2 * collectd - src/mysql.c
3 * Copyright (C) 2006-2010 Florian octo Forster
4 * Copyright (C) 2008 Mirko Buffoni
5 * Copyright (C) 2009 Doug MacEachern
6 * Copyright (C) 2009 Sebastian tokkee Harl
7 * Copyright (C) 2009 Rodolphe QuiƩdeville
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; only version 2 of the License is applicable.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 * Florian octo Forster <octo at collectd.org>
24 * Mirko Buffoni <briareos at eswat.org>
25 * Doug MacEachern <dougm at hyperic.com>
26 * Sebastian tokkee Harl <sh at tokkee.org>
27 * Rodolphe QuiƩdeville <rquiedeville at bearstech.com>
34 #include "configfile.h"
38 #elif defined(HAVE_MYSQL_MYSQL_H)
39 #include <mysql/mysql.h>
42 struct mysql_database_s /* {{{ */
59 _Bool slave_io_running;
60 _Bool slave_sql_running;
65 typedef struct mysql_database_s mysql_database_t; /* }}} */
67 static int mysql_read (user_data_t *ud);
69 static void mysql_database_free (void *arg) /* {{{ */
73 DEBUG ("mysql plugin: mysql_database_free (arg = %p);", arg);
81 mysql_close (db->con);
91 } /* }}} void mysql_database_free */
93 /* Configuration handling functions {{{
96 * <Database "plugin_instance1">
103 static int mysql_config_database (oconfig_item_t *ci) /* {{{ */
105 mysql_database_t *db;
108 if ((ci->values_num != 1)
109 || (ci->values[0].type != OCONFIG_TYPE_STRING))
111 WARNING ("mysql plugin: The `Database' block "
112 "needs exactly one string argument.");
116 db = calloc (1, sizeof (*db));
119 ERROR ("mysql plugin: calloc failed.");
123 /* initialize all the pointers */
133 /* trigger a notification, if it's not running */
134 db->slave_io_running = 1;
135 db->slave_sql_running = 1;
137 status = cf_util_get_string (ci, &db->instance);
143 assert (db->instance != NULL);
145 /* Fill the `mysql_database_t' structure.. */
146 for (int i = 0; i < ci->children_num; i++)
148 oconfig_item_t *child = ci->children + i;
150 if (strcasecmp ("Alias", child->key) == 0)
151 status = cf_util_get_string (child, &db->alias);
152 else if (strcasecmp ("Host", child->key) == 0)
153 status = cf_util_get_string (child, &db->host);
154 else if (strcasecmp ("User", child->key) == 0)
155 status = cf_util_get_string (child, &db->user);
156 else if (strcasecmp ("Password", child->key) == 0)
157 status = cf_util_get_string (child, &db->pass);
158 else if (strcasecmp ("Port", child->key) == 0)
160 status = cf_util_get_port_number (child);
167 else if (strcasecmp ("Socket", child->key) == 0)
168 status = cf_util_get_string (child, &db->socket);
169 else if (strcasecmp ("Database", child->key) == 0)
170 status = cf_util_get_string (child, &db->database);
171 else if (strcasecmp ("ConnectTimeout", child->key) == 0)
172 status = cf_util_get_int (child, &db->timeout);
173 else if (strcasecmp ("MasterStats", child->key) == 0)
174 status = cf_util_get_boolean (child, &db->master_stats);
175 else if (strcasecmp ("SlaveStats", child->key) == 0)
176 status = cf_util_get_boolean (child, &db->slave_stats);
177 else if (strcasecmp ("SlaveNotifications", child->key) == 0)
178 status = cf_util_get_boolean (child, &db->slave_notif);
179 else if (strcasecmp ("InnodbStats", child->key) == 0)
180 status = cf_util_get_boolean (child, &db->innodb_stats);
183 WARNING ("mysql plugin: Option `%s' not allowed here.", child->key);
191 /* If all went well, register this database for reading */
