#include <mysql/mysql.h>
#endif
-/* TODO: Understand `Select_*' and possibly do that stuff as well.. */
-
struct mysql_database_s /* {{{ */
{
char *instance;
_Bool master_stats;
_Bool slave_stats;
+ _Bool innodb_stats;
_Bool slave_notif;
_Bool slave_io_running;
status = cf_util_get_boolean (child, &db->slave_stats);
else if (strcasecmp ("SlaveNotifications", child->key) == 0)
status = cf_util_get_boolean (child, &db->slave_notif);
+ else if (strcasecmp ("InnodbStats", child->key) == 0)
+ status = cf_util_get_boolean (child, &db->innodb_stats);
else
{
WARNING ("mysql plugin: Option `%s' not allowed here.", child->key);
plugin_register_complex_read (/* group = */ NULL, cb_name,
mysql_read,
- /* interval = */ NULL, &ud);
+ /* interval = */ 0, &ud);
}
else
{
return (0);
} /* mysql_read_slave_stats */
+static int mysql_read_innodb_stats (mysql_database_t *db, MYSQL *con)
+{
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+
+ char *query;
+ struct {
+ char *key;
+ char *type;
+ int ds_type;
+ } metrics[] = {
+ { "metadata_mem_pool_size", "bytes", DS_TYPE_GAUGE },
+ { "lock_deadlocks", "mysql_locks", DS_TYPE_DERIVE },
+ { "lock_timeouts", "mysql_locks", DS_TYPE_DERIVE },
+ { "lock_row_lock_current_waits", "mysql_locks", DS_TYPE_DERIVE },
+ { "buffer_pool_size", "bytes", DS_TYPE_GAUGE },
+
+ { "buffer_pool_reads", "operations", DS_TYPE_DERIVE },
+ { "buffer_pool_read_requests", "operations", DS_TYPE_DERIVE },
+ { "buffer_pool_write_requests", "operations", DS_TYPE_DERIVE },
+ { "buffer_pool_wait_free", "operations", DS_TYPE_DERIVE },
+ { "buffer_pool_read_ahead", "operations", DS_TYPE_DERIVE },
+ { "buffer_pool_read_ahead_evicted", "operations", DS_TYPE_DERIVE },
+
+ { "buffer_pool_pages_total", "gauge", DS_TYPE_GAUGE },
+ { "buffer_pool_pages_misc", "gauge", DS_TYPE_GAUGE },
+ { "buffer_pool_pages_data", "gauge", DS_TYPE_GAUGE },
+ { "buffer_pool_bytes_data", "gauge", DS_TYPE_GAUGE },
+ { "buffer_pool_pages_dirty", "gauge", DS_TYPE_GAUGE },
+ { "buffer_pool_bytes_dirty", "gauge", DS_TYPE_GAUGE },
+ { "buffer_pool_pages_free", "gauge", DS_TYPE_GAUGE },
+
+ { "buffer_pages_created", "operations", DS_TYPE_DERIVE },
+ { "buffer_pages_written", "operations", DS_TYPE_DERIVE },
+ { "buffer_pages_read", "operations", DS_TYPE_DERIVE },
+ { "buffer_data_reads", "operations", DS_TYPE_DERIVE },
+ { "buffer_data_written", "operations", DS_TYPE_DERIVE },
+
+ { "os_data_reads", "operations", DS_TYPE_DERIVE },
+ { "os_data_writes", "operations", DS_TYPE_DERIVE },
+ { "os_data_fsyncs", "operations", DS_TYPE_DERIVE },
+ { "os_log_bytes_written", "operations", DS_TYPE_DERIVE },
+ { "os_log_fsyncs", "operations", DS_TYPE_DERIVE },
+ { "os_log_pending_fsyncs", "operations", DS_TYPE_DERIVE },
+ { "os_log_pending_writes", "operations", DS_TYPE_DERIVE },
+
+ { "trx_rseg_history_len", "gauge", DS_TYPE_GAUGE },
+
+ { "log_waits", "operations", DS_TYPE_DERIVE },
+ { "log_write_requests", "operations", DS_TYPE_DERIVE },
+ { "log_writes", "operations", DS_TYPE_DERIVE },
+ { "adaptive_hash_searches", "operations", DS_TYPE_DERIVE },
+
+ { "file_num_open_files", "gauge", DS_TYPE_GAUGE },
+
+ { "ibuf_merges_insert", "operations", DS_TYPE_DERIVE },
+ { "ibuf_merges_delete_mark", "operations", DS_TYPE_DERIVE },
+ { "ibuf_merges_delete", "operations", DS_TYPE_DERIVE },
+ { "ibuf_merges_discard_insert", "operations", DS_TYPE_DERIVE },
+ { "ibuf_merges_discard_delete_mark","operations", DS_TYPE_DERIVE },
+ { "ibuf_merges_discard_delete", "operations", DS_TYPE_DERIVE },
+ { "ibuf_merges_discard_merges", "operations", DS_TYPE_DERIVE },
