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diff --git a/src/plugins/timeseries/rrdtool.c b/src/plugins/timeseries/rrdtool.c
--- /dev/null
@@ -0,0 +1,123 @@
+/*
+ * SysDB - src/plugins/timeseries/rrdtool.c
+ * Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "sysdb.h"
+#include "core/plugin.h"
+#include "utils/error.h"
+
+#include <errno.h>
+#include <rrd.h>
+
+SDB_PLUGIN_MAGIC;
+
+/*
+ * plugin API
+ */
+
+static sdb_timeseries_t *
+sdb_rrd_fetch(const char *id, sdb_timeseries_opts_t *opts,
+ sdb_object_t __attribute__((unused)) *user_data)
+{
+ sdb_timeseries_t *ts;
+
+ time_t start = (time_t)SDB_TIME_TO_SECS(opts->start);
+ time_t end = (time_t)SDB_TIME_TO_SECS(opts->end);
+ time_t t;
+
+ unsigned long step = 0;
+ unsigned long ds_cnt = 0;
+ unsigned long val_cnt = 0;
+ char **ds_namv = NULL;
+ rrd_value_t *data = NULL, *data_ptr;
+
+#define FREE_RRD_DATA() \
+ do { \
+ size_t i; \
+ for (i = 0; i < ds_cnt; ++i) \
+ rrd_freemem(ds_namv[i]); \
+ rrd_freemem(ds_namv); \
+ rrd_freemem(data); \
+ } while (0)
+
+ if (rrd_fetch_r(id, "AVERAGE", &start, &end, &step,
+ &ds_cnt, &ds_namv, &data)) {
+ char errbuf[1024];
+ sdb_strerror(errno, errbuf, sizeof(errbuf));
+ sdb_log(SDB_LOG_ERR, "rrdtool plugin: Failed to fetch data "
+ "from %s: %s", id, errbuf);
+ return NULL;
+ }
+
+ val_cnt = (unsigned long)(end - start) / step;
+
+ ts = sdb_timeseries_create(ds_cnt, (const char * const *)ds_namv, val_cnt);
+ if (! ts) {
+ char errbuf[1024];
+ sdb_strerror(errno, errbuf, sizeof(errbuf));
+ sdb_log(SDB_LOG_ERR, "rrdtool plugin: Failed to allocate "
+ "time-series object: %s", errbuf);
+ FREE_RRD_DATA();
+ return NULL;
+ }
+
+ ts->start = SECS_TO_SDB_TIME(start + (time_t)step);
+ ts->end = SECS_TO_SDB_TIME(end);
+
+ data_ptr = data;
+ for (t = start + (time_t)step; t <= end; t += (time_t)step) {
+ unsigned long i, j;
+
+ i = (unsigned long)(t - start) / step - 1;
+
+ for (j = 0; j < ds_cnt; ++j) {
+ ts->data[j][i].timestamp = SECS_TO_SDB_TIME(t);
+ ts->data[j][i].value = *data_ptr;
+ ++data_ptr;
+ }
+ }
+
+ FREE_RRD_DATA();
+ return ts;
+} /* sdb_rrd_fetch */
+
+int
+sdb_module_init(sdb_plugin_info_t *info)
+{
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_DESC,
+ "fetch time-series from RRD files");
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_COPYRIGHT,
+ "Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>");
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_LICENSE, "BSD");
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_VERSION, SDB_VERSION);
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_PLUGIN_VERSION, SDB_VERSION);
+
+ sdb_plugin_register_ts_fetcher("rrdtool", sdb_rrd_fetch, NULL);
+ return 0;
+} /* sdb_module_init */
+
+/* vim: set tw=78 sw=4 ts=4 noexpandtab : */
+