194 user_data_t ud = { 0 };
195 char cb_name[DATA_MAX_NAME_LEN];
197 DEBUG ("mysql plugin: Registering new read callback: %s",
198 (db->database != NULL) ? db->database : "<default>");
200 ud.data = (void *) db;
201 ud.free_func = mysql_database_free;
203 if (db->instance != NULL)
204 ssnprintf (cb_name, sizeof (cb_name), "mysql-%s",
207 sstrncpy (cb_name, "mysql", sizeof (cb_name));
209 plugin_register_complex_read (/* group = */ NULL, cb_name,
211 /* interval = */ 0, &ud);
215 mysql_database_free (db);
220 } /* }}} int mysql_config_database */
222 static int mysql_config (oconfig_item_t *ci) /* {{{ */
227 /* Fill the `mysql_database_t' structure.. */
228 for (int i = 0; i < ci->children_num; i++)
230 oconfig_item_t *child = ci->children + i;
232 if (strcasecmp ("Database", child->key) == 0)
233 mysql_config_database (child);
235 WARNING ("mysql plugin: Option \"%s\" not allowed here.",
240 } /* }}} int mysql_config */
242 /* }}} End of configuration handling functions */
244 static MYSQL *getconnection (mysql_database_t *db)
246 if (db->is_connected)
250 status = mysql_ping (db->con);
254 WARNING ("mysql plugin: Lost connection to instance \"%s\": %s",
255 db->instance, mysql_error (db->con));
257 db->is_connected = 0;
261 db->con = mysql_init (NULL);
264 ERROR ("mysql plugin: mysql_init failed: %s",
265 mysql_error (db->con));
270 /* Configure TCP connect timeout (default: 0) */
271 db->con->options.connect_timeout = db->timeout;
273 if (mysql_real_connect (db->con, db->host, db->user, db->pass,
274 db->database, db->port, db->socket, 0) == NULL)
276 ERROR ("mysql plugin: Failed to connect to database %s "
278 (db->database != NULL) ? db->database : "<none>",
279 (db->host != NULL) ? db->host : "localhost",
280 mysql_error (db->con));
284 INFO ("mysql plugin: Successfully connected to database %s "
285 "at server %s (server version: %s, protocol version: %d)",
286 (db->database != NULL) ? db->database : "<none>",
287 mysql_get_host_info (db->con),
288 mysql_get_server_info (db->con),
289 mysql_get_proto_info (db->con));
291 db->is_connected = 1;
293 } /* static MYSQL *getconnection (mysql_database_t *db) */
295 static void set_host (mysql_database_t *db, char *buf, size_t buflen)
298 sstrncpy (buf, db->alias, buflen);
299 else if ((db->host == NULL)
300 || (strcmp ("", db->host) == 0)
301 || (strcmp ("127.0.0.1", db->host) == 0)
302 || (strcmp ("localhost", db->host) == 0))
303 sstrncpy (buf, hostname_g, buflen);
305 sstrncpy (buf, db->host, buflen);
306 } /* void set_host */
308 static void submit (const char *type, const char *type_instance,
309 value_t *values, size_t values_len, mysql_database_t *db)
311 value_list_t vl = VALUE_LIST_INIT;
314 vl.values_len = values_len;
316 set_host (db, vl.host, sizeof (vl.host));
318 sstrncpy (vl.plugin, "mysql", sizeof (vl.plugin));
320 /* Assured by "mysql_config_database" */
321 assert (db->instance != NULL);
322 sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
324 sstrncpy (vl.type, type, sizeof (vl.type));
325 if (type_instance != NULL)
326 sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
328 plugin_dispatch_values (&vl);
331 static void counter_submit (const char *type, const char *type_instance,
332 derive_t value, mysql_database_t *db)
336 values[0].derive = value;
337 submit (type, type_instance, values, STATIC_ARRAY_SIZE (values), db);
