + float val; + char *s; + if(argc > 1) { + if(!strcmp(argv[1], "config")) { + s = getenv("load_warn"); + if(s) + warn = atoi(s); + else + warn = 10; + s = getenv("load_crit"); + if(s) + crit = atoi(s); + else + crit = 120; + puts("graph_title Load average\n" + "graph_args --base 1000 -l 0\n" + "graph_vlabel load\n" + "graph_scale no\n" + "graph_category system\n" + "load.label load"); + printf("load.warning %d\nload.critical %d\n", warn, crit); + return 0; + } + if(!strcmp(argv[1], "autoconf")) + return writeyes(); + } + if(!(f=fopen("/proc/loadavg", "r"))) { + fputs("cannot open /proc/loadavg\n", stderr); + return 1; + } + if(1 != fscanf(f, "%*f %f", &val)) { + fputs("cannot read from /proc/loadavg\n", stderr); + fclose(f); + return 1; + } + fclose(f); + printf("load.value %.2f\n", val); + return 0; +} |