102 lines
3.9 KiB
Plaintext
102 lines
3.9 KiB
Plaintext
/*****************************************************************************
|
|
|
|
Copyright (c) 2010, 2018, Oracle and/or its affiliates. All Rights Reserved.
|
|
|
|
This program is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License, version 2.0, as published by the
|
|
Free Software Foundation.
|
|
|
|
This program is also distributed with certain software (including but not
|
|
limited to OpenSSL) that is licensed under separate terms, as designated in a
|
|
particular file or component or in included license documentation. The authors
|
|
of MySQL hereby grant you an additional permission to link the program and
|
|
your derivative works with the separately licensed software that they have
|
|
included with MySQL.
|
|
|
|
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, version 2.0,
|
|
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 02110-1301 USA
|
|
|
|
*****************************************************************************/
|
|
|
|
/** @file include/srv0mon.ic
|
|
Server monitoring system
|
|
|
|
Created 1/20/2010 Jimmy Yang
|
|
************************************************************************/
|
|
|
|
/** This function is used to calculate the maximum counter value
|
|
since the start of monitor counter
|
|
@return max counter value since start. */
|
|
UNIV_INLINE
|
|
mon_type_t srv_mon_calc_max_since_start(
|
|
monitor_id_t monitor) /*!< in: monitor id */
|
|
{
|
|
if (MONITOR_MAX_VALUE_START(monitor) == MAX_RESERVED) {
|
|
/* MONITOR_MAX_VALUE_START has not yet been
|
|
initialized, the max value since start is the
|
|
max count in MONITOR_MAX_VALUE */
|
|
MONITOR_MAX_VALUE_START(monitor) = MONITOR_MAX_VALUE(monitor);
|
|
|
|
} else if (MONITOR_MAX_VALUE(monitor) != MAX_RESERVED &&
|
|
(MONITOR_MAX_VALUE(monitor) + MONITOR_VALUE_RESET(monitor) >
|
|
MONITOR_MAX_VALUE_START(monitor))) {
|
|
/* If the max value since reset (as specified
|
|
in MONITOR_MAX_VALUE) plus the reset value is
|
|
larger than MONITOR_MAX_VALUE_START, reset
|
|
MONITOR_MAX_VALUE_START to this new max value */
|
|
MONITOR_MAX_VALUE_START(monitor) =
|
|
MONITOR_MAX_VALUE(monitor) + MONITOR_VALUE_RESET(monitor);
|
|
}
|
|
|
|
return (MONITOR_MAX_VALUE_START(monitor));
|
|
}
|
|
|
|
/** This function is used to calculate the minimum counter value
|
|
since the start of monitor counter
|
|
@return min counter value since start. */
|
|
UNIV_INLINE
|
|
mon_type_t srv_mon_calc_min_since_start(
|
|
monitor_id_t monitor) /*!< in: monitor id */
|
|
{
|
|
if (MONITOR_MIN_VALUE_START(monitor) == MIN_RESERVED) {
|
|
/* MONITOR_MIN_VALUE_START has not yet been
|
|
initialized, the min value since start is the
|
|
min count in MONITOR_MIN_VALUE */
|
|
MONITOR_MIN_VALUE_START(monitor) = MONITOR_MIN_VALUE(monitor);
|
|
|
|
} else if (MONITOR_MIN_VALUE(monitor) != MIN_RESERVED &&
|
|
(MONITOR_MIN_VALUE(monitor) + MONITOR_VALUE_RESET(monitor) <
|
|
MONITOR_MIN_VALUE_START(monitor))) {
|
|
/* If the min value since reset (as specified
|
|
in MONITOR_MIN_VALUE) plus the reset value is
|
|
less than MONITOR_MIN_VALUE_START, reset
|
|
MONITOR_MIN_VALUE_START to this new min value */
|
|
MONITOR_MIN_VALUE_START(monitor) =
|
|
MONITOR_MIN_VALUE(monitor) + MONITOR_VALUE_RESET(monitor);
|
|
}
|
|
|
|
return (MONITOR_MIN_VALUE_START(monitor));
|
|
}
|
|
|
|
/** This function resets all values of a monitor counter */
|
|
UNIV_INLINE
|
|
void srv_mon_reset_all(monitor_id_t monitor) /*!< in: monitor id */
|
|
{
|
|
/* Do not reset all counter values if monitor is still on. */
|
|
if (MONITOR_IS_ON(monitor)) {
|
|
fprintf(stderr,
|
|
"InnoDB: Cannot reset all values for"
|
|
" monitor counter %s while it is on. Please"
|
|
" turn it off and retry.\n",
|
|
srv_mon_get_name(monitor));
|
|
} else {
|
|
MONITOR_RESET_ALL(monitor);
|
|
}
|
|
}
|