338 } /* void counter_submit */
340 static void gauge_submit (const char *type, const char *type_instance,
341 gauge_t value, mysql_database_t *db)
345 values[0].gauge = value;
346 submit (type, type_instance, values, STATIC_ARRAY_SIZE (values), db);
347 } /* void gauge_submit */
349 static void derive_submit (const char *type, const char *type_instance,
350 derive_t value, mysql_database_t *db)
354 values[0].derive = value;
355 submit (type, type_instance, values, STATIC_ARRAY_SIZE (values), db);
356 } /* void derive_submit */
358 static void traffic_submit (derive_t rx, derive_t tx, mysql_database_t *db)
362 values[0].derive = rx;
363 values[1].derive = tx;
365 submit ("mysql_octets", NULL, values, STATIC_ARRAY_SIZE (values), db);
366 } /* void traffic_submit */
368 static MYSQL_RES *exec_query (MYSQL *con, const char *query)
372 int query_len = strlen (query);
374 if (mysql_real_query (con, query, query_len))
376 ERROR ("mysql plugin: Failed to execute query: %s",
378 INFO ("mysql plugin: SQL query was: %s", query);
382 res = mysql_store_result (con);
385 ERROR ("mysql plugin: Failed to store query result: %s",
387 INFO ("mysql plugin: SQL query was: %s", query);
394 static int mysql_read_master_stats (mysql_database_t *db, MYSQL *con)
401 unsigned long long position;
403 query = "SHOW MASTER STATUS";
405 res = exec_query (con, query);
409 row = mysql_fetch_row (res);
412 ERROR ("mysql plugin: Failed to get master statistics: "
413 "`%s' did not return any rows.", query);
414 mysql_free_result (res);
418 field_num = mysql_num_fields (res);
421 ERROR ("mysql plugin: Failed to get master statistics: "
422 "`%s' returned less than two columns.", query);
423 mysql_free_result (res);
427 position = atoll (row[1]);
428 counter_submit ("mysql_log_position", "master-bin", position, db);
430 row = mysql_fetch_row (res);
432 WARNING ("mysql plugin: `%s' returned more than one row - "
433 "ignoring further results.", query);
435 mysql_free_result (res);
438 } /* mysql_read_master_stats */
440 static int mysql_read_slave_stats (mysql_database_t *db, MYSQL *con)
448 /* WTF? libmysqlclient does not seem to provide any means to
449 * translate a column name to a column index ... :-/ */
450 const int READ_MASTER_LOG_POS_IDX = 6;
451 const int SLAVE_IO_RUNNING_IDX = 10;
452 const int SLAVE_SQL_RUNNING_IDX = 11;
453 const int EXEC_MASTER_LOG_POS_IDX = 21;
454 const int SECONDS_BEHIND_MASTER_IDX = 32;
456 query = "SHOW SLAVE STATUS";
458 res = exec_query (con, query);
462 row = mysql_fetch_row (res);
465 ERROR ("mysql plugin: Failed to get slave statistics: "
466 "`%s' did not return any rows.", query);
467 mysql_free_result (res);
471 field_num = mysql_num_fields (res);
474 ERROR ("mysql plugin: Failed to get slave statistics: "
475 "`%s' returned less than 33 columns.", query);
476 mysql_free_result (res);
482 unsigned long long counter;
485 counter = atoll (row[READ_MASTER_LOG_POS_IDX]);
486 counter_submit ("mysql_log_position", "slave-read", counter, db);
488 counter = atoll (row[EXEC_MASTER_LOG_POS_IDX]);
489 counter_submit ("mysql_log_position", "slave-exec", counter, db);
491 if (row[SECONDS_BEHIND_MASTER_IDX] != NULL)
493 gauge = atof (row[SECONDS_BEHIND_MASTER_IDX]);
494 gauge_submit ("time_offset", NULL, gauge, db);
500 notification_t n = { 0, cdtime (), "", "",
501 "mysql", "", "time_offset", "", NULL };
