LXR linux/include/trace/events/mmap

   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>
 108