+ { "ibuf_size", "bytes", DS_TYPE_GAUGE },
+
+ { "innodb_activity_count", "gauge", DS_TYPE_GAUGE },
+ { "innodb_dblwr_writes", "operations", DS_TYPE_DERIVE },
+ { "innodb_dblwr_pages_written", "operations", DS_TYPE_DERIVE },
+ { "innodb_dblwr_page_size", "gauge", DS_TYPE_GAUGE },
+
+ { "innodb_rwlock_s_spin_waits", "operations", DS_TYPE_DERIVE },
+ { "innodb_rwlock_x_spin_waits", "operations", DS_TYPE_DERIVE },
+ { "innodb_rwlock_s_spin_rounds", "operations", DS_TYPE_DERIVE },
+ { "innodb_rwlock_x_spin_rounds", "operations", DS_TYPE_DERIVE },
+ { "innodb_rwlock_s_os_waits", "operations", DS_TYPE_DERIVE },
+ { "innodb_rwlock_x_os_waits", "operations", DS_TYPE_DERIVE },
+
+ { "dml_reads", "operations", DS_TYPE_DERIVE },
+ { "dml_inserts", "operations", DS_TYPE_DERIVE },
+ { "dml_deletes", "operations", DS_TYPE_DERIVE },
+ { "dml_updates", "operations", DS_TYPE_DERIVE },
+
+ { NULL, NULL, 0}
+ };
+
+ query = "SELECT name, count, type FROM information_schema.innodb_metrics WHERE status = 'enabled'";
+
+ res = exec_query (con, query);
+ if (res == NULL)
+ return (-1);
+
+ while ((row = mysql_fetch_row (res)))
+ {
+ int i;
+ char *key;
+ unsigned long long val;
+
+ key = row[0];
+ val = atoll (row[1]);
+
+ for (i = 0;
+ metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0;
+ i++)
+ ;
+
+ if (metrics[i].key == NULL)
+ continue;
+
+ switch (metrics[i].ds_type) {
+ case DS_TYPE_COUNTER:
+ counter_submit(metrics[i].type, key, (counter_t)val, db);
+ break;
+ case DS_TYPE_GAUGE:
+ gauge_submit(metrics[i].type, key, (gauge_t)val, db);
+ break;
+ case DS_TYPE_DERIVE:
+ derive_submit(metrics[i].type, key, (derive_t)val, db);
+ break;
+ }
+ }
+
+ mysql_free_result(res);
+ return (0);
+}
+
static int mysql_read (user_data_t *ud)
{
mysql_database_t *db;
unsigned long long traffic_incoming = 0ULL;
unsigned long long traffic_outgoing = 0ULL;
+ unsigned long mysql_version = 0ULL;
if ((ud == NULL) || (ud->data == NULL))
{
if ((con = getconnection (db)) == NULL)
return (-1);
+ mysql_version = mysql_get_server_version(con);
+
query = "SHOW STATUS";
- if (mysql_get_server_version (con) >= 50002)
+ if (mysql_version >= 50002)
query = "SHOW GLOBAL STATUS";
res = exec_query (con, query);
key + strlen ("Table_locks_"),
val, db);
}
+ else if (db->innodb_stats && strncmp (key, "Innodb_", strlen ("Innodb_")) == 0)
+ {
+ /* buffer pool */
+ if (strcmp (key, "Innodb_buffer_pool_pages_data") == 0)
+ gauge_submit ("mysql_bpool_pages", "data", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_dirty") == 0)
+ gauge_submit ("mysql_bpool_pages", "dirty", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_flushed") == 0)
+ counter_submit ("mysql_bpool_counters", "pages_flushed", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_free") == 0)
+ gauge_submit ("mysql_bpool_pages", "free", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_misc") == 0)
+ gauge_submit ("mysql_bpool_pages", "misc", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_total") == 0)
+ gauge_submit ("mysql_bpool_pages", "total", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_ahead_rnd") == 0)
+ counter_submit ("mysql_bpool_counters", "read_ahead_rnd", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_ahead") == 0)
+ counter_submit ("mysql_bpool_counters", "read_ahead", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_ahead_evicted") == 0)
+ counter_submit ("mysql_bpool_counters", "read_ahead_evicted", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_requests") == 0)
