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>
33 #include "utils/common/common.h"
37 #elif defined(HAVE_MYSQL_MYSQL_H)
38 #include <mysql/mysql.h>
41 struct mysql_database_s /* {{{ */
50 /* mysql_ssl_set params */
67 bool slave_io_running;
68 bool slave_sql_running;
73 typedef struct mysql_database_s mysql_database_t; /* }}} */
75 static int mysql_read(user_data_t *ud);
77 static void mysql_database_free(void *arg) /* {{{ */
81 DEBUG("mysql plugin: mysql_database_free (arg = %p);", arg);
104 } /* }}} void mysql_database_free */
106 /* Configuration handling functions {{{
109 * <Database "plugin_instance1">
116 static int mysql_config_database(oconfig_item_t *ci) /* {{{ */
118 mysql_database_t *db;
121 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
122 WARNING("mysql plugin: The `Database' block "
123 "needs exactly one string argument.");
127 db = calloc(1, sizeof(*db));
129 ERROR("mysql plugin: calloc failed.");
133 /* initialize all the pointers */
149 /* trigger a notification, if it's not running */
150 db->slave_io_running = true;
151 db->slave_sql_running = true;
153 status = cf_util_get_string(ci, &db->instance);
158 assert(db->instance != NULL);
160 /* Fill the `mysql_database_t' structure.. */
161 for (int i = 0; i < ci->children_num; i++) {
162 oconfig_item_t *child = ci->children + i;
164 if (strcasecmp("Alias", child->key) == 0)
165 status = cf_util_get_string(child, &db->alias);
166 else if (strcasecmp("Host", child->key) == 0)
167 status = cf_util_get_string(child, &db->host);
168 else if (strcasecmp("User", child->key) == 0)
169 status = cf_util_get_string(child, &db->user);
170 else if (strcasecmp("Password", child->key) == 0)
171 status = cf_util_get_string(child, &db->pass);
172 else if (strcasecmp("Port", child->key) == 0) {
173 status = cf_util_get_port_number(child);
178 } else if (strcasecmp("Socket", child->key) == 0)
179 status = cf_util_get_string(child, &db->socket);
180 else if (strcasecmp("Database", child->key) == 0)
181 status = cf_util_get_string(child, &db->database);
182 else if (strcasecmp("SSLKey", child->key) == 0)
183 status = cf_util_get_string(child, &db->key);
184 else if (strcasecmp("SSLCert", child->key) == 0)
185 status = cf_util_get_string(child, &db->cert);
186 else if (strcasecmp("SSLCA", child->key) == 0)
187 status = cf_util_get_string(child, &db->ca);
188 else if (strcasecmp("SSLCAPath", child->key) == 0)
189 status = cf_util_get_string(child, &db->capath);
190 else if (strcasecmp("SSLCipher", child->key) == 0)
191 status = cf_util_get_string(child, &db->cipher);
192 else if (strcasecmp("ConnectTimeout", child->key) == 0)
193 status = cf_util_get_int(child, &db->timeout);
194 else if (strcasecmp("MasterStats", child->key) == 0)
195 status = cf_util_get_boolean(child, &db->master_stats);
196 else if (strcasecmp("SlaveStats", child->key) == 0)
197 status = cf_util_get_boolean(child, &db->slave_stats);
198 else if (strcasecmp("SlaveNotifications", child->key) == 0)
199 status = cf_util_get_boolean(child, &db->slave_notif);
200 else if (strcasecmp("InnodbStats", child->key) == 0)
201 status = cf_util_get_boolean(child, &db->innodb_stats);
