include/trace/events/gpu_mem.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * GPU memory trace points
   4  *
   5  * Copyright (C) 2020 Google, Inc.
   6  */
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM gpu_mem
  10
  11 #if !defined(_TRACE_GPU_MEM_H) || defined(TRACE_HEADER_MULTI_READ)
  12 #define _TRACE_GPU_MEM_H
  13
  14 #include <linux/tracepoint.h>
  15
  16 /*
  17  * The gpu_memory_total event indicates that there's an update to either the
  18  * global or process total gpu memory counters.
  19  *
  20  * This event should be emitted whenever the kernel device driver allocates,
  21  * frees, imports, unimports memory in the GPU addressable space.
  22  *
  23  * @gpu_id: This is the gpu id.
  24  *
  25  * @pid: Put 0 for global total, while positive pid for process total.
  26  *
  27  * @size: Size of the allocation in bytes.
  28  *
  29  */
  30 TRACE_EVENT(gpu_mem_total,
  31
  32         TP_PROTO(uint32_t gpu_id, uint32_t pid, uint64_t size),
  33
  34         TP_ARGS(gpu_id, pid, size),
  35
  36         TP_STRUCT__entry(
  37                 __field(uint32_t, gpu_id)
  38                 __field(uint32_t, pid)
  39                 __field(uint64_t, size)
  40         ),
  41
  42         TP_fast_assign(
  43                 __entry->gpu_id = gpu_id;
  44                 __entry->pid = pid;
  45                 __entry->size = size;
  46         ),
  47
  48         TP_printk("gpu_id=%u pid=%u size=%llu",
  49                 __entry->gpu_id,
  50                 __entry->pid,
  51                 __entry->size)
  52 );
  53
  54 #endif /* _TRACE_GPU_MEM_H */
  55
  56 /* This part must be outside protection */
  57 #include <trace/define_trace.h>