Hi, Sergey! On Apr 14, svoj@mariadb.org wrote:

revision-id: d116e028a9545af8bd9eeb03f2ce0e56a9c455f9 parent(s): 201c985be56f375677df9275d38f18a20cf41029 committer: Sergey Vojtovich branch nick: mariadb timestamp: 2015-04-14 17:52:08 +0400 message:

MDEV-7945 - THD::enter_stage() takes 0.48% in OLTP RO

THD::enter_stage() optimizations: - stage backup code moved to THD::backup_stage(), saves one condition - moved check for "new_stage" out to callers that actually need it - remnants of enter_stage() moved to sql_class.h so it can be inlined

THD::enter_stage() overhead dropped 0.48% -> 0.07%.

PROFILING::status_change() optimizations: - no need to check "status_arg": it is checked by caller anyway - no need to check "enabled": !enabled && current is impossible - remnants of status_change() moved to sql_profile.h so it can be inlined

PROFILING::status_change() overhead dropped 0.1% -> out of radar.

ok to push Regards, Sergei