202 else if (strcasecmp("WsrepStats", child->key) == 0)
203 status = cf_util_get_boolean(child, &db->wsrep_stats);
205 WARNING("mysql plugin: Option `%s' not allowed here.", child->key);
213 /* If all went well, register this database for reading */
215 char cb_name[DATA_MAX_NAME_LEN];
217 DEBUG("mysql plugin: Registering new read callback: %s",
218 (db->database != NULL) ? db->database : "<default>");
220 if (db->instance != NULL)
221 ssnprintf(cb_name, sizeof(cb_name), "mysql-%s", db->instance);
223 sstrncpy(cb_name, "mysql", sizeof(cb_name));
225 plugin_register_complex_read(
226 /* group = */ NULL, cb_name, mysql_read, /* interval = */ 0,
229 .free_func = mysql_database_free,
232 mysql_database_free(db);
237 } /* }}} int mysql_config_database */
239 static int mysql_config(oconfig_item_t *ci) /* {{{ */
244 /* Fill the `mysql_database_t' structure.. */
245 for (int i = 0; i < ci->children_num; i++) {
246 oconfig_item_t *child = ci->children + i;
248 if (strcasecmp("Database", child->key) == 0)
249 mysql_config_database(child);
251 WARNING("mysql plugin: Option \"%s\" not allowed here.", child->key);
255 } /* }}} int mysql_config */
257 /* }}} End of configuration handling functions */
259 static MYSQL *getconnection(mysql_database_t *db) {
262 if (db->is_connected) {
265 status = mysql_ping(db->con);
269 WARNING("mysql plugin: Lost connection to instance \"%s\": %s",
270 db->instance, mysql_error(db->con));
272 db->is_connected = false;
274 /* Close the old connection before initializing a new one. */
275 if (db->con != NULL) {
276 mysql_close(db->con);
280 db->con = mysql_init(NULL);
281 if (db->con == NULL) {
282 ERROR("mysql plugin: mysql_init failed: %s", mysql_error(db->con));
286 /* Configure TCP connect timeout (default: 0) */
287 db->con->options.connect_timeout = db->timeout;
289 mysql_ssl_set(db->con, db->key, db->cert, db->ca, db->capath, db->cipher);
291 if (mysql_real_connect(db->con, db->host, db->user, db->pass, db->database,
292 db->port, db->socket, 0) == NULL) {
293 ERROR("mysql plugin: Failed to connect to database %s "
295 (db->database != NULL) ? db->database : "<none>",
296 (db->host != NULL) ? db->host : "localhost", mysql_error(db->con));
300 cipher = mysql_get_ssl_cipher(db->con);
302 INFO("mysql plugin: Successfully connected to database %s "
303 "at server %s with cipher %s "
304 "(server version: %s, protocol version: %d) ",
305 (db->database != NULL) ? db->database : "<none>",
306 mysql_get_host_info(db->con), (cipher != NULL) ? cipher : "<none>",
307 mysql_get_server_info(db->con), mysql_get_proto_info(db->con));
309 db->is_connected = true;
311 } /* static MYSQL *getconnection (mysql_database_t *db) */
313 static void set_host(mysql_database_t *db, char *buf, size_t buflen) {
315 sstrncpy(buf, db->alias, buflen);
316 else if ((db->host == NULL) || (strcmp("", db->host) == 0) ||
317 (strcmp("127.0.0.1", db->host) == 0) ||
318 (strcmp("localhost", db->host) == 0))
319 sstrncpy(buf, hostname_g, buflen);
321 sstrncpy(buf, db->host, buflen);
322 } /* void set_host */
324 static void submit(const char *type, const char *type_instance, value_t *values,
325 size_t values_len, mysql_database_t *db) {
326 value_list_t vl = VALUE_LIST_INIT;
329 vl.values_len = values_len;
331 set_host(db, vl.host, sizeof(vl.host));
333 sstrncpy(vl.plugin, "mysql", sizeof(vl.plugin));
335 /* Assured by "mysql_config_database" */
336 assert(db->instance != NULL);
337 sstrncpy(vl.plugin_instance, db->instance, sizeof(vl.plugin_instance));
339 sstrncpy(vl.type, type, sizeof(vl.type));
340 if (type_instance != NULL)
341 sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
343 plugin_dispatch_values(&vl);
346 static void gauge_submit(const char *type, const char *type_instance,
347 gauge_t value, mysql_database_t *db) {
348 submit(type, type_instance, &(value_t){.gauge = value}, 1, db);
349 } /* void gauge_submit */
351 static void derive_submit(const char *type, const char *type_instance,
352 derive_t value, mysql_database_t *db) {
353 submit(type, type_instance, &(value_t){.derive = value}, 1, db);
354 } /* void derive_submit */
356 static void traffic_submit(derive_t rx, derive_t tx, mysql_database_t *db) {
362 submit("mysql_octets", NULL, values, STATIC_ARRAY_SIZE(values), db);
363 } /* void traffic_submit */
365 static MYSQL_RES *exec_query(MYSQL *con, const char *query) {
368 size_t query_len = strlen(query);
370 if (mysql_real_query(con, query, query_len)) {
371 ERROR("mysql plugin: Failed to execute query: %s", mysql_error(con));
372 INFO("mysql plugin: SQL query was: %s", query);
376 res = mysql_store_result(con);
378 ERROR("mysql plugin: Failed to store query result: %s", mysql_error(con));
379 INFO("mysql plugin: SQL query was: %s", query);
386 static int mysql_read_master_stats(mysql_database_t *db, MYSQL *con) {
392 unsigned long long position;
394 query = "SHOW MASTER STATUS";
396 res = exec_query(con, query);
400 row = mysql_fetch_row(res);
402 ERROR("mysql plugin: Failed to get master statistics: "
403 "`%s' did not return any rows.",
405 mysql_free_result(res);
409 field_num = mysql_num_fields(res);
411 ERROR("mysql plugin: Failed to get master statistics: "
412 "`%s' returned less than two columns.",
414 mysql_free_result(res);
418 position = atoll(row[1]);
419 derive_submit("mysql_log_position", "master-bin", position, db);
421 row = mysql_fetch_row(res);
423 WARNING("mysql plugin: `%s' returned more than one row - "
424 "ignoring further results.",
427 mysql_free_result(res);
430 } /* mysql_read_master_stats */
432 static int mysql_read_slave_stats(mysql_database_t *db, MYSQL *con) {
439 /* WTF? libmysqlclient does not seem to provide any means to
440 * translate a column name to a column index ... :-/ */
441 const int READ_MASTER_LOG_POS_IDX = 6;
442 const int SLAVE_IO_RUNNING_IDX = 10;
443 const int SLAVE_SQL_RUNNING_IDX = 11;
444 const int EXEC_MASTER_LOG_POS_IDX = 21;
445 const int SECONDS_BEHIND_MASTER_IDX = 32;
447 query = "SHOW SLAVE STATUS";
449 res = exec_query(con, query);
453 row = mysql_fetch_row(res);
455 ERROR("mysql plugin: Failed to get slave statistics: "
456 "`%s' did not return any rows.",
458 mysql_free_result(res);
462 field_num = mysql_num_fields(res);
463 if (field_num < 33) {
464 ERROR("mysql plugin: Failed to get slave statistics: "
465 "`%s' returned less than 33 columns.",
467 mysql_free_result(res);
