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