[1166] | 1 | /* OpenACC Profiling Interface
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| 2 |
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| 3 | Copyright (C) 2019-2021 Free Software Foundation, Inc.
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| 4 |
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| 5 | Contributed by Mentor, a Siemens Business.
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| 6 |
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| 7 | This file is part of the GNU Offloading and Multi Processing Library
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| 8 | (libgomp).
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| 9 |
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| 10 | Libgomp is free software; you can redistribute it and/or modify it
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| 11 | under the terms of the GNU General Public License as published by
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| 12 | the Free Software Foundation; either version 3, or (at your option)
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| 13 | any later version.
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| 14 |
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| 15 | Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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| 16 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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| 18 | more details.
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| 19 |
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| 20 | Under Section 7 of GPL version 3, you are granted additional
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| 21 | permissions described in the GCC Runtime Library Exception, version
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| 22 | 3.1, as published by the Free Software Foundation.
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| 23 |
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| 24 | You should have received a copy of the GNU General Public License and
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| 25 | a copy of the GCC Runtime Library Exception along with this program;
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| 26 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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| 27 | <http://www.gnu.org/licenses/>. */
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| 28 |
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| 29 | #ifndef _ACC_PROF_H
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| 30 | #define _ACC_PROF_H 1
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| 31 |
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| 32 |
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| 33 | /* The OpenACC specification doesn't say so explicitly, but as its Profiling
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| 34 | Interface explicitly makes use of, for example, <openacc.h>'s
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| 35 | 'acc_device_t', we supposedly are to '#include' that file here. */
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| 36 |
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| 37 | #include <openacc.h>
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| 38 |
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| 39 |
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| 40 | #ifdef __cplusplus
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| 41 | extern "C" {
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| 42 | #endif
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| 43 |
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| 44 |
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| 45 | /* Events. */
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| 46 |
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| 47 | typedef enum acc_event_t
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| 48 | {
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| 49 | acc_ev_none = 0,
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| 50 | acc_ev_device_init_start,
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| 51 | acc_ev_device_init_end,
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| 52 | acc_ev_device_shutdown_start,
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| 53 | acc_ev_device_shutdown_end,
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| 54 | acc_ev_runtime_shutdown,
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| 55 | acc_ev_create,
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| 56 | acc_ev_delete,
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| 57 | acc_ev_alloc,
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| 58 | acc_ev_free,
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| 59 | acc_ev_enter_data_start,
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| 60 | acc_ev_enter_data_end,
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| 61 | acc_ev_exit_data_start,
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| 62 | acc_ev_exit_data_end,
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| 63 | acc_ev_update_start,
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| 64 | acc_ev_update_end,
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| 65 | acc_ev_compute_construct_start,
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| 66 | acc_ev_compute_construct_end,
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| 67 | acc_ev_enqueue_launch_start,
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| 68 | acc_ev_enqueue_launch_end,
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| 69 | acc_ev_enqueue_upload_start,
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| 70 | acc_ev_enqueue_upload_end,
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| 71 | acc_ev_enqueue_download_start,
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| 72 | acc_ev_enqueue_download_end,
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| 73 | acc_ev_wait_start,
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| 74 | acc_ev_wait_end,
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| 75 | acc_ev_last
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| 76 | } acc_event_t;
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| 77 |
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| 78 |
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| 79 | /* Callbacks Signature. */
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| 80 |
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| 81 | /* "The datatype 'ssize_t' means a signed 32-bit integer for a 32-bit binary
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| 82 | and a 64-bit integer for a 64-bit binary". */
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| 83 | typedef signed long int _acc_prof_ssize_t;
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| 84 | /* "The datatype 'size_t' means an unsigned 32-bit integer for a 32-bit binary
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| 85 | and a 64-bit integer for a 64-bit binary". */
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| 86 | typedef unsigned long int _acc_prof_size_t;
