driver/gator_trace_gpu.h

   1 /**
   2  * Copyright (C) ARM Limited 2010-2012. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #undef TRACE_GPU
  10 #define TRACE_GPU gpu
  11
  12 #if !defined(_TRACE_GPU_H)
  13 #define _TRACE_GPU_H
  14
  15 #include <linux/tracepoint.h>
  16
  17 /*
  18  * UNIT - the GPU processor type
  19  *  1 = Vertex Processor
  20  *  2 = Fragment Processor
  21  *
  22  * CORE - the GPU processor core number
  23  *  this is not the CPU core number
  24  */
  25
  26 /*
  27  * Tracepoint for calling GPU unit start activity on core
  28  */
  29 TRACE_EVENT(gpu_activity_start,
  30
  31         TP_PROTO(int gpu_unit, int gpu_core, struct task_struct *p),
  32
  33         TP_ARGS(gpu_unit, gpu_core, p),
  34
  35         TP_STRUCT__entry(
  36                 __field(        int,    gpu_unit                )
  37                 __field(        int,    gpu_core                )
  38                 __array(        char,   comm,   TASK_COMM_LEN   )
  39                 __field(        pid_t,  pid                     )
  40         ),
  41
  42         TP_fast_assign(
  43                 __entry->gpu_unit       = gpu_unit;
  44                 __entry->gpu_core       = gpu_core;
  45                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
  46                 __entry->pid            = p->pid;
  47         ),
  48
  49         TP_printk("unit=%d core=%d comm=%s pid=%d",
  50                 __entry->gpu_unit, __entry->gpu_core, __entry->comm, __entry->pid)
  51 );
  52
  53 /*
  54  * Tracepoint for calling GPU unit stop activity on core
  55  */
  56 TRACE_EVENT(gpu_activity_stop,
  57
  58         TP_PROTO(int gpu_unit, int gpu_core),
  59
  60         TP_ARGS(gpu_unit, gpu_core),
  61
  62         TP_STRUCT__entry(
  63                 __field(        int,    gpu_unit                )
  64                 __field(        int,    gpu_core                )
  65         ),
  66
  67         TP_fast_assign(
  68                 __entry->gpu_unit       = gpu_unit;
  69                 __entry->gpu_core       = gpu_core;
  70         ),
  71
  72         TP_printk("unit=%d core=%d",
  73                 __entry->gpu_unit, __entry->gpu_core)
  74 );
  75
  76 #endif /* _TRACE_GPU_H */
  77
  78 /* This part must be outside protection */
  79 #include <trace/define_trace.h>