1/* SPDX-License-Identifier: GPL-2.0 */
  2#undef TRACE_SYSTEM
  3#define TRACE_SYSTEM mmap_lock
  4
  5#if !defined(_TRACE_MMAP_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
  6#define _TRACE_MMAP_LOCK_H
  7
  8#include <linux/tracepoint.h>
  9#include <linux/types.h>
 10
 11struct mm_struct;
 12
 13extern int trace_mmap_lock_reg(void);
 14extern void trace_mmap_lock_unreg(void);
 15
 16TRACE_EVENT_FN(mmap_lock_start_locking,
 17
 18	TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
 19
 20	TP_ARGS(mm, memcg_path, write),
 21
 22	TP_STRUCT__entry(
 23		__field(struct mm_struct *, mm)
 24		__string(memcg_path, memcg_path)
 25		__field(bool, write)
 26	),
 27
 28	TP_fast_assign(
 29		__entry->mm = mm;
 30		__assign_str(memcg_path, memcg_path);
 31		__entry->write = write;
 32	),
 33
 34	TP_printk(
 35		"mm=%p memcg_path=%s write=%s\n",
 36		__entry->mm,
 37		__get_str(memcg_path),
 38		__entry->write ? "true" : "false"
 39	),
 40
 41	trace_mmap_lock_reg, trace_mmap_lock_unreg
 42);
 43
 44TRACE_EVENT_FN(mmap_lock_acquire_returned,
 45
 46	TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write,
 47		bool success),
 48
 49	TP_ARGS(mm, memcg_path, write, success),
 50
 51	TP_STRUCT__entry(
 52		__field(struct mm_struct *, mm)
 53		__string(memcg_path, memcg_path)
 54		__field(bool, write)
 55		__field(bool, success)
 56	),
 57
 58	TP_fast_assign(
 59		__entry->mm = mm;
 60		__assign_str(memcg_path, memcg_path);
 61		__entry->write = write;
 62		__entry->success = success;
 63	),
 64
 65	TP_printk(
 66		"mm=%p memcg_path=%s write=%s success=%s\n",
 67		__entry->mm,
 68		__get_str(memcg_path),
 69		__entry->write ? "true" : "false",
 70		__entry->success ? "true" : "false"
 71	),
 72
 73	trace_mmap_lock_reg, trace_mmap_lock_unreg
 74);
 75
 76TRACE_EVENT_FN(mmap_lock_released,
 77
 78	TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
 79
 80	TP_ARGS(mm, memcg_path, write),
 81
 82	TP_STRUCT__entry(
 83		__field(struct mm_struct *, mm)
 84		__string(memcg_path, memcg_path)
 85		__field(bool, write)
 86	),
 87
 88	TP_fast_assign(
 89		__entry->mm = mm;
 90		__assign_str(memcg_path, memcg_path);
 91		__entry->write = write;
 92	),
 93
 94	TP_printk(
 95		"mm=%p memcg_path=%s write=%s\n",
 96		__entry->mm,
 97		__get_str(memcg_path),
 98		__entry->write ? "true" : "false"
 99	),
100
101	trace_mmap_lock_reg, trace_mmap_lock_unreg
102);
103
104#endif /* _TRACE_MMAP_LOCK_H */
105
106/* This part must be outside protection */
107#include <trace/define_trace.h>