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sysbench/src/db_driver.c
Alexey Kopytov 92b1426276 Use --db-driver=mysql by default, if the MySQL driver is available. 
If the MySQL driver is available and --db-driver option was explicitly
specified, assume MySQL and don't compain about multiple DB drivers
being available.

That was a popular request and is likely what most sysbench users want.
2018-04-02 11:20:55 +03:00

1109 lines
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/*
Copyright (C) 2004 MySQL AB
Copyright (C) 2004-2017 Alexey Kopytov <akopytov@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef _WIN32
#include "sb_win.h"
#endif
#ifdef STDC_HEADERS
# include <ctype.h>
# include <inttypes.h>
# include <stdbool.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <pthread.h>
#include "db_driver.h"
#include "sb_list.h"
#include "sb_histogram.h"
#include "sb_ck_pr.h"
/* Query length limit for bulk insert queries */
#define BULK_PACKET_SIZE (512*1024)
/* How many rows to insert before COMMITs (used in bulk insert) */
#define ROWS_BEFORE_COMMIT 1000
/* Global variables */
db_globals_t db_globals CK_CC_CACHELINE;
static sb_list_t drivers; /* list of available DB drivers */
static uint8_t stats_enabled;
static bool db_global_initialized;
static pthread_once_t db_global_once = PTHREAD_ONCE_INIT;
/* Timers used in debug mode */
static sb_timer_t *exec_timers;
static sb_timer_t *fetch_timers;
/* Static functions */
static int db_parse_arguments(void);
#if 0
static void db_free_row(db_row_t *);
#endif
static int db_bulk_do_insert(db_conn_t *, int);
static void db_reset_stats(void);
static int db_free_results_int(db_conn_t *con);
/* DB layer arguments */
static sb_arg_t db_args[] =
{
SB_OPT("db-driver", "specifies database driver to use "
"('help' to get list of available drivers)",
#ifdef USE_MYSQL
"mysql",
#else
NULL,
#endif
STRING),
SB_OPT("db-ps-mode", "prepared statements usage mode {auto, disable}", "auto",
STRING),
SB_OPT("db-debug", "print database-specific debug information", "off", BOOL),
SB_OPT_END
};
/* Register available database drivers and command line arguments */
int db_register(void)
{
sb_list_item_t *pos;
db_driver_t *drv;
/* Register database drivers */
SB_LIST_INIT(&drivers);
#ifdef USE_MYSQL
register_driver_mysql(&drivers);
#endif
#ifdef USE_DRIZZLE
register_driver_drizzle(&drivers);
#endif
#ifdef USE_ATTACHSQL
register_driver_attachsql(&drivers);
#endif
#ifdef USE_DRIZZLECLIENT
register_driver_drizzleclient(&drivers);
#endif
#ifdef USE_ORACLE
register_driver_oracle(&drivers);
#endif
#ifdef USE_PGSQL
register_driver_pgsql(&drivers);
#endif
/* Register command line options for each driver */
SB_LIST_FOR_EACH(pos, &drivers)
{
drv = SB_LIST_ENTRY(pos, db_driver_t, listitem);
if (drv->args != NULL)
sb_register_arg_set(drv->args);
drv->initialized = false;
pthread_mutex_init(&drv->mutex, NULL);
}
/* Register general command line arguments for DB API */
sb_register_arg_set(db_args);
return 0;
}
/* Print list of available drivers and their options */
void db_print_help(void)
{
sb_list_item_t *pos;
db_driver_t *drv;
log_text(LOG_NOTICE, "General database options:\n");
sb_print_options(db_args);
log_text(LOG_NOTICE, "");
log_text(LOG_NOTICE, "Compiled-in database drivers:");
SB_LIST_FOR_EACH(pos, &drivers)
{
drv = SB_LIST_ENTRY(pos, db_driver_t, listitem);
log_text(LOG_NOTICE, " %s - %s", drv->sname, drv->lname);
}
log_text(LOG_NOTICE, "");
SB_LIST_FOR_EACH(pos, &drivers)
{
drv = SB_LIST_ENTRY(pos, db_driver_t, listitem);
log_text(LOG_NOTICE, "%s options:", drv->sname);
sb_print_options(drv->args);
}
}
static void enable_print_stats(void)
{
ck_pr_fence_store();
ck_pr_store_8(&stats_enabled, 1);
}
static void disable_print_stats(void)
{
ck_pr_store_8(&stats_enabled, 0);
ck_pr_fence_store();
}
static bool check_print_stats(void)
{
bool rc = ck_pr_load_8(&stats_enabled) == 1;
ck_pr_fence_load();
return rc;
}
static void db_init(void)
{
if (SB_LIST_IS_EMPTY(&drivers))
{
log_text(LOG_FATAL, "No DB drivers available");
return;
}
if (db_parse_arguments())
return;
/* Initialize timers if in debug mode */
if (db_globals.debug)
{
exec_timers = sb_alloc_per_thread_array(sizeof(sb_timer_t));
fetch_timers = sb_alloc_per_thread_array(sizeof(sb_timer_t));
}
db_reset_stats();
enable_print_stats();
db_global_initialized = true;
}
/*
Initialize a driver specified by 'name' and return a handle to it
If NULL is passed as a name, then use the driver passed in --db-driver
command line option
*/
db_driver_t *db_create(const char *name)
{
db_driver_t *drv = NULL;
db_driver_t *tmp;
sb_list_item_t *pos;
pthread_once(&db_global_once, db_init);
if (!db_global_initialized)
goto err;
if (name == NULL && db_globals.driver == NULL)
{
drv = SB_LIST_ENTRY(SB_LIST_ITEM_NEXT(&drivers), db_driver_t, listitem);
/* Is it the only driver available? */
if (SB_LIST_ITEM_NEXT(&(drv->listitem)) ==
SB_LIST_ITEM_PREV(&(drv->listitem)))
log_text(LOG_INFO, "No DB drivers specified, using %s", drv->sname);
else
{
log_text(LOG_FATAL, "Multiple DB drivers are available. "
"Use --db-driver=name to specify which one to use");
goto err;
}
}
else
{
if (name == NULL)
name = db_globals.driver;
SB_LIST_FOR_EACH(pos, &drivers)
{
tmp = SB_LIST_ENTRY(pos, db_driver_t, listitem);
if (!strcmp(tmp->sname, name))
{
drv = tmp;
break;
}
}
}
if (drv == NULL)
{
log_text(LOG_FATAL, "invalid database driver name: '%s'", name);
goto err;
}
/* Initialize database driver only once */
pthread_mutex_lock(&drv->mutex);
if (!drv->initialized)
{
if (drv->ops.init())
{
pthread_mutex_unlock(&drv->mutex);
goto err;
}
drv->initialized = true;
}
pthread_mutex_unlock(&drv->mutex);
if (drv->ops.thread_init != NULL && drv->ops.thread_init(sb_tls_thread_id))
{
log_text(LOG_FATAL, "thread-local driver initialization failed.");
return NULL;
}
return drv;
err:
return NULL;
}
/* Deinitialize a driver object */
int db_destroy(db_driver_t *drv)
{
if (drv->ops.thread_done != NULL)
return drv->ops.thread_done(sb_tls_thread_id);
return 0;
}
/* Describe database capabilities */
int db_describe(db_driver_t *drv, drv_caps_t *caps)
{
if (drv->ops.describe == NULL)
return 1;
return drv->ops.describe(caps);
}
/* Connect to database */
db_conn_t *db_connection_create(db_driver_t *drv)
{
db_conn_t *con;
SB_COMPILE_TIME_ASSERT(sizeof(db_conn_t) % CK_MD_CACHELINE == 0);
con = (db_conn_t *)calloc(1, sizeof(db_conn_t));
if (con == NULL)
return NULL;
con->driver = drv;
con->state = DB_CONN_READY;
con->thread_id = sb_tls_thread_id;
if (drv->ops.connect(con))
{
free(con);
return NULL;
}
return con;
}
/* Disconnect from database */
int db_connection_close(db_conn_t *con)
{
int rc;
db_driver_t *drv = con->driver;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to close an already closed connection");
return 0;
}
else if (con->state == DB_CONN_RESULT_SET)
{
db_free_results_int(con);
}
rc = drv->ops.disconnect(con);
con->state = DB_CONN_INVALID;