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| 87 | /* "The datatype 'int' means a 32-bit integer for both 32-bit and 64-bit
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| 88 | binaries". */
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| 89 | typedef int _acc_prof_int_t;
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| 90 |
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| 91 | /* Internal helpers: a struct's 'valid_bytes' may be less than its 'sizeof'. */
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| 92 | #define _ACC_PROF_VALID_BYTES_STRUCT(_struct, _lastfield, _valid_bytes_lastfield) \
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| 93 | offsetof (_struct, _lastfield) + (_valid_bytes_lastfield)
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| 94 | #if 0 /* Untested. */
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| 95 | #define _ACC_PROF_VALID_BYTES_TYPE_N(_type, _n, _valid_bytes_type) \
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| 96 | ((_n - 1) * sizeof (_type) + (_valid_bytes_type))
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| 97 | #endif
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| 98 | #define _ACC_PROF_VALID_BYTES_BASICTYPE(_basictype) \
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| 99 | (sizeof (_basictype))
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| 100 |
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| 101 | typedef struct acc_prof_info
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| 102 | {
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| 103 | acc_event_t event_type;
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| 104 | _acc_prof_int_t valid_bytes;
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| 105 | _acc_prof_int_t version;
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| 106 | acc_device_t device_type;
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| 107 | _acc_prof_int_t device_number;
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| 108 | _acc_prof_int_t thread_id;
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| 109 | _acc_prof_ssize_t async;
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| 110 | _acc_prof_ssize_t async_queue;
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| 111 | const char *src_file;
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| 112 | const char *func_name;
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| 113 | _acc_prof_int_t line_no, end_line_no;
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| 114 | _acc_prof_int_t func_line_no, func_end_line_no;
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| 115 | #define _ACC_PROF_INFO_VALID_BYTES \
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| 116 | _ACC_PROF_VALID_BYTES_STRUCT (acc_prof_info, func_end_line_no, \
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| 117 | _ACC_PROF_VALID_BYTES_BASICTYPE (_acc_prof_int_t))
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| 118 | } acc_prof_info;
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| 119 |
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| 120 | /* We implement the OpenACC 2.6 Profiling Interface. */
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| 121 |
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| 122 | #define _ACC_PROF_INFO_VERSION 201711
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| 123 |
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| 124 | typedef enum acc_construct_t
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| 125 | {
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| 126 | acc_construct_parallel = 0,
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| 127 | acc_construct_kernels,
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| 128 | acc_construct_loop,
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| 129 | acc_construct_data,
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| 130 | acc_construct_enter_data,
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| 131 | acc_construct_exit_data,
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| 132 | acc_construct_host_data,
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| 133 | acc_construct_atomic,
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| 134 | acc_construct_declare,
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| 135 | acc_construct_init,
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| 136 | acc_construct_shutdown,
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| 137 | acc_construct_set,
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| 138 | acc_construct_update,
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| 139 | acc_construct_routine,
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| 140 | acc_construct_wait,
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| 141 | acc_construct_runtime_api,
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| 142 | acc_construct_serial
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| 143 | } acc_construct_t;
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| 144 |
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| 145 | typedef struct acc_data_event_info
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| 146 | {
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| 147 | acc_event_t event_type;
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| 148 | _acc_prof_int_t valid_bytes;
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| 149 | acc_construct_t parent_construct;
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| 150 | _acc_prof_int_t implicit;
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| 151 | void *tool_info;
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| 152 | const char *var_name;
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| 153 | _acc_prof_size_t bytes;
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| 154 | const void *host_ptr;
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| 155 | const void *device_ptr;
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| 156 | #define _ACC_DATA_EVENT_INFO_VALID_BYTES \
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| 157 | _ACC_PROF_VALID_BYTES_STRUCT (acc_data_event_info, device_ptr, \
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| 158 | _ACC_PROF_VALID_BYTES_BASICTYPE (void *))
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| 159 | } acc_data_event_info;
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| 160 |
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| 161 | typedef struct acc_launch_event_info
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| 162 | {
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| 163 | acc_event_t event_type;
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| 164 | _acc_prof_int_t valid_bytes;
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| 165 | acc_construct_t parent_construct;
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| 166 | _acc_prof_int_t implicit;
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| 167 | void *tool_info;
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| 168 | const char *kernel_name;
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| 169 | _acc_prof_size_t num_gangs, num_workers, vector_length;
