Cleanup: Move lttng-modules instrumentation headers

[lttng-modules.git] / include / instrumentation / events / lock.h

diff --git a/include/instrumentation/events/lock.h b/include/instrumentation/events/lock.h
new file mode 100644 (file)
index 0000000..af28517
--- /dev/null
+++ b/include/instrumentation/events/lock.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lock
+
+#if !defined(LTTNG_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_LOCK_H
+
+#include <linux/lockdep.h>
+#include <lttng/tracepoint-event.h>
+
+#ifdef CONFIG_LOCKDEP
+
+LTTNG_TRACEPOINT_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_FIELDS(
+               ctf_integer(unsigned int, flags, (trylock ? 1 : 0) | (read ? 2 : 0))
+               ctf_string(name, lock->name)
+               ctf_integer_hex(void *, lockdep_addr, lock)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(lock,
+
+       TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+
+       TP_ARGS(lock, ip),
+
+       TP_FIELDS(
+               ctf_string(name, lock->name)
+               ctf_integer_hex(void *, lockdep_addr, lock)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_release,
+
+       TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+
+       TP_ARGS(lock, ip)
+)
+
+#ifdef CONFIG_LOCK_STAT
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_contended,
+
+       TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+
+       TP_ARGS(lock, ip)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_acquired,
+
+       TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+
+       TP_ARGS(lock, ip)
+)
+
+#endif /* CONFIG_LOCK_STAT */
+
+#endif /* CONFIG_LOCKDEP */
+
+#endif /* LTTNG_TRACE_LOCK_H */
+
+/* This part must be outside protection */
+#include <lttng/define_trace.h>