return rc;
}
/* Reconnect with the same connection parameters */
int db_connection_reconnect(db_conn_t *con)
{
int rc;
db_driver_t *drv = con->driver;
if (drv->ops.reconnect == NULL)
{
log_text(LOG_ALERT, "reconnect is not supported by the current driver");
return 0;
}
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to close an already closed connection");
return 0;
}
else if (con->state == DB_CONN_RESULT_SET)
{
db_free_results_int(con);
}
rc = drv->ops.reconnect(con);
if (rc == DB_ERROR_FATAL)
{
con->state = DB_CONN_INVALID;
sb_counter_inc(con->thread_id, SB_CNT_ERROR);
}
else
{
con->state = DB_CONN_READY;
sb_counter_inc(con->thread_id, SB_CNT_RECONNECT);
/* Clear DB_ERROR_IGNORABLE */
rc = DB_ERROR_NONE;
}
return rc;
}
/* Disconnect and release memory allocated by a connection object */
void db_connection_free(db_conn_t *con)
{
if (con->state != DB_CONN_INVALID)
db_connection_close(con);
free(con);
}
/* Prepare statement */
db_stmt_t *db_prepare(db_conn_t *con, const char *query, size_t len)
{
db_stmt_t *stmt;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return NULL;
}
stmt = (db_stmt_t *)calloc(1, sizeof(db_stmt_t));
if (stmt == NULL)
return NULL;
stmt->connection = con;
if (con->driver->ops.prepare(stmt, query, len))
{
con->error = DB_ERROR_FATAL;
free(stmt);
return NULL;
}
return stmt;
}
/* Bind parameters for prepared statement */
int db_bind_param(db_stmt_t *stmt, db_bind_t *params, size_t len)
{
db_conn_t *con = stmt->connection;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return 1;
}
return con->driver->ops.bind_param(stmt, params, len);
}
/* Bind results for prepared statement */
int db_bind_result(db_stmt_t *stmt, db_bind_t *results, size_t len)
{
db_conn_t *con = stmt->connection;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return 1;
}
return con->driver->ops.bind_result(stmt, results, len);
}
/* Execute prepared statement */
db_result_t *db_execute(db_stmt_t *stmt)
{
db_conn_t *con = stmt->connection;
db_result_t *rs = &con->rs;
int rc;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return NULL;
}
else if (con->state == DB_CONN_RESULT_SET &&
(rc = db_free_results_int(con)) != 0)
{
return NULL;
}
rs->statement = stmt;
con->error = con->driver->ops.execute(stmt, rs);
sb_counter_inc(con->thread_id, rs->counter);
if (SB_LIKELY(con->error == DB_ERROR_NONE))
{
if (rs->counter == SB_CNT_READ)
{
con->state = DB_CONN_RESULT_SET;
return rs;
}
con->state = DB_CONN_READY;
return NULL;
}
return NULL;
}
/* Fetch row from result set of a query */
db_row_t *db_fetch_row(db_result_t *rs)
{
db_conn_t *con = SB_CONTAINER_OF(rs, db_conn_t, rs);
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return NULL;
}
else if (con->state != DB_CONN_RESULT_SET)
{
log_text(LOG_ALERT, "attempt to fetch row from an invalid result set");
return NULL;
}
if (con->driver->ops.fetch_row == NULL)
{
log_text(LOG_ALERT, "fetching rows is not supported by the driver");
}
if (rs->nrows == 0 || rs->nfields == 0)
{
log_text(LOG_ALERT, "attempt to fetch row from an empty result set");
return NULL;
}
if (rs->row.values == NULL)
{
rs->row.values = malloc(rs->nfields * sizeof(db_value_t));
}
if (con->driver->ops.fetch_row(rs, &rs->row))
{
return NULL;
}
return &rs->row;
}
/* Execute non-prepared statement */
db_result_t *db_query(db_conn_t *con, const char *query, size_t len)
{
db_result_t *rs = &con->rs;
int rc;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
con->error = DB_ERROR_FATAL;
