LXR linux/include/trace/events/gpu

   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 */
  30TRACE_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>
  58