505 io = row[SLAVE_IO_RUNNING_IDX];
506 sql = row[SLAVE_SQL_RUNNING_IDX];
508 set_host (db, n.host, sizeof (n.host));
510 /* Assured by "mysql_config_database" */
511 assert (db->instance != NULL);
512 sstrncpy (n.plugin_instance, db->instance, sizeof (n.plugin_instance));
514 if (((io == NULL) || (strcasecmp (io, "yes") != 0))
515 && (db->slave_io_running))
517 n.severity = NOTIF_WARNING;
518 ssnprintf (n.message, sizeof (n.message),
519 "slave I/O thread not started or not connected to master");
520 plugin_dispatch_notification (&n);
521 db->slave_io_running = 0;
523 else if (((io != NULL) && (strcasecmp (io, "yes") == 0))
524 && (! db->slave_io_running))
526 n.severity = NOTIF_OKAY;
527 ssnprintf (n.message, sizeof (n.message),
528 "slave I/O thread started and connected to master");
529 plugin_dispatch_notification (&n);
530 db->slave_io_running = 1;
533 if (((sql == NULL) || (strcasecmp (sql, "yes") != 0))
534 && (db->slave_sql_running))
536 n.severity = NOTIF_WARNING;
537 ssnprintf (n.message, sizeof (n.message),
538 "slave SQL thread not started");
539 plugin_dispatch_notification (&n);
540 db->slave_sql_running = 0;
542 else if (((sql != NULL) && (strcasecmp (sql, "yes") == 0))
543 && (! db->slave_sql_running))
545 n.severity = NOTIF_OKAY;
546 ssnprintf (n.message, sizeof (n.message),
547 "slave SQL thread started");
548 plugin_dispatch_notification (&n);
549 db->slave_sql_running = 1;
553 row = mysql_fetch_row (res);
555 WARNING ("mysql plugin: `%s' returned more than one row - "
556 "ignoring further results.", query);
558 mysql_free_result (res);
561 } /* mysql_read_slave_stats */
563 static int mysql_read_innodb_stats (mysql_database_t *db, MYSQL *con)
574 { "metadata_mem_pool_size", "bytes", DS_TYPE_GAUGE },
575 { "lock_deadlocks", "mysql_locks", DS_TYPE_DERIVE },
576 { "lock_timeouts", "mysql_locks", DS_TYPE_DERIVE },
577 { "lock_row_lock_current_waits", "mysql_locks", DS_TYPE_DERIVE },
578 { "buffer_pool_size", "bytes", DS_TYPE_GAUGE },
580 { "os_log_bytes_written", "operations", DS_TYPE_DERIVE },
581 { "os_log_pending_fsyncs", "operations", DS_TYPE_DERIVE },
582 { "os_log_pending_writes", "operations", DS_TYPE_DERIVE },
584 { "trx_rseg_history_len", "gauge", DS_TYPE_GAUGE },
586 { "adaptive_hash_searches", "operations", DS_TYPE_DERIVE },
588 { "file_num_open_files", "gauge", DS_TYPE_GAUGE },
590 { "ibuf_merges_insert", "operations", DS_TYPE_DERIVE },
591 { "ibuf_merges_delete_mark", "operations", DS_TYPE_DERIVE },
592 { "ibuf_merges_delete", "operations", DS_TYPE_DERIVE },
593 { "ibuf_merges_discard_insert", "operations", DS_TYPE_DERIVE },
594 { "ibuf_merges_discard_delete_mark", "operations", DS_TYPE_DERIVE },
595 { "ibuf_merges_discard_delete", "operations", DS_TYPE_DERIVE },
596 { "ibuf_merges_discard_merges", "operations", DS_TYPE_DERIVE },
597 { "ibuf_size", "bytes", DS_TYPE_GAUGE },
599 { "innodb_activity_count", "gauge", DS_TYPE_GAUGE },
601 { "innodb_rwlock_s_spin_waits", "operations", DS_TYPE_DERIVE },
602 { "innodb_rwlock_x_spin_waits", "operations", DS_TYPE_DERIVE },
603 { "innodb_rwlock_s_spin_rounds", "operations", DS_TYPE_DERIVE },
604 { "innodb_rwlock_x_spin_rounds", "operations", DS_TYPE_DERIVE },
605 { "innodb_rwlock_s_os_waits", "operations", DS_TYPE_DERIVE },
606 { "innodb_rwlock_x_os_waits", "operations", DS_TYPE_DERIVE },
608 { "dml_reads", "operations", DS_TYPE_DERIVE },
