logging_ok:

  Logging to logging@openlogging.org accepted
sql_yacc.yy, sql_parse.cc, sql_lex.h, lex.h:
  Implements the SHOW MUTEX STATUS command
set_var.cc, mysqld.cc, mysql_priv.h:
  Added new GLOBAL variable timed_mutexes
ha_innodb.h:
  New function innodb_mutex_show_status
ha_innodb.cc:
  Added new innodb variables in SHOW STATUS
  Implements the SHOW MUTEX STATUS command
innodb.test, innodb.result:
  Added new row_lock_waits status variables tests.
variables.test, variables.result:
  test new variable timed_mutexes
ut0ut.c:
  New function ut_usectime.
sync0sync.c:
  Mutex counting.
sync0rw.c:
  New mutex parameters initialization.
srv0srv.c:
  Counting row lock waits
row0sel.c, row0mysql.c:
  Setting row_lock or table_lock state to thd.
que0que.c:
  Added default no_lock_state to thd.
univ.i:
  Added UNIV_SRV_PRINT_LATCH_WAITS debug define
sync0sync.ic:
  Count mutex using.
sync0sync.h:
  Added new parameters to mutex structure for counting.
sync0rw.h:
  Added new parameters to rw_create_func.
srv0srv.h:
  Added new innodb varuables to SHOW STATUS.
que0que.h:
  Added thread lock states.


innobase/include/que0que.h:
  Added thread lock states.
innobase/include/srv0srv.h:
  Added new innodb varuables to SHOW STATUS.
innobase/include/sync0rw.h:
  Added new parameters to rw_create_func.
innobase/include/sync0sync.h:
  Added new parameters to mutex structure for counting.
innobase/include/sync0sync.ic:
  Count mutex using.
innobase/include/univ.i:
  Added UNIV_SRV_PRINT_LATCH_WAITS debug define
innobase/que/que0que.c:
  Added default no_lock_state to thd.
innobase/row/row0mysql.c:
  Setting row_lock or table_lock state to thd.
innobase/row/row0sel.c:
  Setting row_lock or table_lock state to thd.
innobase/srv/srv0srv.c:
  Counting row lock waits
innobase/sync/sync0rw.c:
  New mutex parameters initialization.
innobase/sync/sync0sync.c:
  Mutex counting.
innobase/ut/ut0ut.c:
  New function ut_usectime.
mysql-test/r/variables.result:
  test new variable timed_mutexes
mysql-test/r/innodb.result:
  Added new row_lock_waits status variables tests.
mysql-test/t/variables.test:
  test new variable timed_mutexes
mysql-test/t/innodb.test:
  Added new row_lock_waits status variables tests.
sql/ha_innodb.cc:
  Added new innodb variables in SHOW STATUS
  Implements the SHOW MUTEX STATUS command
sql/ha_innodb.h:
  New function innodb_mutex_show_status
sql/lex.h:
  Implements the SHOW MUTEX STATUS command
sql/mysql_priv.h:
  Added new GLOBAL variable timed_mutexes
sql/mysqld.cc:
  Added new GLOBAL variable timed_mutexes
sql/set_var.cc:
  Added new GLOBAL variable timed_mutexes
sql/sql_lex.h:
  Implements the SHOW MUTEX STATUS command
sql/sql_parse.cc:
  Implements the SHOW MUTEX STATUS command
sql/sql_yacc.yy:
  Implements the SHOW MUTEX STATUS command
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

1 files changed, 5 insertions, 1 deletions

diff --git a/innobase/include/sync0sync.ic b/innobase/include/sync0sync.ic
index aaf5e1fd9e9..1731b47db58 100644
--- a/innobase/include/sync0sync.ic
+++ b/innobase/include/sync0sync.ic
@@ -249,8 +249,11 @@ mutex_enter_func(
 
 	/* Note that we do not peek at the value of lock_word before trying
 	the atomic test_and_set; we could peek, and possibly save time. */
+
+  mutex->count_using++;
 	
-	if (!mutex_test_and_set(mutex)) {
+	if (!mutex_test_and_set(mutex))
+	{
 #ifdef UNIV_SYNC_DEBUG
 		mutex_set_debug_info(mutex, file_name, line);
 #endif
@@ -258,4 +261,5 @@ mutex_enter_func(
 	}
 
 	mutex_spin_wait(mutex, file_name, line);
+
 }