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| 170 | #define _ACC_LAUNCH_EVENT_INFO_VALID_BYTES \
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| 171 | _ACC_PROF_VALID_BYTES_STRUCT (acc_launch_event_info, vector_length, \
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| 172 | _ACC_PROF_VALID_BYTES_BASICTYPE (_acc_prof_size_t))
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| 173 | } acc_launch_event_info;
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| 174 |
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| 175 | typedef struct acc_other_event_info
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| 176 | {
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| 177 | acc_event_t event_type;
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| 178 | _acc_prof_int_t valid_bytes;
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| 179 | acc_construct_t parent_construct;
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| 180 | _acc_prof_int_t implicit;
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| 181 | void *tool_info;
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| 182 | #define _ACC_OTHER_EVENT_INFO_VALID_BYTES \
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| 183 | _ACC_PROF_VALID_BYTES_STRUCT (acc_other_event_info, tool_info, \
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| 184 | _ACC_PROF_VALID_BYTES_BASICTYPE (void *))
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| 185 | } acc_other_event_info;
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| 186 |
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| 187 | typedef union acc_event_info
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| 188 | {
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| 189 | acc_event_t event_type;
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| 190 | acc_data_event_info data_event;
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| 191 | acc_launch_event_info launch_event;
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| 192 | acc_other_event_info other_event;
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| 193 | } acc_event_info;
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| 194 |
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| 195 | typedef enum acc_device_api
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| 196 | {
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| 197 | acc_device_api_none = 0,
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| 198 | acc_device_api_cuda,
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| 199 | acc_device_api_opencl,
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| 200 | acc_device_api_coi,
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| 201 | acc_device_api_other
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| 202 | } acc_device_api;
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| 203 |
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| 204 | typedef struct acc_api_info
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| 205 | {
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| 206 | acc_device_api device_api;
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| 207 | _acc_prof_int_t valid_bytes;
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| 208 | acc_device_t device_type;
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| 209 | _acc_prof_int_t vendor;
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| 210 | const void *device_handle;
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| 211 | const void *context_handle;
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| 212 | const void *async_handle;
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| 213 | #define _ACC_API_INFO_VALID_BYTES \
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| 214 | _ACC_PROF_VALID_BYTES_STRUCT (acc_api_info, async_handle, \
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| 215 | _ACC_PROF_VALID_BYTES_BASICTYPE (void *))
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| 216 | } acc_api_info;
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| 217 |
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| 218 | /* Don't tag 'acc_prof_callback' as '__GOACC_NOTHROW': these functions are
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| 219 | provided by user code, and must be expected to do anything. */
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| 220 | typedef void (*acc_prof_callback) (acc_prof_info *, acc_event_info *,
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| 221 | acc_api_info *);
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| 222 |
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| 223 |
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| 224 | /* Loading the Library. */
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| 225 |
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| 226 | typedef enum acc_register_t
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| 227 | {
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| 228 | acc_reg = 0,
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| 229 | acc_toggle = 1,
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| 230 | acc_toggle_per_thread = 2
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| 231 | } acc_register_t;
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| 232 |
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| 233 | typedef void (*acc_prof_reg) (acc_event_t, acc_prof_callback, acc_register_t);
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| 234 | extern void acc_prof_register (acc_event_t, acc_prof_callback,
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| 235 | acc_register_t) __GOACC_NOTHROW;
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| 236 | extern void acc_prof_unregister (acc_event_t, acc_prof_callback,
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| 237 | acc_register_t) __GOACC_NOTHROW;
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| 238 | typedef void (*acc_query_fn) ();
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| 239 | typedef acc_query_fn (*acc_prof_lookup_func) (const char *);
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| 240 | extern acc_query_fn acc_prof_lookup (const char *) __GOACC_NOTHROW;
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| 241 | /* Don't tag 'acc_register_library' as '__GOACC_NOTHROW': this function can be
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| 242 | overridden by user code, and must be expected to do anything. */
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| 243 | extern void acc_register_library (acc_prof_reg, acc_prof_reg,
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| 244 | acc_prof_lookup_func);
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| 245 |
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| 246 |
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| 247 | #ifdef __cplusplus
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| 248 | }
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| 249 | #endif
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| 250 |
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| 251 |
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| 252 | #endif /* _ACC_PROF_H */
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