471 if (db->slave_stats) {
472 unsigned long long counter;
475 counter = atoll(row[READ_MASTER_LOG_POS_IDX]);
476 derive_submit("mysql_log_position", "slave-read", counter, db);
478 counter = atoll(row[EXEC_MASTER_LOG_POS_IDX]);
479 derive_submit("mysql_log_position", "slave-exec", counter, db);
481 if (row[SECONDS_BEHIND_MASTER_IDX] != NULL) {
482 gauge = atof(row[SECONDS_BEHIND_MASTER_IDX]);
483 gauge_submit("time_offset", NULL, gauge, db);
487 if (db->slave_notif) {
488 notification_t n = {0, cdtime(), "", "", "mysql",
489 "", "time_offset", "", NULL};
493 io = row[SLAVE_IO_RUNNING_IDX];
494 sql = row[SLAVE_SQL_RUNNING_IDX];
496 set_host(db, n.host, sizeof(n.host));
498 /* Assured by "mysql_config_database" */
499 assert(db->instance != NULL);
500 sstrncpy(n.plugin_instance, db->instance, sizeof(n.plugin_instance));
502 if (((io == NULL) || (strcasecmp(io, "yes") != 0)) &&
503 (db->slave_io_running)) {
504 n.severity = NOTIF_WARNING;
505 ssnprintf(n.message, sizeof(n.message),
506 "slave I/O thread not started or not connected to master");
507 plugin_dispatch_notification(&n);
508 db->slave_io_running = false;
509 } else if (((io != NULL) && (strcasecmp(io, "yes") == 0)) &&
510 (!db->slave_io_running)) {
511 n.severity = NOTIF_OKAY;
512 ssnprintf(n.message, sizeof(n.message),
513 "slave I/O thread started and connected to master");
514 plugin_dispatch_notification(&n);
515 db->slave_io_running = true;
518 if (((sql == NULL) || (strcasecmp(sql, "yes") != 0)) &&
519 (db->slave_sql_running)) {
520 n.severity = NOTIF_WARNING;
521 ssnprintf(n.message, sizeof(n.message), "slave SQL thread not started");
522 plugin_dispatch_notification(&n);
523 db->slave_sql_running = false;
524 } else if (((sql != NULL) && (strcasecmp(sql, "yes") == 0)) &&
525 (!db->slave_sql_running)) {
526 n.severity = NOTIF_OKAY;
527 ssnprintf(n.message, sizeof(n.message), "slave SQL thread started");
528 plugin_dispatch_notification(&n);
529 db->slave_sql_running = true;
533 row = mysql_fetch_row(res);
535 WARNING("mysql plugin: `%s' returned more than one row - "
536 "ignoring further results.",
539 mysql_free_result(res);
542 } /* mysql_read_slave_stats */
544 static int mysql_read_innodb_stats(mysql_database_t *db, MYSQL *con) {
554 {"metadata_mem_pool_size", "bytes", DS_TYPE_GAUGE},
555 {"lock_deadlocks", "mysql_locks", DS_TYPE_DERIVE},
556 {"lock_timeouts", "mysql_locks", DS_TYPE_DERIVE},
557 {"lock_row_lock_current_waits", "mysql_locks", DS_TYPE_DERIVE},
558 {"buffer_pool_size", "bytes", DS_TYPE_GAUGE},
560 {"os_log_bytes_written", "operations", DS_TYPE_DERIVE},
561 {"os_log_pending_fsyncs", "operations", DS_TYPE_DERIVE},
562 {"os_log_pending_writes", "operations", DS_TYPE_DERIVE},
564 {"trx_rseg_history_len", "gauge", DS_TYPE_GAUGE},
566 {"adaptive_hash_searches", "operations", DS_TYPE_DERIVE},
568 {"file_num_open_files", "gauge", DS_TYPE_GAUGE},
570 {"ibuf_merges_insert", "operations", DS_TYPE_DERIVE},
571 {"ibuf_merges_delete_mark", "operations", DS_TYPE_DERIVE},
572 {"ibuf_merges_delete", "operations", DS_TYPE_DERIVE},
573 {"ibuf_merges_discard_insert", "operations", DS_TYPE_DERIVE},
574 {"ibuf_merges_discard_delete_mark", "operations", DS_TYPE_DERIVE},