return NULL;
}
else if (con->state == DB_CONN_RESULT_SET &&
(rc = db_free_results_int(con)) != 0)
{
con->error = DB_ERROR_FATAL;
return NULL;
}
con->error = con->driver->ops.query(con, query, len, rs);
sb_counter_inc(con->thread_id, rs->counter);
if (SB_LIKELY(con->error == DB_ERROR_NONE))
{
if (rs->counter == SB_CNT_READ)
{
con->state = DB_CONN_RESULT_SET;
return rs;
}
con->state = DB_CONN_READY;
return NULL;
}
return NULL;
}
/* Free result set */
static int db_free_results_int(db_conn_t *con)
{
int rc;
rc = con->driver->ops.free_results(&con->rs);
if (con->rs.row.values != NULL)
{
free(con->rs.row.values);
con->rs.row.values = NULL;
}
con->rs.nrows = 0;
con->rs.nfields = 0;
con->rs.statement = NULL;
con->state = DB_CONN_READY;
return rc;
}
int db_free_results(db_result_t *rs)
{
db_conn_t * const con = SB_CONTAINER_OF(rs, db_conn_t, rs);
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return 1;
}
else if (con->state != DB_CONN_RESULT_SET)
{
log_text(LOG_ALERT, "attempt to free an invalid result set");
return 1;
}
return db_free_results_int(con);
}
/* Close prepared statement */
int db_close(db_stmt_t *stmt)
{
int rc;
db_conn_t *con = stmt->connection;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return 0;
}
else if (con->state == DB_CONN_RESULT_SET &&
(rc = db_free_results_int(con)) != 0)
{
return DB_ERROR_FATAL;
}
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return 0;
}
else if (con->state == DB_CONN_RESULT_SET && con->rs.statement == stmt &&
(rc = db_free_results_int(con)) != 0)
{
return 0;
}
rc = con->driver->ops.close(stmt);
if (stmt->query != NULL)
{
free(stmt->query);
stmt->query = NULL;
}
if (stmt->bound_param != NULL)
{
free(stmt->bound_param);
stmt->bound_param = NULL;
}
free(stmt);
return rc;
}
/* Uninitialize DB API */
void db_done(void)
{
sb_list_item_t *pos;
db_driver_t *drv;
if (!db_global_initialized)
return;
disable_print_stats();
if (db_globals.debug)
{
free(exec_timers);
free(fetch_timers);
exec_timers = fetch_timers = NULL;
}
SB_LIST_FOR_EACH(pos, &drivers)
{
drv = SB_LIST_ENTRY(pos, db_driver_t, listitem);
if (drv->initialized)
{
drv->ops.done();
pthread_mutex_destroy(&drv->mutex);
}
}
return;
}
/* Parse command line arguments */
int db_parse_arguments(void)
{
char *s;
s = sb_get_value_string("db-ps-mode");
if (!strcmp(s, "auto"))
db_globals.ps_mode = DB_PS_MODE_AUTO;
else if (!strcmp(s, "disable"))
db_globals.ps_mode = DB_PS_MODE_DISABLE;
else
{
log_text(LOG_FATAL, "Invalid value for db-ps-mode: %s", s);
return 1;
}
db_globals.driver = sb_get_value_string("db-driver");
db_globals.debug = sb_get_value_flag("db-debug");
return 0;
}
/* Produce character representation of a 'bind' variable */
int db_print_value(db_bind_t *var, char *buf, int buflen)
{
int n;
db_time_t *tm;
if (var->is_null != NULL && *var->is_null)
{
n = snprintf(buf, buflen, "NULL");
return (n < buflen) ? n : -1;
}
switch (var->type) {
case DB_TYPE_TINYINT:
n = snprintf(buf, buflen, "%hhd", *(char *)var->buffer);
break;
case DB_TYPE_SMALLINT:
n = snprintf(buf, buflen, "%hd", *(short *)var->buffer);
break;
case DB_TYPE_INT:
n = snprintf(buf, buflen, "%d", *(int *)var->buffer);
break;
case DB_TYPE_BIGINT:
n = snprintf(buf, buflen, "%lld", *(long long *)var->buffer);
break;
case DB_TYPE_FLOAT:
n = snprintf(buf, buflen, "%f", *(float *)var->buffer);
break;
case DB_TYPE_DOUBLE:
n = snprintf(buf, buflen, "%f", *(double *)var->buffer);
break;
case DB_TYPE_CHAR:
case DB_TYPE_VARCHAR:
n = snprintf(buf, buflen, "'%s'", (char *)var->buffer);
break;
case DB_TYPE_DATE:
tm = (db_time_t *)var->buffer;
n = snprintf(buf, buflen, "'%d-%d-%d'", tm->year, tm->month, tm->day);
break;
case DB_TYPE_TIME:
tm = (db_time_t *)var->buffer;
n = snprintf(buf, buflen, "'%d:%d:%d'", tm->hour, tm->minute,
tm->second);
break;
case DB_TYPE_DATETIME:
case DB_TYPE_TIMESTAMP:
tm = (db_time_t *)var->buffer;
n = snprintf(buf, buflen, "'%d-%d-%d %d:%d:%d'", tm->year, tm->month,
tm->day, tm->hour, tm->minute, tm->second);
break;
default:
n = 0;
break;
}
return (n < buflen) ? n : -1;
}
#if 0
/* Free row fetched by db_fetch_row() */
void db_free_row(db_row_t *row)
{
free(row);
}
#endif
/* Initialize multi-row insert operation */
int db_bulk_insert_init(db_conn_t *con, const char *query, size_t query_len)
{
drv_caps_t driver_caps;
int rc;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return 0;
}
else if (con->state == DB_CONN_RESULT_SET &&
(rc = db_free_results_int(con)) != 0)
{
return 0;
}
/* Get database capabilites */
if (db_describe(con->driver, &driver_caps))
{
log_text(LOG_FATAL, "failed to get database capabilities!");
return 1;
}
/* Allocate query buffer */
if (query_len + 1 > BULK_PACKET_SIZE)
{
log_text(LOG_FATAL,
"Query length exceeds the maximum value (%u), aborting",
BULK_PACKET_SIZE);
return 1;
}
con->bulk_buflen = BULK_PACKET_SIZE;
con->bulk_buffer = (char *)malloc(con->bulk_buflen);
if (con->bulk_buffer == NULL)
return 1;
con->bulk_commit_max = driver_caps.needs_commit ? ROWS_BEFORE_COMMIT : 0;
con->bulk_commit_cnt = 0;
strcpy(con->bulk_buffer, query);
con->bulk_ptr = query_len;
con->bulk_values = query_len;
con->bulk_cnt = 0;
return 0;
}
/* Add row to multi-row insert operation */
int db_bulk_insert_next(db_conn_t *con, const char *query, size_t query_len)
{
int rc;
if (con->state == DB_CONN_INVALID)
{
log_text(LOG_ALERT, "attempt to use an already closed connection");
return 0;
}
else if (con->state == DB_CONN_RESULT_SET &&
(rc = db_free_results_int(con)) != 0)
{
return 0;
}
if (con->bulk_buffer == NULL)
{
log_text(LOG_ALERT, "attempt to call bulk_insert_next() before bulk_insert_init()");
return 1;
}
/*
Reserve space for '\0' and ',' (if not the first chunk in
a bulk insert
*/
if (con->bulk_ptr + query_len + 1 + (con->bulk_cnt>0) > con->bulk_buflen)
{
/* Is this a first row? */
if (!con->bulk_cnt)
{
log_text(LOG_FATAL,
"Query length exceeds the maximum value (%u), aborting",
con->bulk_buflen);
return 1;
}
if (db_bulk_do_insert(con, 0))
return 1;
}
if (con->bulk_cnt > 0)
{
con->bulk_buffer[con->bulk_ptr] = ',';
strcpy(con->bulk_buffer + con->bulk_ptr + 1, query);
}
else
strcpy(con->bulk_buffer + con->bulk_ptr, query);
con->bulk_ptr += query_len + (con->bulk_cnt > 0);
con->bulk_cnt++;
return 0;
}
/* Do the actual INSERT (and COMMIT, if necessary) */
static int db_bulk_do_insert(db_conn_t *con, int is_last)
{
if (!con->bulk_cnt)
return 0;
if (db_query(con, con->bulk_buffer, con->bulk_ptr) == NULL &&
con->error != DB_ERROR_NONE)
return 1;
if (con->bulk_commit_max != 0)
{
con->bulk_commit_cnt += con->bulk_cnt;
if (is_last || con->bulk_commit_cnt >= con->bulk_commit_max)
{
if (db_query(con, "COMMIT", 6) == NULL &&
con->error != DB_ERROR_NONE)
return 1;
con->bulk_commit_cnt = 0;
}
}
con->bulk_ptr = con->bulk_values;
con->bulk_cnt = 0;
return 0;
}
/* Finish multi-row insert operation */
int db_bulk_insert_done(db_conn_t *con)
{
/* Flush remaining data in buffer, if any */
