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>
58
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