drivers/staging/android/trace/lowmemorykiller.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_INCLUDE_PATH ../../drivers/staging/android/trace
   3 #define TRACE_SYSTEM lowmemorykiller
   4
   5 #if !defined(_TRACE_LOWMEMORYKILLER_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_LOWMEMORYKILLER_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 TRACE_EVENT(lowmemory_kill,
  11         TP_PROTO(struct task_struct *killed_task, long cache_size, \
  12                  long cache_limit, long free),
  13
  14         TP_ARGS(killed_task, cache_size, cache_limit, free),
  15
  16         TP_STRUCT__entry(
  17                         __array(char, comm, TASK_COMM_LEN)
  18                         __field(pid_t, pid)
  19                         __field(long, pagecache_size)
  20                         __field(long, pagecache_limit)
  21                         __field(long, free)
  22         ),
  23
  24         TP_fast_assign(
  25                         memcpy(__entry->comm, killed_task->comm, TASK_COMM_LEN);
  26                         __entry->pid = killed_task->pid;
  27                         __entry->pagecache_size = cache_size;
  28                         __entry->pagecache_limit = cache_limit;
  29                         __entry->free = free;
  30         ),
  31
  32         TP_printk("%s (%d), page cache %ldkB (limit %ldkB), free %ldKb",
  33                 __entry->comm, __entry->pid, __entry->pagecache_size,
  34                 __entry->pagecache_limit, __entry->free)
  35 );
  36
  37
  38 #endif /* if !defined(_TRACE_LOWMEMORYKILLER_H) || defined(TRACE_HEADER_MULTI_READ) */
  39
  40 /* This part must be outside protection */
  41 #include <trace/define_trace.h>