From 06eaf7232e9a920468c0f8d74dcf2fe8b555501c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 14:24:36 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- sql/ha_handler_stats.h | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 sql/ha_handler_stats.h (limited to 'sql/ha_handler_stats.h') diff --git a/sql/ha_handler_stats.h b/sql/ha_handler_stats.h new file mode 100644 index 00000000..726ba604 --- /dev/null +++ b/sql/ha_handler_stats.h @@ -0,0 +1,59 @@ +#ifndef HA_HANDLER_STATS_INCLUDED +#define HA_HANDLER_STATS_INCLUDED +/* + Copyright (c) 2023, MariaDB Foundation + + 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; version 2 of + the License. + + 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 St, Fifth Floor, Boston, MA 02110-1335 USA +*/ + +/* Definitions for parameters to do with handler-routines */ + +class ha_handler_stats +{ +public: + ulonglong pages_accessed; /* Pages accessed from page cache */ + ulonglong pages_updated; /* Pages changed in page cache */ + ulonglong pages_read_count; /* Pages read from disk */ + ulonglong pages_read_time; /* Time reading pages, in microsec. */ + ulonglong undo_records_read; + ulonglong engine_time; /* Time spent in engine in microsec */ + uint active; /* <> 0 if status has to be updated */ +#define first_stat pages_accessed +#define last_stat engine_time + inline void reset() + { + bzero((void*) this, sizeof(*this)); + } + inline void add(ha_handler_stats *stats) + { + ulonglong *to= &first_stat; + ulonglong *from= &stats->first_stat; + do + { + (*to)+= *from++; + } while (to++ != &last_stat); + } + inline bool has_stats() + { + ulonglong *to= &first_stat; + do + { + if (*to) + return 1; + } while (to++ != &last_stat); + return 0; + } +}; +#endif /* HA_HANDLER_STATS_INCLUDED */ -- cgit v1.2.3