575 {"ibuf_merges_discard_delete", "operations", DS_TYPE_DERIVE},
576 {"ibuf_merges_discard_merges", "operations", DS_TYPE_DERIVE},
577 {"ibuf_size", "bytes", DS_TYPE_GAUGE},
579 {"innodb_activity_count", "gauge", DS_TYPE_GAUGE},
581 {"innodb_rwlock_s_spin_waits", "operations", DS_TYPE_DERIVE},
582 {"innodb_rwlock_x_spin_waits", "operations", DS_TYPE_DERIVE},
583 {"innodb_rwlock_s_spin_rounds", "operations", DS_TYPE_DERIVE},
584 {"innodb_rwlock_x_spin_rounds", "operations", DS_TYPE_DERIVE},
585 {"innodb_rwlock_s_os_waits", "operations", DS_TYPE_DERIVE},
586 {"innodb_rwlock_x_os_waits", "operations", DS_TYPE_DERIVE},
588 {"dml_reads", "operations", DS_TYPE_DERIVE},
589 {"dml_inserts", "operations", DS_TYPE_DERIVE},
590 {"dml_deletes", "operations", DS_TYPE_DERIVE},
591 {"dml_updates", "operations", DS_TYPE_DERIVE},
595 query = "SELECT name, count, type FROM information_schema.innodb_metrics "
596 "WHERE status = 'enabled'";
598 res = exec_query(con, query);
602 while ((row = mysql_fetch_row(res))) {
605 unsigned long long val;
610 for (i = 0; metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0; i++)
613 if (metrics[i].key == NULL)
616 switch (metrics[i].ds_type) {
617 case DS_TYPE_COUNTER:
618 derive_submit(metrics[i].type, key, (counter_t)val, db);
621 gauge_submit(metrics[i].type, key, (gauge_t)val, db);
624 derive_submit(metrics[i].type, key, (derive_t)val, db);
629 mysql_free_result(res);
633 static int mysql_read_wsrep_stats(mysql_database_t *db, MYSQL *con) {
644 {"wsrep_apply_oooe", "operations", DS_TYPE_DERIVE},
645 {"wsrep_apply_oool", "operations", DS_TYPE_DERIVE},
646 {"wsrep_causal_reads", "operations", DS_TYPE_DERIVE},
647 {"wsrep_commit_oooe", "operations", DS_TYPE_DERIVE},
648 {"wsrep_commit_oool", "operations", DS_TYPE_DERIVE},
649 {"wsrep_flow_control_recv", "operations", DS_TYPE_DERIVE},
650 {"wsrep_flow_control_sent", "operations", DS_TYPE_DERIVE},
651 {"wsrep_flow_control_paused", "operations", DS_TYPE_DERIVE},
652 {"wsrep_local_bf_aborts", "operations", DS_TYPE_DERIVE},
653 {"wsrep_local_cert_failures", "operations", DS_TYPE_DERIVE},
654 {"wsrep_local_commits", "operations", DS_TYPE_DERIVE},
655 {"wsrep_local_replays", "operations", DS_TYPE_DERIVE},
656 {"wsrep_received", "operations", DS_TYPE_DERIVE},
657 {"wsrep_replicated", "operations", DS_TYPE_DERIVE},
659 {"wsrep_received_bytes", "total_bytes", DS_TYPE_DERIVE},
660 {"wsrep_replicated_bytes", "total_bytes", DS_TYPE_DERIVE},
662 {"wsrep_apply_window", "gauge", DS_TYPE_GAUGE},
663 {"wsrep_commit_window", "gauge", DS_TYPE_GAUGE},
665 {"wsrep_cluster_size", "gauge", DS_TYPE_GAUGE},
666 {"wsrep_cert_deps_distance", "gauge", DS_TYPE_GAUGE},
668 {"wsrep_local_recv_queue", "queue_length", DS_TYPE_GAUGE},
669 {"wsrep_local_send_queue", "queue_length", DS_TYPE_GAUGE},
675 query = "SHOW GLOBAL STATUS LIKE 'wsrep_%'";
677 res = exec_query(con, query);
681 row = mysql_fetch_row(res);
683 ERROR("mysql plugin: Failed to get wsrep statistics: "
684 "`%s' did not return any rows.",
686 mysql_free_result(res);
690 while ((row = mysql_fetch_row(res))) {
693 unsigned long long val;
698 for (i = 0; metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0; i++)