609 { "dml_inserts", "operations", DS_TYPE_DERIVE },
610 { "dml_deletes", "operations", DS_TYPE_DERIVE },
611 { "dml_updates", "operations", DS_TYPE_DERIVE },
616 query = "SELECT name, count, type FROM information_schema.innodb_metrics WHERE status = 'enabled'";
618 res = exec_query (con, query);
622 while ((row = mysql_fetch_row (res)))
626 unsigned long long val;
629 val = atoll (row[1]);
631 for (i = 0; metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0; i++)
634 if (metrics[i].key == NULL)
637 switch (metrics[i].ds_type) {
638 case DS_TYPE_COUNTER:
639 counter_submit(metrics[i].type, key, (counter_t)val, db);
642 gauge_submit(metrics[i].type, key, (gauge_t)val, db);
645 derive_submit(metrics[i].type, key, (derive_t)val, db);
650 mysql_free_result(res);
654 static int mysql_read (user_data_t *ud)
656 mysql_database_t *db;
662 derive_t qcache_hits = 0;
663 derive_t qcache_inserts = 0;
664 derive_t qcache_not_cached = 0;
665 derive_t qcache_lowmem_prunes = 0;
666 gauge_t qcache_queries_in_cache = NAN;
668 gauge_t threads_running = NAN;
669 gauge_t threads_connected = NAN;
670 gauge_t threads_cached = NAN;
671 derive_t threads_created = 0;
673 unsigned long long traffic_incoming = 0ULL;
674 unsigned long long traffic_outgoing = 0ULL;
675 unsigned long mysql_version = 0ULL;
677 if ((ud == NULL) || (ud->data == NULL))
679 ERROR ("mysql plugin: mysql_database_read: Invalid user data.");
683 db = (mysql_database_t *) ud->data;
685 /* An error message will have been printed in this case */
686 if ((con = getconnection (db)) == NULL)
689 mysql_version = mysql_get_server_version(con);
691 query = "SHOW STATUS";
692 if (mysql_version >= 50002)
693 query = "SHOW GLOBAL STATUS";
695 res = exec_query (con, query);
699 while ((row = mysql_fetch_row (res)))
702 unsigned long long val;
705 val = atoll (row[1]);
707 if (strncmp (key, "Com_",
708 strlen ("Com_")) == 0)
713 /* Ignore `prepared statements' */
714 if (strncmp (key, "Com_stmt_", strlen ("Com_stmt_")) != 0)
715 counter_submit ("mysql_commands",
716 key + strlen ("Com_"),
719 else if (strncmp (key, "Handler_",
720 strlen ("Handler_")) == 0)
725 counter_submit ("mysql_handler",
726 key + strlen ("Handler_"),
729 else if (strncmp (key, "Qcache_",
730 strlen ("Qcache_")) == 0)
732 if (strcmp (key, "Qcache_hits") == 0)
733 qcache_hits = (derive_t) val;
734 else if (strcmp (key, "Qcache_inserts") == 0)
735 qcache_inserts = (derive_t) val;
736 else if (strcmp (key, "Qcache_not_cached") == 0)
737 qcache_not_cached = (derive_t) val;
738 else if (strcmp (key, "Qcache_lowmem_prunes") == 0)
739 qcache_lowmem_prunes = (derive_t) val;
740 else if (strcmp (key, "Qcache_queries_in_cache") == 0)
741 qcache_queries_in_cache = (gauge_t) val;
743 else if (strncmp (key, "Bytes_",
744 strlen ("Bytes_")) == 0)
746 if (strcmp (key, "Bytes_received") == 0)
747 traffic_incoming += val;
748 else if (strcmp (key, "Bytes_sent") == 0)
749 traffic_outgoing += val;
751 else if (strncmp (key, "Threads_",
752 strlen ("Threads_")) == 0)
754 if (strcmp (key, "Threads_running") == 0)
755 threads_running = (gauge_t) val;
756 else if (strcmp (key, "Threads_connected") == 0)
757 threads_connected = (gauge_t) val;
758 else if (strcmp (key, "Threads_cached") == 0)
759 threads_cached = (gauge_t) val;
760 else if (strcmp (key, "Threads_created") == 0)
761 threads_created = (derive_t) val;