if (db_bulk_do_insert(con, 1))
return 1;
if (con->bulk_buffer != NULL)
{
free(con->bulk_buffer);
con->bulk_buffer = NULL;
}
return 0;
}
void db_report_intermediate(sb_stat_t *stat)
{
/* Use default stats handler if no drivers are used */
if (!check_print_stats())
{
sb_report_intermediate(stat);
return;
}
const double seconds = stat->time_interval;
log_timestamp(LOG_NOTICE, stat->time_total,
"thds: %u tps: %4.2f "
"qps: %4.2f (r/w/o: %4.2f/%4.2f/%4.2f) "
"lat (ms,%u%%): %4.2f err/s: %4.2f "
"reconn/s: %4.2f",
stat->threads_running,
stat->events / seconds,
(stat->reads + stat->writes + stat->other) / seconds,
stat->reads / seconds,
stat->writes / seconds,
stat->other / seconds,
sb_globals.percentile,
SEC2MS(stat->latency_pct),
stat->errors / seconds,
stat->reconnects / seconds);
if (sb_globals.tx_rate > 0)
{
log_timestamp(LOG_NOTICE, stat->time_total,
"queue length: %" PRIu64", concurrency: %" PRIu64,
stat->queue_length, stat->concurrency);
}
}
void db_report_cumulative(sb_stat_t *stat)
{
sb_timer_t exec_timer;
sb_timer_t fetch_timer;
/* Use default stats handler if no drivers are used */
if (!check_print_stats())
{
sb_report_cumulative(stat);
return;
}
const double seconds = stat->time_interval;
const uint64_t queries = stat->reads + stat->writes + stat->other;
log_text(LOG_NOTICE, "SQL statistics:");
log_text(LOG_NOTICE, " queries performed:");
log_text(LOG_NOTICE, " read: %" PRIu64,
stat->reads);
log_text(LOG_NOTICE, " write: %" PRIu64,
stat->writes);
log_text(LOG_NOTICE, " other: %" PRIu64,
stat->other);
log_text(LOG_NOTICE, " total: %" PRIu64,
queries);
log_text(LOG_NOTICE, " transactions: %-6" PRIu64
" (%.2f per sec.)", stat->events, stat->events / seconds);
log_text(LOG_NOTICE, " queries: %-6" PRIu64
" (%.2f per sec.)", queries,
queries / seconds);
log_text(LOG_NOTICE, " ignored errors: %-6" PRIu64
" (%.2f per sec.)", stat->errors, stat->errors / seconds);
log_text(LOG_NOTICE, " reconnects: %-6" PRIu64
" (%.2f per sec.)", stat->reconnects, stat->reconnects / seconds);
if (db_globals.debug)
{
sb_timer_init(&exec_timer);
sb_timer_init(&fetch_timer);
for (unsigned i = 0; i < sb_globals.threads; i++)
{
exec_timer = sb_timer_merge(&exec_timer, exec_timers + i);
fetch_timer = sb_timer_merge(&fetch_timer, fetch_timers + i);
}
log_text(LOG_DEBUG, "");
log_text(LOG_DEBUG, "Query execution statistics:");
log_text(LOG_DEBUG, " min: %.4fs",
NS2SEC(sb_timer_min(&exec_timer)));
log_text(LOG_DEBUG, " avg: %.4fs",
NS2SEC(sb_timer_avg(&exec_timer)));
log_text(LOG_DEBUG, " max: %.4fs",
NS2SEC(sb_timer_max(&exec_timer)));
log_text(LOG_DEBUG, " total: %.4fs",
NS2SEC(sb_timer_sum(&exec_timer)));
log_text(LOG_DEBUG, "Results fetching statistics:");
log_text(LOG_DEBUG, " min: %.4fs",
NS2SEC(sb_timer_min(&fetch_timer)));
log_text(LOG_DEBUG, " avg: %.4fs",
NS2SEC(sb_timer_avg(&fetch_timer)));
log_text(LOG_DEBUG, " max: %.4fs",
NS2SEC(sb_timer_max(&fetch_timer)));
log_text(LOG_DEBUG, " total: %.4fs",
NS2SEC(sb_timer_sum(&fetch_timer)));
}
/* Report sysbench general stats */
sb_report_cumulative(stat);
}
static void db_reset_stats(void)
{
unsigned int i;
/*
So that intermediate stats are calculated from the current moment
rather than from the previous intermediate report
*/
sb_timer_current(&sb_intermediate_timer);
if (db_globals.debug)
{
for (i = 0; i < sb_globals.threads; i++)
{
sb_timer_init(exec_timers + i);
sb_timer_init(fetch_timers + i);
}
}
}
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