701 if (metrics[i].key == NULL)
704 switch (metrics[i].ds_type) {
706 gauge_submit(metrics[i].type, key, (gauge_t)val, db);
709 derive_submit(metrics[i].type, key, (derive_t)val, db);
714 mysql_free_result(res);
716 } /* mysql_read_wsrep_stats */
718 static int mysql_read(user_data_t *ud) {
719 mysql_database_t *db;
725 derive_t qcache_hits = 0;
726 derive_t qcache_inserts = 0;
727 derive_t qcache_not_cached = 0;
728 derive_t qcache_lowmem_prunes = 0;
729 gauge_t qcache_queries_in_cache = NAN;
731 gauge_t threads_running = NAN;
732 gauge_t threads_connected = NAN;
733 gauge_t threads_cached = NAN;
734 derive_t threads_created = 0;
736 unsigned long long traffic_incoming = 0ULL;
737 unsigned long long traffic_outgoing = 0ULL;
738 unsigned long mysql_version = 0ULL;
740 if ((ud == NULL) || (ud->data == NULL)) {
741 ERROR("mysql plugin: mysql_database_read: Invalid user data.");
745 db = (mysql_database_t *)ud->data;
747 /* An error message will have been printed in this case */
748 if ((con = getconnection(db)) == NULL)
751 mysql_version = mysql_get_server_version(con);
753 query = "SHOW STATUS";
754 if (mysql_version >= 50002)
755 query = "SHOW GLOBAL STATUS";
757 res = exec_query(con, query);
761 while ((row = mysql_fetch_row(res))) {
763 unsigned long long val;
768 if (strncmp(key, "Com_", strlen("Com_")) == 0) {
772 /* Ignore `prepared statements' */
773 if (strncmp(key, "Com_stmt_", strlen("Com_stmt_")) != 0)
774 derive_submit("mysql_commands", key + strlen("Com_"), val, db);
775 } else if (strncmp(key, "Handler_", strlen("Handler_")) == 0) {
779 derive_submit("mysql_handler", key + strlen("Handler_"), val, db);
780 } else if (strncmp(key, "Qcache_", strlen("Qcache_")) == 0) {
781 if (strcmp(key, "Qcache_hits") == 0)
782 qcache_hits = (derive_t)val;
783 else if (strcmp(key, "Qcache_inserts") == 0)
784 qcache_inserts = (derive_t)val;
785 else if (strcmp(key, "Qcache_not_cached") == 0)
786 qcache_not_cached = (derive_t)val;
787 else if (strcmp(key, "Qcache_lowmem_prunes") == 0)
788 qcache_lowmem_prunes = (derive_t)val;
789 else if (strcmp(key, "Qcache_queries_in_cache") == 0)
790 qcache_queries_in_cache = (gauge_t)val;
791 } else if (strncmp(key, "Bytes_", strlen("Bytes_")) == 0) {
792 if (strcmp(key, "Bytes_received") == 0)
793 traffic_incoming += val;
794 else if (strcmp(key, "Bytes_sent") == 0)
795 traffic_outgoing += val;
796 } else if (strncmp(key, "Threads_", strlen("Threads_")) == 0) {
797 if (strcmp(key, "Threads_running") == 0)
798 threads_running = (gauge_t)val;
799 else if (strcmp(key, "Threads_connected") == 0)
800 threads_connected = (gauge_t)val;
801 else if (strcmp(key, "Threads_cached") == 0)
802 threads_cached = (gauge_t)val;
803 else if (strcmp(key, "Threads_created") == 0)
804 threads_created = (derive_t)val;
805 } else if (strncmp(key, "Table_locks_", strlen("Table_locks_")) == 0) {
806 derive_submit("mysql_locks", key + strlen("Table_locks_"), val, db);
807 } else if (db->innodb_stats &&
808 strncmp(key, "Innodb_", strlen("Innodb_")) == 0) {
810 if (strcmp(key, "Innodb_buffer_pool_pages_data") == 0)
811 gauge_submit("mysql_bpool_pages", "data", val, db);
812 else if (strcmp(key, "Innodb_buffer_pool_pages_dirty") == 0)
