/*************************************************************************** * 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 #include #include #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 void probe(void) { FILE *fp; char *buffer; struct proc_ proc; memset(&proc, 0, sizeof(proc)); buffer = malloc(BUFSIZE); if (buffer == NULL) { log_print(LOG_WARN, "plugin stat: out of memory"); return; } fp = fopen("/proc/stat", "r"); if (fp == NULL) { log_print(LOG_WARN, "plugin stat"); free(buffer); return; } 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, val, 9); if (numfields < 5) continue; if (numfields >= 8) { 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 { probe_submit(&plugin, filename, DS_CPU, "%s:%s:%s:%s:0:0:0", val[1], val[2], val[3], val[4]); } } 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); free(buffer); } struct sammler_plugin plugin = { .name = "stat", .interval = 10, .probe = &probe, .get_ds = &get_ds, };