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   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM bkl
   3
   4 #if !defined(_TRACE_BKL_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_BKL_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 TRACE_EVENT(lock_kernel,
  10
  11         TP_PROTO(const char *func, const char *file, int line),
  12
  13         TP_ARGS(func, file, line),
  14
  15         TP_STRUCT__entry(
  16                 __field(        int,            depth                   )
  17                 __field_ext(    const char *,   func, FILTER_PTR_STRING )
  18                 __field_ext(    const char *,   file, FILTER_PTR_STRING )
  19                 __field(        int,            line                    )
  20         ),
  21
  22         TP_fast_assign(
  23                 /* We want to record the lock_depth after lock is acquired */
  24                 __entry->depth = current->lock_depth + 1;
  25                 __entry->func = func;
  26                 __entry->file = file;
  27                 __entry->line = line;
  28         ),
  29
  30         TP_printk("depth=%d file:line=%s:%d func=%s()", __entry->depth,
  31                   __entry->file, __entry->line, __entry->func)
  32 );
  33
  34 TRACE_EVENT(unlock_kernel,
  35
  36         TP_PROTO(const char *func, const char *file, int line),
  37
  38         TP_ARGS(func, file, line),
  39
  40         TP_STRUCT__entry(
  41                 __field(int,            depth           )
  42                 __field(const char *,   func            )
  43                 __field(const char *,   file            )
  44                 __field(int,            line            )
  45         ),
  46
  47         TP_fast_assign(
  48                 __entry->depth = current->lock_depth;
  49                 __entry->func = func;
  50                 __entry->file = file;
  51                 __entry->line = line;
  52         ),
  53
  54         TP_printk("depth=%d file:line=%s:%d func=%s()", __entry->depth,
  55                   __entry->file, __entry->line, __entry->func)
  56 );
  57
  58 #endif /* _TRACE_BKL_H */
  59
  60 /* This part must be outside protection */
  61 #include <trace/define_trace.h>