813 gauge_submit("mysql_bpool_pages", "dirty", val, db);
814 else if (strcmp(key, "Innodb_buffer_pool_pages_flushed") == 0)
815 derive_submit("mysql_bpool_counters", "pages_flushed", val, db);
816 else if (strcmp(key, "Innodb_buffer_pool_pages_free") == 0)
817 gauge_submit("mysql_bpool_pages", "free", val, db);
818 else if (strcmp(key, "Innodb_buffer_pool_pages_misc") == 0)
819 gauge_submit("mysql_bpool_pages", "misc", val, db);
820 else if (strcmp(key, "Innodb_buffer_pool_pages_total") == 0)
821 gauge_submit("mysql_bpool_pages", "total", val, db);
822 else if (strcmp(key, "Innodb_buffer_pool_read_ahead_rnd") == 0)
823 derive_submit("mysql_bpool_counters", "read_ahead_rnd", val, db);
824 else if (strcmp(key, "Innodb_buffer_pool_read_ahead") == 0)
825 derive_submit("mysql_bpool_counters", "read_ahead", val, db);
826 else if (strcmp(key, "Innodb_buffer_pool_read_ahead_evicted") == 0)
827 derive_submit("mysql_bpool_counters", "read_ahead_evicted", val, db);
828 else if (strcmp(key, "Innodb_buffer_pool_read_requests") == 0)
829 derive_submit("mysql_bpool_counters", "read_requests", val, db);
830 else if (strcmp(key, "Innodb_buffer_pool_reads") == 0)
831 derive_submit("mysql_bpool_counters", "reads", val, db);
832 else if (strcmp(key, "Innodb_buffer_pool_wait_free") == 0)
833 derive_submit("mysql_bpool_counters", "wait_free", val, db);
834 else if (strcmp(key, "Innodb_buffer_pool_write_requests") == 0)
835 derive_submit("mysql_bpool_counters", "write_requests", val, db);
836 else if (strcmp(key, "Innodb_buffer_pool_bytes_data") == 0)
837 gauge_submit("mysql_bpool_bytes", "data", val, db);
838 else if (strcmp(key, "Innodb_buffer_pool_bytes_dirty") == 0)
839 gauge_submit("mysql_bpool_bytes", "dirty", val, db);
842 if (strcmp(key, "Innodb_data_fsyncs") == 0)
843 derive_submit("mysql_innodb_data", "fsyncs", val, db);
844 else if (strcmp(key, "Innodb_data_read") == 0)
845 derive_submit("mysql_innodb_data", "read", val, db);
846 else if (strcmp(key, "Innodb_data_reads") == 0)
847 derive_submit("mysql_innodb_data", "reads", val, db);
848 else if (strcmp(key, "Innodb_data_writes") == 0)
849 derive_submit("mysql_innodb_data", "writes", val, db);
850 else if (strcmp(key, "Innodb_data_written") == 0)
851 derive_submit("mysql_innodb_data", "written", val, db);
854 else if (strcmp(key, "Innodb_dblwr_writes") == 0)
855 derive_submit("mysql_innodb_dblwr", "writes", val, db);
856 else if (strcmp(key, "Innodb_dblwr_pages_written") == 0)
857 derive_submit("mysql_innodb_dblwr", "written", val, db);
858 else if (strcmp(key, "Innodb_dblwr_page_size") == 0)
859 gauge_submit("mysql_innodb_dblwr", "page_size", val, db);
862 else if (strcmp(key, "Innodb_log_waits") == 0)
863 derive_submit("mysql_innodb_log", "waits", val, db);
864 else if (strcmp(key, "Innodb_log_write_requests") == 0)
865 derive_submit("mysql_innodb_log", "write_requests", val, db);
866 else if (strcmp(key, "Innodb_log_writes") == 0)
867 derive_submit("mysql_innodb_log", "writes", val, db);
868 else if (strcmp(key, "Innodb_os_log_fsyncs") == 0)
869 derive_submit("mysql_innodb_log", "fsyncs", val, db);
870 else if (strcmp(key, "Innodb_os_log_written") == 0)
871 derive_submit("mysql_innodb_log", "written", val, db);
874 else if (strcmp(key, "Innodb_pages_created") == 0)
875 derive_submit("mysql_innodb_pages", "created", val, db);
876 else if (strcmp(key, "Innodb_pages_read") == 0)
877 derive_submit("mysql_innodb_pages", "read", val, db);
878 else if (strcmp(key, "Innodb_pages_written") == 0)
879 derive_submit("mysql_innodb_pages", "written", val, db);
882 else if (strcmp(key, "Innodb_row_lock_time") == 0)
883 derive_submit("mysql_innodb_row_lock", "time", val, db);
884 else if (strcmp(key, "Innodb_row_lock_waits") == 0)
885 derive_submit("mysql_innodb_row_lock", "waits", val, db);
888 else if (strcmp(key, "Innodb_rows_deleted") == 0)
889 derive_submit("mysql_innodb_rows", "deleted", val, db);
890 else if (strcmp(key, "Innodb_rows_inserted") == 0)
891 derive_submit("mysql_innodb_rows", "inserted", val, db);
892 else if (strcmp(key, "Innodb_rows_read") == 0)
893 derive_submit("mysql_innodb_rows", "read", val, db);
894 else if (strcmp(key, "Innodb_rows_updated") == 0)
895 derive_submit("mysql_innodb_rows", "updated", val, db);
896 } else if (strncmp(key, "Select_", strlen("Select_")) == 0) {
897 derive_submit("mysql_select", key + strlen("Select_"), val, db);
898 } else if (strncmp(key, "Sort_", strlen("Sort_")) == 0) {
899 if (strcmp(key, "Sort_merge_passes") == 0)
900 derive_submit("mysql_sort_merge_passes", NULL, val, db);
901 else if (strcmp(key, "Sort_rows") == 0)
902 derive_submit("mysql_sort_rows", NULL, val, db);
903 else if (strcmp(key, "Sort_range") == 0)
904 derive_submit("mysql_sort", "range", val, db);
905 else if (strcmp(key, "Sort_scan") == 0)
906 derive_submit("mysql_sort", "scan", val, db);
908 } else if (strncmp(key, "Slow_queries", strlen("Slow_queries")) == 0) {
909 derive_submit("mysql_slow_queries", NULL, val, db);
910 } else if (strcmp(key, "Uptime") == 0) {
911 gauge_submit("uptime", NULL, val, db);
914 mysql_free_result(res);
917 if ((qcache_hits != 0) || (qcache_inserts != 0) || (qcache_not_cached != 0) ||
918 (qcache_lowmem_prunes != 0)) {
919 derive_submit("cache_result", "qcache-hits", qcache_hits, db);
920 derive_submit("cache_result", "qcache-inserts", qcache_inserts, db);
921 derive_submit("cache_result", "qcache-not_cached", qcache_not_cached, db);
922 derive_submit("cache_result", "qcache-prunes", qcache_lowmem_prunes, db);
924 gauge_submit("cache_size", "qcache", qcache_queries_in_cache, db);
927 if (threads_created != 0) {
928 gauge_submit("threads", "running", threads_running, db);
929 gauge_submit("threads", "connected", threads_connected, db);
930 gauge_submit("threads", "cached", threads_cached, db);
932 derive_submit("total_threads", "created", threads_created, db);
935 traffic_submit(traffic_incoming, traffic_outgoing, db);
937 if (mysql_version >= 50600 && db->innodb_stats)
938 mysql_read_innodb_stats(db, con);
940 if (db->master_stats)
941 mysql_read_master_stats(db, con);
943 if ((db->slave_stats) || (db->slave_notif))
944 mysql_read_slave_stats(db, con);
947 mysql_read_wsrep_stats(db, con);
950 } /* int mysql_read */
952 void module_register(void) {
953 plugin_register_complex_config("mysql", mysql_config);
954 } /* void module_register */