static int mysql_read (user_data_t *ud) { mysql_database_t *db; MYSQL *con; MYSQL_RES *res; MYSQL_ROW row; char *query; derive_t qcache_hits = 0; derive_t qcache_inserts = 0; derive_t qcache_not_cached = 0; derive_t qcache_lowmem_prunes = 0; gauge_t qcache_queries_in_cache = NAN; gauge_t threads_running = NAN; gauge_t threads_connected = NAN; gauge_t threads_cached = NAN; derive_t threads_created = 0; unsigned long long traffic_incoming = 0ULL; unsigned long long traffic_outgoing = 0ULL; if ((ud == NULL) || (ud->data == NULL)) { ERROR ("mysql plugin: mysql_database_read: Invalid user data."); return (-1); } db = (mysql_database_t *) ud->data; /* An error message will have been printed in this case */ if ((con = getconnection (db)) == NULL) return (-1); query = "SHOW STATUS"; if (mysql_get_server_version (con) >= 50002) query = "SHOW GLOBAL STATUS"; res = exec_query (con, query); if (res == NULL) return (-1); while ((row = mysql_fetch_row (res))) { char *key; unsigned long long val; key = row[0]; val = atoll (row[1]); if (strncmp (key, "Com_", strlen ("Com_")) == 0) { if (val == 0ULL) continue; /* Ignore `prepared statements' */ if (strncmp (key, "Com_stmt_", strlen ("Com_stmt_")) != 0) counter_submit ("mysql_commands", key + strlen ("Com_"), val, db); } else if (strncmp (key, "Handler_", strlen ("Handler_")) == 0) { if (val == 0ULL) continue; counter_submit ("mysql_handler", key + strlen ("Handler_"), val, db); } else if (strncmp (key, "Qcache_", strlen ("Qcache_")) == 0) { if (strcmp (key, "Qcache_hits") == 0) qcache_hits = (derive_t) val; else if (strcmp (key, "Qcache_inserts") == 0) qcache_inserts = (derive_t) val; else if (strcmp (key, "Qcache_not_cached") == 0) qcache_not_cached = (derive_t) val; else if (strcmp (key, "Qcache_lowmem_prunes") == 0) qcache_lowmem_prunes = (derive_t) val; else if (strcmp (key, "Qcache_queries_in_cache") == 0) qcache_queries_in_cache = (gauge_t) val; } else if (strncmp (key, "Bytes_", strlen ("Bytes_")) == 0) { if (strcmp (key, "Bytes_received") == 0) traffic_incoming += val; else if (strcmp (key, "Bytes_sent") == 0) traffic_outgoing += val; } else if (strncmp (key, "Threads_", strlen ("Threads_")) == 0) { if (strcmp (key, "Threads_running") == 0) threads_running = (gauge_t) val; else if (strcmp (key, "Threads_connected") == 0) threads_connected = (gauge_t) val; else if (strcmp (key, "Threads_cached") == 0) threads_cached = (gauge_t) val; else if (strcmp (key, "Threads_created") == 0) threads_created = (derive_t) val; } else if (strncmp (key, "Table_locks_", strlen ("Table_locks_")) == 0) { counter_submit ("mysql_locks", key + strlen ("Table_locks_"), val, db); } } mysql_free_result (res); res = NULL; if ((qcache_hits != 0) || (qcache_inserts != 0) || (qcache_not_cached != 0) || (qcache_lowmem_prunes != 0)) { derive_submit ("cache_result", "qcache-hits", qcache_hits, db); derive_submit ("cache_result", "qcache-inserts", qcache_inserts, db); derive_submit ("cache_result", "qcache-not_cached", qcache_not_cached, db); derive_submit ("cache_result", "qcache-prunes", qcache_lowmem_prunes, db); gauge_submit ("cache_size", "qcache", qcache_queries_in_cache, db); } if (threads_created != 0) { gauge_submit ("threads", "running", threads_running, db); gauge_submit ("threads", "connected", threads_connected, db); gauge_submit ("threads", "cached", threads_cached, db); derive_submit ("total_threads", "created", threads_created, db); } traffic_submit (traffic_incoming, traffic_outgoing, db); if (db->master_stats) mysql_read_master_stats (db, con); if ((db->slave_stats) || (db->slave_notif)) mysql_read_slave_stats (db, con); return (0); } /* int mysql_read */
