/* 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 <longman@redhat.com>
 */

#ifndef LOCK_EVENT
#define LOCK_EVENT(name)        LOCKEVENT_ ## name,
#endif

#ifdef CONFIG_QUEUED_SPINLOCKS
#ifdef CONFIG_PARAVIRT_SPINLOCKS
/*
 * Locking events for PV qspinlock.
 */
LOCK_EVENT(pv_hash_hops)        /* Average # of hops per hashing operation */
LOCK_EVENT(pv_kick_unlock)      /* # of vCPU kicks issued at unlock time   */
LOCK_EVENT(pv_kick_wake)        /* # of vCPU kicks for pv_latency_wake     */
LOCK_EVENT(pv_latency_kick)     /* Average latency (ns) of vCPU kick       */
LOCK_EVENT(pv_latency_wake)     /* Average latency (ns) of kick-to-wakeup  */
LOCK_EVENT(pv_lock_stealing)    /* # of lock stealing operations           */
LOCK_EVENT(pv_spurious_wakeup)  /* # of spurious wakeups in non-head vCPUs */
LOCK_EVENT(pv_wait_again)       /* # of wait's after queue head vCPU kick  */
LOCK_EVENT(pv_wait_early)       /* # of early vCPU wait's                  */
LOCK_EVENT(pv_wait_head)        /* # of vCPU wait's at the queue head      */
LOCK_EVENT(pv_wait_node)        /* # of vCPU wait's at non-head queue node */
#endif /* CONFIG_PARAVIRT_SPINLOCKS */

/*
 * Locking events for qspinlock
 *
 * Subtracting lock_use_node[234] from lock_slowpath will give you
 * lock_use_node1.
 */
LOCK_EVENT(lock_pending)        /* # of locking ops via pending code         */
LOCK_EVENT(lock_slowpath)       /* # of locking ops via MCS lock queue       */
LOCK_EVENT(lock_use_node2)      /* # of locking ops that use 2nd percpu node */
LOCK_EVENT(lock_use_node3)      /* # of locking ops that use 3rd percpu node */
LOCK_EVENT(lock_use_node4)      /* # of locking ops that use 4th percpu node */
LOCK_EVENT(lock_no_node)        /* # of locking ops w/o using percpu node    */
#endif /* CONFIG_QUEUED_SPINLOCKS */

/*
 * Locking events for Resilient Queued Spin Lock
 */
LOCK_EVENT(rqspinlock_lock_timeout)     /* # of locking ops that timeout        */

/*
 * Locking events for rwsem
 */
LOCK_EVENT(rwsem_sleep_reader)  /* # of reader sleeps                   */
LOCK_EVENT(rwsem_sleep_writer)  /* # of writer sleeps                   */
LOCK_EVENT(rwsem_wake_reader)   /* # of reader wakeups                  */
LOCK_EVENT(rwsem_wake_writer)   /* # of writer wakeups                  */
LOCK_EVENT(rwsem_opt_lock)      /* # of opt-acquired write locks        */
LOCK_EVENT(rwsem_opt_fail)      /* # of failed optspins                 */
LOCK_EVENT(rwsem_opt_nospin)    /* # of disabled optspins               */
LOCK_EVENT(rwsem_rlock)         /* # of read locks acquired             */
LOCK_EVENT(rwsem_rlock_steal)   /* # of read locks by lock stealing     */
LOCK_EVENT(rwsem_rlock_fast)    /* # of fast read locks acquired        */
LOCK_EVENT(rwsem_rlock_fail)    /* # of failed read lock acquisitions   */
LOCK_EVENT(rwsem_rlock_handoff) /* # of read lock handoffs              */
LOCK_EVENT(rwsem_wlock)         /* # of write locks acquired            */
LOCK_EVENT(rwsem_wlock_fail)    /* # of failed write lock acquisitions  */
LOCK_EVENT(rwsem_wlock_handoff) /* # of write lock handoffs             */

/*
 * Locking events for rtlock_slowlock()
 */
LOCK_EVENT(rtlock_slowlock)     /* # of rtlock_slowlock() calls         */
LOCK_EVENT(rtlock_slow_acq1)    /* # of locks acquired after wait_lock  */
LOCK_EVENT(rtlock_slow_acq2)    /* # of locks acquired in for loop      */
LOCK_EVENT(rtlock_slow_sleep)   /* # of sleeps                          */
LOCK_EVENT(rtlock_slow_wake)    /* # of wakeup's                        */

/*
 * Locking events for rt_mutex_slowlock()
 */
LOCK_EVENT(rtmutex_slowlock)    /* # of rt_mutex_slowlock() calls       */
LOCK_EVENT(rtmutex_slow_block)  /* # of rt_mutex_slowlock_block() calls */
LOCK_EVENT(rtmutex_slow_acq1)   /* # of locks acquired after wait_lock  */
LOCK_EVENT(rtmutex_slow_acq2)   /* # of locks acquired at the end       */
LOCK_EVENT(rtmutex_slow_acq3)   /* # of locks acquired in *block()      */
LOCK_EVENT(rtmutex_slow_sleep)  /* # of sleeps                          */
LOCK_EVENT(rtmutex_slow_wake)   /* # of wakeup's                        */
LOCK_EVENT(rtmutex_deadlock)    /* # of rt_mutex_handle_deadlock()'s    */

/*
 * Locking events for lockdep
 */
LOCK_EVENT(lockdep_acquire)
LOCK_EVENT(lockdep_lock)
LOCK_EVENT(lockdep_nocheck)