+ counter_submit ("mysql_bpool_counters", "read_requests", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_reads") == 0)
+ counter_submit ("mysql_bpool_counters", "reads", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_write_requests") == 0)
+ counter_submit ("mysql_bpool_counters", "write_requests", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_bytes_data") == 0)
+ gauge_submit ("mysql_bpool_bytes", "data", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_bytes_dirty") == 0)
+ gauge_submit ("mysql_bpool_bytes", "dirty", val, db);
+
+ /* data */
+ if (strcmp (key, "Innodb_data_fsyncs") == 0)
+ counter_submit ("mysql_innodb_data", "fsyncs", val, db);
+ else if (strcmp (key, "Innodb_data_read") == 0)
+ counter_submit ("mysql_innodb_data", "read", val, db);
+ else if (strcmp (key, "Innodb_data_reads") == 0)
+ counter_submit ("mysql_innodb_data", "reads", val, db);
+ else if (strcmp (key, "Innodb_data_writes") == 0)
+ counter_submit ("mysql_innodb_data", "writes", val, db);
+ else if (strcmp (key, "Innodb_data_written") == 0)
+ counter_submit ("mysql_innodb_data", "written", val, db);
+
+ /* double write */
+ else if (strcmp (key, "Innodb_dblwr_writes") == 0)
+ counter_submit ("mysql_innodb_dblwr", "writes", val, db);
+ else if (strcmp (key, "Innodb_dblwr_pages_written") == 0)
+ counter_submit ("mysql_innodb_dblwr", "written", val, db);
+
+ /* log */
+ else if (strcmp (key, "Innodb_log_waits") == 0)
+ counter_submit ("mysql_innodb_log", "waits", val, db);
+ else if (strcmp (key, "Innodb_log_write_requests") == 0)
+ counter_submit ("mysql_innodb_log", "write_requests", val, db);
+ else if (strcmp (key, "Innodb_log_writes") == 0)
+ counter_submit ("mysql_innodb_log", "writes", val, db);
+ else if (strcmp (key, "Innodb_os_log_fsyncs") == 0)
+ counter_submit ("mysql_innodb_log", "fsyncs", val, db);
+ else if (strcmp (key, "Innodb_os_log_written") == 0)
+ counter_submit ("mysql_innodb_log", "written", val, db);
+
+ /* pages */
+ else if (strcmp (key, "Innodb_pages_created") == 0)
+ counter_submit ("mysql_innodb_pages", "created", val, db);
+ else if (strcmp (key, "Innodb_pages_read") == 0)
+ counter_submit ("mysql_innodb_pages", "read", val, db);
+ else if (strcmp (key, "Innodb_pages_written") == 0)
+ counter_submit ("mysql_innodb_pages", "written", val, db);
+
+ /* row lock */
+ else if (strcmp (key, "Innodb_row_lock_time") == 0)
+ counter_submit ("mysql_innodb_row_lock", "time", val, db);
+ else if (strcmp (key, "Innodb_row_lock_waits") == 0)
+ counter_submit ("mysql_innodb_row_lock", "waits", val, db);
+
+ /* rows */
+ else if (strcmp (key, "Innodb_rows_deleted") == 0)
+ counter_submit ("mysql_innodb_rows", "deleted", val, db);
+ else if (strcmp (key, "Innodb_rows_inserted") == 0)
+ counter_submit ("mysql_innodb_rows", "inserted", val, db);
+ else if (strcmp (key, "Innodb_rows_read") == 0)
+ counter_submit ("mysql_innodb_rows", "read", val, db);
+ else if (strcmp (key, "Innodb_rows_updated") == 0)
+ counter_submit ("mysql_innodb_rows", "updated", val, db);
+ }
+ else if (strncmp (key, "Select_", strlen ("Select_")) == 0)
+ {
+ counter_submit ("mysql_select", key + strlen ("Select_"),
+ val, db);
+ }
+ else if (strncmp (key, "Sort_", strlen ("Sort_")) == 0)
+ {
+ counter_submit ("mysql_sort", key + strlen ("Sort_"),
+ val, db);
+ }
}
mysql_free_result (res); res = NULL;
traffic_submit (traffic_incoming, traffic_outgoing, db);
+ if (mysql_version >= 50600 && db->innodb_stats)
+ mysql_read_innodb_stats (db, con);
+
if (db->master_stats)
mysql_read_master_stats (db, con);