static int vserver_read (void) { #if NAME_MAX < 1024 # define DIRENT_BUFFER_SIZE (sizeof (struct dirent) + 1024 + 1) #else # define DIRENT_BUFFER_SIZE (sizeof (struct dirent) + NAME_MAX + 1) #endif DIR *proc; struct dirent *dent; /* 42 */ char dirent_buffer[DIRENT_BUFFER_SIZE]; errno = 0; proc = opendir (PROCDIR); if (proc == NULL) { char errbuf[1024]; ERROR ("vserver plugin: fopen (%s): %s", PROCDIR, sstrerror (errno, errbuf, sizeof (errbuf))); return (-1); } while (42) { int len; char file[BUFSIZE]; FILE *fh; char buffer[BUFSIZE]; struct stat statbuf; char *cols[4]; int status; status = readdir_r (proc, (struct dirent *) dirent_buffer, &dent); if (status != 0) { char errbuf[4096]; ERROR ("vserver plugin: readdir_r failed: %s", sstrerror (errno, errbuf, sizeof (errbuf))); closedir (proc); return (-1); } else if (dent == NULL) { /* end of directory */ break; } if (dent->d_name[0] == '.') continue; len = ssnprintf (file, sizeof (file), PROCDIR "/%s", dent->d_name); if ((len < 0) || (len >= BUFSIZE)) continue; status = stat (file, &statbuf); if (status != 0) { char errbuf[4096]; WARNING ("vserver plugin: stat (%s) failed: %s", file, sstrerror (errno, errbuf, sizeof (errbuf))); continue; } if (!S_ISDIR (statbuf.st_mode)) continue; /* socket message accounting */ len = ssnprintf (file, sizeof (file), PROCDIR "/%s/cacct", dent->d_name); if ((len < 0) || ((size_t) len >= sizeof (file))) continue; if (NULL == (fh = fopen (file, "r"))) { char errbuf[1024]; ERROR ("Cannot open '%s': %s", file, sstrerror (errno, errbuf, sizeof (errbuf))); } while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh))) { derive_t rx; derive_t tx; char *type_instance; if (strsplit (buffer, cols, 4) < 4) continue; if (0 == strcmp (cols[0], "UNIX:")) type_instance = "unix"; else if (0 == strcmp (cols[0], "INET:")) type_instance = "inet"; else if (0 == strcmp (cols[0], "INET6:")) type_instance = "inet6"; else if (0 == strcmp (cols[0], "OTHER:")) type_instance = "other"; else if (0 == strcmp (cols[0], "UNSPEC:")) type_instance = "unspec"; else continue; rx = vserver_get_sock_bytes (cols[1]); tx = vserver_get_sock_bytes (cols[2]); /* cols[3] == errors */ traffic_submit (dent->d_name, type_instance, rx, tx); } /* while (fgets) */ if (fh != NULL) { fclose (fh); fh = NULL; } /* thread information and load */ len = ssnprintf (file, sizeof (file), PROCDIR "/%s/cvirt", dent->d_name); if ((len < 0) || ((size_t) len >= sizeof (file))) continue; if (NULL == (fh = fopen (file, "r"))) { char errbuf[1024]; ERROR ("Cannot open '%s': %s", file, sstrerror (errno, errbuf, sizeof (errbuf))); } while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh))) { int n = strsplit (buffer, cols, 4); if (2 == n) { char *type_instance; gauge_t value; if (0 == strcmp (cols[0], "nr_threads:")) type_instance = "total"; else if (0 == strcmp (cols[0], "nr_running:")) type_instance = "running"; else if (0 == strcmp (cols[0], "nr_unintr:")) type_instance = "uninterruptable"; else if (0 == strcmp (cols[0], "nr_onhold:")) type_instance = "onhold"; else continue; value = atof (cols[1]); submit_gauge (dent->d_name, "vs_threads", type_instance, value); } else if (4 == n) { if (0 == strcmp (cols[0], "loadavg:")) { gauge_t snum = atof (cols[1]); gauge_t mnum = atof (cols[2]); gauge_t lnum = atof (cols[3]); load_submit (dent->d_name, snum, mnum, lnum); } } } /* while (fgets) */ if (fh != NULL) { fclose (fh); fh = NULL; } /* processes and memory usage */ len = ssnprintf (file, sizeof (file), PROCDIR "/%s/limit", dent->d_name); if ((len < 0) || ((size_t) len >= sizeof (file))) continue; if (NULL == (fh = fopen (file, "r"))) { char errbuf[1024]; ERROR ("Cannot open '%s': %s", file, sstrerror (errno, errbuf, sizeof (errbuf))); } while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh))) { char *type = "vs_memory"; char *type_instance; gauge_t value; if (strsplit (buffer, cols, 2) < 2) continue; if (0 == strcmp (cols[0], "PROC:")) { type = "vs_processes"; type_instance = ""; value = atof (cols[1]); } else { if (0 == strcmp (cols[0], "VM:")) type_instance = "vm"; else if (0 == strcmp (cols[0], "VML:")) type_instance = "vml"; else if (0 == strcmp (cols[0], "RSS:")) type_instance = "rss"; else if (0 == strcmp (cols[0], "ANON:")) type_instance = "anon"; else continue; value = atof (cols[1]) * pagesize; } submit_gauge (dent->d_name, type, type_instance, value); } /* while (fgets) */ if (fh != NULL) { fclose (fh); fh = NULL; } } /* while (readdir) */ closedir (proc); return (0); } /* int vserver_read */
