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39 lines
880 B
C
39 lines
880 B
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "common.h"
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#define PROC_LOADAVG "/proc/loadavg"
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int load(int argc, char **argv) {
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FILE *f;
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float val;
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if(argc > 1) {
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if(!strcmp(argv[1], "config")) {
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puts("graph_title Load average\n"
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"graph_args --base 1000 -l 0\n"
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"graph_vlabel load\n"
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"graph_scale no\n"
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"graph_category system\n"
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"load.label load");
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printf("load.warning %d\nload.critical %d\n",
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getenvint("load_warn", 10),
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getenvint("load_crit", 120));
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return 0;
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}
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if(!strcmp(argv[1], "autoconf"))
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return writeyes();
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}
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if(!(f=fopen(PROC_LOADAVG, "r"))) {
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fputs("cannot open " PROC_LOADAVG "\n", stderr);
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return 1;
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}
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if(1 != fscanf(f, "%*f %f", &val)) {
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fputs("cannot read from " PROC_LOADAVG "\n", stderr);
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fclose(f);
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return 1;
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}
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fclose(f);
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printf("load.value %.2f\n", val);
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return 0;
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}
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