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