88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM lock
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#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_LOCK_H
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#include <linux/lockdep.h>
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#include <linux/tracepoint.h>
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#ifdef CONFIG_LOCKDEP
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TRACE_EVENT(lock_acquire,
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TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
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int trylock, int read, int check,
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struct lockdep_map *next_lock, unsigned long ip),
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TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
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TP_STRUCT__entry(
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__field(unsigned int, flags)
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__string(name, lock->name)
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__field(void *, lockdep_addr)
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),
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TP_fast_assign(
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__entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
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__assign_str(name, lock->name);
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__entry->lockdep_addr = lock;
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),
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TP_printk("%p %s%s%s", __entry->lockdep_addr,
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(__entry->flags & 1) ? "try " : "",
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(__entry->flags & 2) ? "read " : "",
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__get_str(name))
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);
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DECLARE_EVENT_CLASS(lock,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_ARGS(lock, ip),
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TP_STRUCT__entry(
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__string( name, lock->name )
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__field( void *, lockdep_addr )
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),
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TP_fast_assign(
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__assign_str(name, lock->name);
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__entry->lockdep_addr = lock;
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),
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TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
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);
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DEFINE_EVENT(lock, lock_release,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_ARGS(lock, ip)
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);
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#ifdef CONFIG_LOCK_STAT
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DEFINE_EVENT(lock, lock_contended,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_ARGS(lock, ip)
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);
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DEFINE_EVENT(lock, lock_acquired,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_ARGS(lock, ip)
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);
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#endif
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#endif
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#endif /* _TRACE_LOCK_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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