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