mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "common.h"
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int forks(int argc, char **argv) {
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FILE *f;
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char buff[256];
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if(argc > 1) {
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if(!strcmp(argv[1], "config")) {
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puts("graph_title Fork rate\n"
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"graph_args --base 1000 -l 0 \n"
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"graph_vlabel forks / ${graph_period}\n"
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"graph_category processes\n"
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"graph_info This graph shows the forking rate (new processes started).\n"
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"forks.label forks\n"
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"forks.type DERIVE\n"
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"forks.min 0\n"
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"forks.max 100000\n"
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"forks.info The number of forks per second.");
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print_warncrit("forks");
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return 0;
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}
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if(!strcmp(argv[1], "autoconf")) {
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if(0 == access(PROC_STAT, R_OK))
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return writeyes();
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else
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return writeno(PROC_STAT " not readable");
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}
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}
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if(!(f=fopen(PROC_STAT, "r"))) {
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fputs("cannot open " PROC_STAT "\n", stderr);
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return 1;
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}
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while(fgets(buff, 256, f)) {
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if(!strncmp(buff, "processes ", 10)) {
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fclose(f);
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printf("forks.value %s", buff+10);
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return 0;
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}
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}
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fclose(f);
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fputs("no processes line found in " PROC_STAT "\n", stderr);
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return 1;
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}
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