driver/gator_trace_gpu.h

   1 /**
   2  * Copyright (C) ARM Limited 2010-2013. 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,
  51                       __entry->pid)
  52     );
  53
  54 /*
  55  * Tracepoint for calling GPU unit stop activity on core
  56  */
  57 TRACE_EVENT(gpu_activity_stop,
  58
  59             TP_PROTO(int gpu_unit, int gpu_core),
  60
  61             TP_ARGS(gpu_unit, gpu_core),
  62
  63             TP_STRUCT__entry(
  64                              __field(int, gpu_unit)
  65                              __field(int, gpu_core)
  66             ),
  67
  68             TP_fast_assign(
  69                            __entry->gpu_unit = gpu_unit;
  70                            __entry->gpu_core = gpu_core;
  71             ),
  72
  73             TP_printk("unit=%d core=%d", __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>