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117 lines
3.4 KiB
117 lines
3.4 KiB
/*************************************************************************** |
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* Copyright (C) 06/2006 by Olaf Rempel * |
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* razzor@kopf-tisch.de * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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***************************************************************************/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "plugins.h" |
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#include "probe.h" |
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#define DS_MEMORY 1 |
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#define DS_SWAP 2 |
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struct sammler_plugin plugin; |
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static const char *mem_ds_def = { |
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"DS:total:GAUGE:15:0:U " |
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"DS:free:GAUGE:15:0:U " |
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"DS:buffers:GAUGE:15:0:U " |
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"DS:cached:GAUGE:15:0:U " |
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}; |
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static const char *swap_ds_def = { |
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"DS:total:GAUGE:15:0:U " |
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"DS:free:GAUGE:15:0:U " |
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}; |
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static const char * get_ds(int ds_id) |
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{ |
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switch (ds_id) { |
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case DS_MEMORY: |
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return mem_ds_def; |
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case DS_SWAP: |
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return swap_ds_def; |
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default: |
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return NULL; |
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} |
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} |
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struct meminfo_ { |
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unsigned long long memtotal; |
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unsigned long long memfree; |
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unsigned long long buffers; |
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unsigned long long cached; |
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unsigned long long swaptotal; |
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unsigned long long swapfree; |
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}; |
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static int probe(void) |
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{ |
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FILE *fp; |
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struct meminfo_ meminfo; |
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memset(&meminfo, 0, sizeof(meminfo)); |
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fp = fopen("/proc/meminfo", "r"); |
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if (fp == NULL) { |
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log_print(LOG_WARN, "plugin memory"); |
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return -1; |
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} |
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while (fgets(plugin.buffer, plugin.bufsize, fp) != NULL) { |
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if (!strncmp(plugin.buffer, "MemTotal:", 9)) |
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meminfo.memtotal = atoll(plugin.buffer + 10); |
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else if (!strncmp(plugin.buffer, "MemFree:", 8)) |
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meminfo.memfree = atoll(plugin.buffer + 9); |
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else if (!strncmp(plugin.buffer, "Buffers:", 8)) |
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meminfo.buffers = atoll(plugin.buffer + 9); |
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else if (!strncmp(plugin.buffer, "Cached:", 7)) |
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meminfo.cached = atoll(plugin.buffer + 8); |
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else if (!strncmp(plugin.buffer, "SwapTotal:", 10)) |
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meminfo.swaptotal = atoll(plugin.buffer + 11); |
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else if (!strncmp(plugin.buffer, "SwapFree:", 9)) |
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meminfo.swapfree = atoll(plugin.buffer + 10); |
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} |
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probe_submit(&plugin, "memory.rrd", DS_MEMORY, "%llu:%llu:%llu:%llu", |
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meminfo.memtotal, meminfo.memfree, |
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meminfo.buffers, meminfo.cached); |
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probe_submit(&plugin, "swap.rrd", DS_SWAP, "%llu:%llu", |
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meminfo.swaptotal, meminfo.swapfree); |
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fclose(fp); |
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return 0; |
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} |
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struct sammler_plugin plugin = { |
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.name = "memory", |
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.interval = 10, |
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.bufsize = 1024, |
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.probe = &probe, |
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.get_ds = &get_ds, |
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};
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