158 lines
3.9 KiB
C
158 lines
3.9 KiB
C
/***************************************************************************
|
|
* Copyright (C) 06/2006 by Olaf Rempel *
|
|
* razzor@kopf-tisch.de *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the *
|
|
* Free Software Foundation, Inc., *
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
|
|
***************************************************************************/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "helper.h"
|
|
#include "plugins.h"
|
|
|
|
#define BUFSIZE 1024
|
|
|
|
#define DS_CPU 1
|
|
#define DS_PROC 2
|
|
|
|
struct sammler_plugin plugin;
|
|
|
|
static char *cpu_ds_def = {
|
|
"DS:user:COUNTER:15:0:U "
|
|
"DS:nice:COUNTER:15:0:U "
|
|
"DS:system:COUNTER:15:0:U "
|
|
"DS:idle:COUNTER:15:0:U "
|
|
"DS:iowait:COUNTER:15:0:U "
|
|
"DS:irq:COUNTER:15:0:U "
|
|
"DS:softirq:COUNTER:15:0:U "
|
|
"DS:steal:COUNTER:15:0:U "
|
|
};
|
|
|
|
static char *proc_ds_def = {
|
|
"DS:intr:COUNTER:15:0:U "
|
|
"DS:ctxt:COUNTER:15:0:U "
|
|
"DS:fork:COUNTER:15:0:U "
|
|
};
|
|
|
|
static char * get_ds(int ds_id)
|
|
{
|
|
switch (ds_id) {
|
|
case DS_CPU:
|
|
return cpu_ds_def;
|
|
|
|
case DS_PROC:
|
|
return proc_ds_def;
|
|
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
struct proc_ {
|
|
unsigned long long intr;
|
|
unsigned long long ctxt;
|
|
unsigned long long fork;
|
|
};
|
|
|
|
static char *buffer;
|
|
|
|
static int probe(void)
|
|
{
|
|
FILE *fp;
|
|
struct proc_ proc;
|
|
|
|
memset(&proc, 0, sizeof(proc));
|
|
|
|
fp = fopen("/proc/stat", "r");
|
|
if (fp == NULL) {
|
|
log_print(LOG_WARN, "plugin stat");
|
|
return -1;
|
|
}
|
|
|
|
while (fgets(buffer, BUFSIZE, fp) != NULL) {
|
|
if (!strncmp(buffer, "cpu", 3)) {
|
|
char *val[9], filename[16];
|
|
int numfields, len, cpu;
|
|
|
|
if ((buffer[3] >= '0') && (buffer[3] <= '9')) {
|
|
cpu = atoi(buffer +3);
|
|
len = snprintf(filename, sizeof(filename), "cpu-%d.rrd", cpu);
|
|
if (len < 0 || len >= sizeof(filename))
|
|
continue;
|
|
|
|
} else {
|
|
strncpy(filename, "cpu.rrd", sizeof(filename));
|
|
}
|
|
|
|
numfields = strsplit(buffer, " \t\n", val, 9);
|
|
if (numfields < 5)
|
|
continue;
|
|
|
|
else if (numfields == 5)
|
|
val[5] = val[6] = val[7] = val[8] = "0";
|
|
|
|
else if (numfields == 8)
|
|
val[8] = "0";
|
|
|
|
probe_submit(&plugin, filename, DS_CPU,
|
|
"%s:%s:%s:%s:%s:%s:%s:%s",
|
|
val[1], val[2], val[3], val[4],
|
|
val[5], val[6], val[7], val[8]);
|
|
|
|
} else if (!strncmp(buffer, "intr", 4)) {
|
|
proc.intr = atoll(buffer + 5);
|
|
|
|
} else if (!strncmp(buffer, "ctxt", 4)) {
|
|
proc.ctxt = atoll(buffer + 5);
|
|
|
|
} else if (!strncmp(buffer, "processes", 9)) {
|
|
proc.fork = atoll(buffer + 10);
|
|
}
|
|
}
|
|
|
|
probe_submit(&plugin, "proc.rrd", DS_PROC, "%llu:%llu:%llu",
|
|
proc.intr, proc.ctxt, proc.fork);
|
|
|
|
fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
static int init(void)
|
|
{
|
|
buffer = malloc(BUFSIZE);
|
|
if (buffer == NULL) {
|
|
log_print(LOG_WARN, "plugin stat: out of memory");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int fini(void)
|
|
{
|
|
free(buffer);
|
|
return 0;
|
|
}
|
|
|
|
struct sammler_plugin plugin = {
|
|
.name = "stat",
|
|
.interval = 10,
|
|
.init = &init,
|
|
.fini = &fini,
|
|
.probe = &probe,
|
|
.get_ds = &get_ds,
|
|
};
|