forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.7 KiB
60 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* 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; either version 2 of the License, or |
|
* (at your option) any later version. |
|
* |
|
* 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. |
|
* |
|
* Authors: Waiman Long <[email protected]> |
|
*/ |
|
|
|
#ifndef __LOCKING_LOCK_EVENTS_H |
|
#define __LOCKING_LOCK_EVENTS_H |
|
|
|
enum lock_events { |
|
|
|
#include "lock_events_list.h" |
|
|
|
lockevent_num, /* Total number of lock event counts */ |
|
LOCKEVENT_reset_cnts = lockevent_num, |
|
}; |
|
|
|
#ifdef CONFIG_LOCK_EVENT_COUNTS |
|
/* |
|
* Per-cpu counters |
|
*/ |
|
DECLARE_PER_CPU(unsigned long, lockevents[lockevent_num]); |
|
|
|
/* |
|
* Increment the statistical counters. use raw_cpu_inc() because of lower |
|
* overhead and we don't care if we loose the occasional update. |
|
*/ |
|
static inline void __lockevent_inc(enum lock_events event, bool cond) |
|
{ |
|
if (cond) |
|
raw_cpu_inc(lockevents[event]); |
|
} |
|
|
|
#define lockevent_inc(ev) __lockevent_inc(LOCKEVENT_ ##ev, true) |
|
#define lockevent_cond_inc(ev, c) __lockevent_inc(LOCKEVENT_ ##ev, c) |
|
|
|
static inline void __lockevent_add(enum lock_events event, int inc) |
|
{ |
|
raw_cpu_add(lockevents[event], inc); |
|
} |
|
|
|
#define lockevent_add(ev, c) __lockevent_add(LOCKEVENT_ ##ev, c) |
|
|
|
#else /* CONFIG_LOCK_EVENT_COUNTS */ |
|
|
|
#define lockevent_inc(ev) |
|
#define lockevent_add(ev, c) |
|
#define lockevent_cond_inc(ev, c) |
|
|
|
#endif /* CONFIG_LOCK_EVENT_COUNTS */ |
|
#endif /* __LOCKING_LOCK_EVENTS_H */
|
|
|