763 else if (strncmp (key, "Table_locks_",
764 strlen ("Table_locks_")) == 0)
766 counter_submit ("mysql_locks",
767 key + strlen ("Table_locks_"),
770 else if (db->innodb_stats && strncmp (key, "Innodb_", strlen ("Innodb_")) == 0)
773 if (strcmp (key, "Innodb_buffer_pool_pages_data") == 0)
774 gauge_submit ("mysql_bpool_pages", "data", val, db);
775 else if (strcmp (key, "Innodb_buffer_pool_pages_dirty") == 0)
776 gauge_submit ("mysql_bpool_pages", "dirty", val, db);
777 else if (strcmp (key, "Innodb_buffer_pool_pages_flushed") == 0)
778 counter_submit ("mysql_bpool_counters", "pages_flushed", val, db);
779 else if (strcmp (key, "Innodb_buffer_pool_pages_free") == 0)
780 gauge_submit ("mysql_bpool_pages", "free", val, db);
781 else if (strcmp (key, "Innodb_buffer_pool_pages_misc") == 0)
782 gauge_submit ("mysql_bpool_pages", "misc", val, db);
783 else if (strcmp (key, "Innodb_buffer_pool_pages_total") == 0)
784 gauge_submit ("mysql_bpool_pages", "total", val, db);
785 else if (strcmp (key, "Innodb_buffer_pool_read_ahead_rnd") == 0)
786 counter_submit ("mysql_bpool_counters", "read_ahead_rnd", val, db);
787 else if (strcmp (key, "Innodb_buffer_pool_read_ahead") == 0)
788 counter_submit ("mysql_bpool_counters", "read_ahead", val, db);
789 else if (strcmp (key, "Innodb_buffer_pool_read_ahead_evicted") == 0)
790 counter_submit ("mysql_bpool_counters", "read_ahead_evicted", val, db);
791 else if (strcmp (key, "Innodb_buffer_pool_read_requests") == 0)
792 counter_submit ("mysql_bpool_counters", "read_requests", val, db);
793 else if (strcmp (key, "Innodb_buffer_pool_reads") == 0)
794 counter_submit ("mysql_bpool_counters", "reads", val, db);
795 else if (strcmp (key, "Innodb_buffer_pool_wait_free") == 0)
796 counter_submit ("mysql_bpool_counters", "wait_free", val, db);
797 else if (strcmp (key, "Innodb_buffer_pool_write_requests") == 0)
798 counter_submit ("mysql_bpool_counters", "write_requests", val, db);
799 else if (strcmp (key, "Innodb_buffer_pool_bytes_data") == 0)
800 gauge_submit ("mysql_bpool_bytes", "data", val, db);
801 else if (strcmp (key, "Innodb_buffer_pool_bytes_dirty") == 0)
802 gauge_submit ("mysql_bpool_bytes", "dirty", val, db);
805 if (strcmp (key, "Innodb_data_fsyncs") == 0)
806 counter_submit ("mysql_innodb_data", "fsyncs", val, db);
807 else if (strcmp (key, "Innodb_data_read") == 0)
808 counter_submit ("mysql_innodb_data", "read", val, db);
809 else if (strcmp (key, "Innodb_data_reads") == 0)
810 counter_submit ("mysql_innodb_data", "reads", val, db);
811 else if (strcmp (key, "Innodb_data_writes") == 0)
812 counter_submit ("mysql_innodb_data", "writes", val, db);
813 else if (strcmp (key, "Innodb_data_written") == 0)
814 counter_submit ("mysql_innodb_data", "written", val, db);
817 else if (strcmp (key, "Innodb_dblwr_writes") == 0)
818 counter_submit ("mysql_innodb_dblwr", "writes", val, db);
819 else if (strcmp (key, "Innodb_dblwr_pages_written") == 0)
820 counter_submit ("mysql_innodb_dblwr", "written", val, db);
821 else if (strcmp (key, "Innodb_dblwr_page_size") == 0)
822 gauge_submit ("mysql_innodb_dblwr", "page_size", val, db);
825 else if (strcmp (key, "Innodb_log_waits") == 0)
826 counter_submit ("mysql_innodb_log", "waits", val, db);
827 else if (strcmp (key, "Innodb_log_write_requests") == 0)
828 counter_submit ("mysql_innodb_log", "write_requests", val, db);
