Bug#24795: Add SHOW PROFILE

Patch contributed by Jeremy Cole.  CLA received Oct 2006 by Kaj Arnö

Add rudimentary query profiling support.


libmysqld/Makefile.am:
  Add profile file to source list.
sql/Makefile.am:
  Add profiling files to source and header lists.
sql/ha_archive.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/ha_myisam.cc:
  Macroize setting thread-state info
sql/item_func.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/lex.h:
  Add lexer info for profiling.
sql/lock.cc:
  Macroize setting thread-state info
sql/log_event.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/mysql_priv.h:
  Set constants for profiling.
sql/repl_failsafe.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/slave.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/sp_head.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/sql_base.cc:
  Macroize setting thread-state info
  ---
  Macro-ized other discovered instances of setting proc_info.
sql/sql_cache.cc:
  Macroize setting thread-state info
sql/sql_class.cc:
  Integrate profiling.
sql/sql_class.h:
  Instantiate profiling object.
sql/sql_delete.cc:
  Macroize setting thread-state info
sql/sql_insert.cc:
  Macroize setting thread-state info
  ---
  Macro-ized other discovered instances of setting proc_info.
sql/sql_lex.cc:
  Initialize profiling.
sql/sql_lex.h:
  Define lex tokens and allocate space for profiling options.
sql/sql_parse.cc:
  Integrate profiling.
  ---
  Macro-ized other discovered instances of setting proc_info.
sql/sql_repl.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/sql_select.cc:
  Macroize setting thread-state info.
  
  Clean up some lines.
sql/sql_show.cc:
  Macro-ized other discovered instances of setting proc_info.
  ---
  Revert bad use of macro.
sql/sql_table.cc:
  Macroize setting thread-state info
sql/sql_update.cc:
  Macroize setting thread-state info
sql/sql_view.cc:
  Macro-ized other discovered instances of setting proc_info.
sql/sql_yacc.yy:
  Add parser info for profiling.
  ---
  Fix new YACC shift/reduce conflict.  (Now at 249.)
mysql-test/r/profile.result:
  Test profiling code.
  ---
  A not-very-useful result.
mysql-test/t/profile.test:
  Test profiling code.
  ---
  Test syntax, but not values of profiles code.
sql/sql_profile.cc:
  Add profiling code.
  ---
  Add wishlist comment.
sql/sql_profile.h:
  Add profiling code.
  ---
  Changed the value of the macro so that it's syntactically equivalent to a
  single statement.

sql/sql_show.cc

@@ -1350,7 +1350,7 @@ void mysqld_list_processes(THD *thd,const char *user, bool verbose)
 
 #if !defined(DONT_USE_THR_ALARM) && ! defined(SCO)
         if (pthread_kill(tmp->real_id,0))
-          tmp->proc_info="*** DEAD ***";        // This shouldn't happen
+          THD_PROC_INFO(tmp, "*** DEAD ***");        // This shouldn't happen
 #endif
 #ifdef EXTRA_DEBUG
         thd_info->start_time= tmp->time_after_lock;