static int mysql_read (user_data_t *ud) { mysql_database_t *db; MYSQL *con; MYSQL_RES *res; MYSQL_ROW row; const char *query; derive_t qcache_hits = 0; derive_t qcache_inserts = 0; derive_t qcache_not_cached = 0; derive_t qcache_lowmem_prunes = 0; gauge_t qcache_queries_in_cache = NAN; gauge_t threads_running = NAN; gauge_t threads_connected = NAN; gauge_t threads_cached = NAN; derive_t threads_created = 0; unsigned long long traffic_incoming = 0ULL; unsigned long long traffic_outgoing = 0ULL; unsigned long mysql_version = 0ULL; if ((ud == NULL) || (ud->data == NULL)) { ERROR ("mysql plugin: mysql_database_read: Invalid user data."); return (-1); } db = (mysql_database_t *) ud->data; /* An error message will have been printed in this case */ if ((con = getconnection (db)) == NULL) return (-1); mysql_version = mysql_get_server_version(con); query = "SHOW STATUS"; if (mysql_version >= 50002) query = "SHOW GLOBAL STATUS"; res = exec_query (con, query); if (res == NULL) return (-1); while ((row = mysql_fetch_row (res))) { char *key; unsigned long long val; key = row[0]; val = atoll (row[1]); if (strncmp (key, "Com_", strlen ("Com_")) == 0) { if (val == 0ULL) continue; /* Ignore `prepared statements' */ if (strncmp (key, "Com_stmt_", strlen ("Com_stmt_")) != 0) counter_submit ("mysql_commands", key + strlen ("Com_"), val, db); } else if (strncmp (key, "Handler_", strlen ("Handler_")) == 0) { if (val == 0ULL) continue; counter_submit ("mysql_handler", key + strlen ("Handler_"), val, db); } else if (strncmp (key, "Qcache_", strlen ("Qcache_")) == 0) { if (strcmp (key, "Qcache_hits") == 0) qcache_hits = (derive_t) val; else if (strcmp (key, "Qcache_inserts") == 0) qcache_inserts = (derive_t) val; else if (strcmp (key, "Qcache_not_cached") == 0) qcache_not_cached = (derive_t) val; else if (strcmp (key, "Qcache_lowmem_prunes") == 0) qcache_lowmem_prunes = (derive_t) val; else if (strcmp (key, "Qcache_queries_in_cache") == 0) qcache_queries_in_cache = (gauge_t) val; } else if (strncmp (key, "Bytes_", strlen ("Bytes_")) == 0) { if (strcmp (key, "Bytes_received") == 0) traffic_incoming += val; else if (strcmp (key, "Bytes_sent") == 0) traffic_outgoing += val; } else if (strncmp (key, "Threads_", strlen ("Threads_")) == 0) { if (strcmp (key, "Threads_running") == 0) threads_running = (gauge_t) val; else if (strcmp (key, "Threads_connected") == 0) threads_connected = (gauge_t) val; else if (strcmp (key, "Threads_cached") == 0) threads_cached = (gauge_t) val; else if (strcmp (key, "Threads_created") == 0) threads_created = (derive_t) val; } else if (strncmp (key, "Table_locks_", strlen ("Table_locks_")) == 0) { counter_submit ("mysql_locks", 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) { if (strcmp (key, "Sort_merge_passes") == 0) counter_submit ("mysql_sort_merge_passes", NULL, val, db); else if (strcmp (key, "Sort_rows") == 0) counter_submit ("mysql_sort_rows", NULL, val, db); else if (strcmp (key, "Sort_range") == 0) counter_submit ("mysql_sort", "range", val, db); else if (strcmp (key, "Sort_scan") == 0) counter_submit ("mysql_sort", "scan", val, db); } else if (strncmp (key, "Slow_queries", strlen ("Slow_queries")) == 0) { counter_submit ("mysql_slow_queries", NULL , val, db); } } mysql_free_result (res); res = NULL; if ((qcache_hits != 0) || (qcache_inserts != 0) || (qcache_not_cached != 0) || (qcache_lowmem_prunes != 0)) { derive_submit ("cache_result", "qcache-hits", qcache_hits, db); derive_submit ("cache_result", "qcache-inserts", qcache_inserts, db); derive_submit ("cache_result", "qcache-not_cached", qcache_not_cached, db); derive_submit ("cache_result", "qcache-prunes", qcache_lowmem_prunes, db); gauge_submit ("cache_size", "qcache", qcache_queries_in_cache, db); } if (threads_created != 0) { gauge_submit ("threads", "running", threads_running, db); gauge_submit ("threads", "connected", threads_connected, db); gauge_submit ("threads", "cached", threads_cached, db); derive_submit ("total_threads", "created", threads_created, db); } 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); if ((db->slave_stats) || (db->slave_notif)) mysql_read_slave_stats (db, con); if (db->wsrep_stats) mysql_read_wsrep_stats (db, con); return (0); } /* int mysql_read */
static int mysql_read (user_data_t *ud) { mysql_database_t *db; MYSQL *con; MYSQL_RES *res; MYSQL_ROW row; char *query; int field_num; unsigned long long qcache_hits = 0ULL; unsigned long long qcache_inserts = 0ULL; unsigned long long qcache_not_cached = 0ULL; unsigned long long qcache_lowmem_prunes = 0ULL; int qcache_queries_in_cache = -1; int threads_running = -1; int threads_connected = -1; int threads_cached = -1; unsigned long long threads_created = 0ULL; unsigned long long traffic_incoming = 0ULL; unsigned long long traffic_outgoing = 0ULL; if ((ud == NULL) || (ud->data == NULL)) { ERROR ("mysql plugin: mysql_database_read: Invalid user data."); return (-1); } db = (mysql_database_t *) ud->data; /* An error message will have been printed in this case */ if ((con = getconnection (db)) == NULL) return (-1); query = "SHOW STATUS"; if (mysql_get_server_version (con) >= 50002) query = "SHOW GLOBAL STATUS"; res = exec_query (con, query); if (res == NULL) return (-1); field_num = mysql_num_fields (res); while ((row = mysql_fetch_row (res))) { char *key; unsigned long long val; key = row[0]; val = atoll (row[1]); if (strncmp (key, "Com_", 4) == 0) { if (val == 0ULL) continue; /* Ignore `prepared statements' */ if (strncmp (key, "Com_stmt_", 9) != 0) counter_submit ("mysql_commands", key + 4, val, db); } else if (strncmp (key, "Handler_", 8) == 0) { if (val == 0ULL) continue; counter_submit ("mysql_handler", key + 8, val, db); } else if (strncmp (key, "Qcache_", 7) == 0) { if (strcmp (key, "Qcache_hits") == 0) qcache_hits = val; else if (strcmp (key, "Qcache_inserts") == 0) qcache_inserts = val; else if (strcmp (key, "Qcache_not_cached") == 0) qcache_not_cached = val; else if (strcmp (key, "Qcache_lowmem_prunes") == 0) qcache_lowmem_prunes = val; else if (strcmp (key, "Qcache_queries_in_cache") == 0) qcache_queries_in_cache = (int) val; } else if (strncmp (key, "Bytes_", 6) == 0) { if (strcmp (key, "Bytes_received") == 0) traffic_incoming += val; else if (strcmp (key, "Bytes_sent") == 0) traffic_outgoing += val; } else if (strncmp (key, "Threads_", 8) == 0) { if (strcmp (key, "Threads_running") == 0) threads_running = (int) val; else if (strcmp (key, "Threads_connected") == 0) threads_connected = (int) val; else if (strcmp (key, "Threads_cached") == 0) threads_cached = (int) val; else if (strcmp (key, "Threads_created") == 0) threads_created = val; } } mysql_free_result (res); res = NULL; if ((qcache_hits != 0ULL) || (qcache_inserts != 0ULL) || (qcache_not_cached != 0ULL) || (qcache_lowmem_prunes != 0ULL)) qcache_submit (qcache_hits, qcache_inserts, qcache_not_cached, qcache_lowmem_prunes, qcache_queries_in_cache, db); if (threads_created != 0ULL) threads_submit (threads_running, threads_connected, threads_cached, threads_created, db); traffic_submit (traffic_incoming, traffic_outgoing, db); if (db->master_stats) mysql_read_master_stats (db, con); if ((db->slave_stats) || (db->slave_notif)) mysql_read_slave_stats (db, con); return (0); } /* int mysql_read */