829 else if (strcmp (key, "Innodb_log_writes") == 0)
830 counter_submit ("mysql_innodb_log", "writes", val, db);
831 else if (strcmp (key, "Innodb_os_log_fsyncs") == 0)
832 counter_submit ("mysql_innodb_log", "fsyncs", val, db);
833 else if (strcmp (key, "Innodb_os_log_written") == 0)
834 counter_submit ("mysql_innodb_log", "written", val, db);
837 else if (strcmp (key, "Innodb_pages_created") == 0)
838 counter_submit ("mysql_innodb_pages", "created", val, db);
839 else if (strcmp (key, "Innodb_pages_read") == 0)
840 counter_submit ("mysql_innodb_pages", "read", val, db);
841 else if (strcmp (key, "Innodb_pages_written") == 0)
842 counter_submit ("mysql_innodb_pages", "written", val, db);
845 else if (strcmp (key, "Innodb_row_lock_time") == 0)
846 counter_submit ("mysql_innodb_row_lock", "time", val, db);
847 else if (strcmp (key, "Innodb_row_lock_waits") == 0)
848 counter_submit ("mysql_innodb_row_lock", "waits", val, db);
851 else if (strcmp (key, "Innodb_rows_deleted") == 0)
852 counter_submit ("mysql_innodb_rows", "deleted", val, db);
853 else if (strcmp (key, "Innodb_rows_inserted") == 0)
854 counter_submit ("mysql_innodb_rows", "inserted", val, db);
855 else if (strcmp (key, "Innodb_rows_read") == 0)
856 counter_submit ("mysql_innodb_rows", "read", val, db);
857 else if (strcmp (key, "Innodb_rows_updated") == 0)
858 counter_submit ("mysql_innodb_rows", "updated", val, db);
860 else if (strncmp (key, "Select_", strlen ("Select_")) == 0)
862 counter_submit ("mysql_select", key + strlen ("Select_"),
865 else if (strncmp (key, "Sort_", strlen ("Sort_")) == 0)
867 if (strcmp (key, "Sort_merge_passes") == 0)
868 counter_submit ("mysql_sort_merge_passes", NULL, val, db);
869 else if (strcmp (key, "Sort_rows") == 0)
870 counter_submit ("mysql_sort_rows", NULL, val, db);
871 else if (strcmp (key, "Sort_range") == 0)
872 counter_submit ("mysql_sort", "range", val, db);
873 else if (strcmp (key, "Sort_scan") == 0)
874 counter_submit ("mysql_sort", "scan", val, db);
877 else if (strncmp (key, "Slow_queries", strlen ("Slow_queries")) == 0)
879 counter_submit ("mysql_slow_queries", NULL , val, db);
882 mysql_free_result (res); res = NULL;
884 if ((qcache_hits != 0)
885 || (qcache_inserts != 0)
886 || (qcache_not_cached != 0)
887 || (qcache_lowmem_prunes != 0))
889 derive_submit ("cache_result", "qcache-hits",
891 derive_submit ("cache_result", "qcache-inserts",
893 derive_submit ("cache_result", "qcache-not_cached",
894 qcache_not_cached, db);
895 derive_submit ("cache_result", "qcache-prunes",
896 qcache_lowmem_prunes, db);
898 gauge_submit ("cache_size", "qcache",
899 qcache_queries_in_cache, db);
902 if (threads_created != 0)
904 gauge_submit ("threads", "running",
905 threads_running, db);
906 gauge_submit ("threads", "connected",
907 threads_connected, db);
908 gauge_submit ("threads", "cached",
911 derive_submit ("total_threads", "created",
912 threads_created, db);
915 traffic_submit (traffic_incoming, traffic_outgoing, db);
917 if (mysql_version >= 50600 && db->innodb_stats)
918 mysql_read_innodb_stats (db, con);
920 if (db->master_stats)
921 mysql_read_master_stats (db, con);
923 if ((db->slave_stats) || (db->slave_notif))
924 mysql_read_slave_stats (db, con);
927 } /* int mysql_read */
929 void module_register (void)
931 plugin_register_complex_config ("mysql", mysql_config);
932 } /* void module_register */