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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/trace/events/lock.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/trace/events/lock.h')
-rw-r--r-- | include/trace/events/lock.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h new file mode 100644 index 000000000..d7512129a --- /dev/null +++ b/include/trace/events/lock.h @@ -0,0 +1,87 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM lock + +#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_LOCK_H + +#include <linux/lockdep.h> +#include <linux/tracepoint.h> + +#ifdef CONFIG_LOCKDEP + +TRACE_EVENT(lock_acquire, + + TP_PROTO(struct lockdep_map *lock, unsigned int subclass, + int trylock, int read, int check, + struct lockdep_map *next_lock, unsigned long ip), + + TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip), + + TP_STRUCT__entry( + __field(unsigned int, flags) + __string(name, lock->name) + __field(void *, lockdep_addr) + ), + + TP_fast_assign( + __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0); + __assign_str(name, lock->name); + __entry->lockdep_addr = lock; + ), + + TP_printk("%p %s%s%s", __entry->lockdep_addr, + (__entry->flags & 1) ? "try " : "", + (__entry->flags & 2) ? "read " : "", + __get_str(name)) +); + +DECLARE_EVENT_CLASS(lock, + + TP_PROTO(struct lockdep_map *lock, unsigned long ip), + + TP_ARGS(lock, ip), + + TP_STRUCT__entry( + __string( name, lock->name ) + __field( void *, lockdep_addr ) + ), + + TP_fast_assign( + __assign_str(name, lock->name); + __entry->lockdep_addr = lock; + ), + + TP_printk("%p %s", __entry->lockdep_addr, __get_str(name)) +); + +DEFINE_EVENT(lock, lock_release, + + TP_PROTO(struct lockdep_map *lock, unsigned long ip), + + TP_ARGS(lock, ip) +); + +#ifdef CONFIG_LOCK_STAT + +DEFINE_EVENT(lock, lock_contended, + + TP_PROTO(struct lockdep_map *lock, unsigned long ip), + + TP_ARGS(lock, ip) +); + +DEFINE_EVENT(lock, lock_acquired, + + TP_PROTO(struct lockdep_map *lock, unsigned long ip), + + TP_ARGS(lock, ip) +); + +#endif +#endif + +#endif /* _TRACE_LOCK_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |