| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * GPU memory trace points |
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| 4 | * |
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| 5 | * Copyright (C) 2020 Google, Inc. |
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| 6 | */ |
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| 7 | |
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| 8 | #undef TRACE_SYSTEM |
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| 9 | #define TRACE_SYSTEM gpu_mem |
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| 10 | |
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| 11 | #if !defined(_TRACE_GPU_MEM_H) || defined(TRACE_HEADER_MULTI_READ) |
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| 12 | #define _TRACE_GPU_MEM_H |
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| 13 | |
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| 14 | #include <linux/tracepoint.h> |
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| 15 | |
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| 16 | /* |
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| 17 | * The gpu_memory_total event indicates that there's an update to either the |
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| 18 | * global or process total gpu memory counters. |
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| 19 | * |
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| 20 | * This event should be emitted whenever the kernel device driver allocates, |
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| 21 | * frees, imports, unimports memory in the GPU addressable space. |
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| 22 | * |
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| 23 | * @gpu_id: This is the gpu id. |
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| 24 | * |
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| 25 | * @pid: Put 0 for global total, while positive pid for process total. |
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| 26 | * |
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| 27 | * @size: Size of the allocation in bytes. |
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| 28 | * |
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| 29 | */ |
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| 30 | TRACE_EVENT(gpu_mem_total, |
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| 31 | |
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| 32 | TP_PROTO(uint32_t gpu_id, uint32_t pid, uint64_t size), |
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| 33 | |
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| 34 | TP_ARGS(gpu_id, pid, size), |
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| 35 | |
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| 36 | TP_STRUCT__entry( |
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| 37 | __field(uint32_t, gpu_id) |
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| 38 | __field(uint32_t, pid) |
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| 39 | __field(uint64_t, size) |
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| 40 | ), |
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| 41 | |
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| 42 | TP_fast_assign( |
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| 43 | __entry->gpu_id = gpu_id; |
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| 44 | __entry->pid = pid; |
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| 45 | __entry->size = size; |
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| 46 | ), |
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| 47 | |
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| 48 | TP_printk("gpu_id=%u pid=%u size=%llu" , |
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| 49 | __entry->gpu_id, |
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| 50 | __entry->pid, |
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| 51 | __entry->size) |
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| 52 | ); |
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| 53 | |
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| 54 | #endif /* _TRACE_GPU_MEM_H */ |
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| 55 | |
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| 56 | /* This part must be outside protection */ |
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| 57 | #include <trace/define_trace.h> |
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| 58 | |
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