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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 | /* pipe_b.c */ /* * Copyright (c) 1997-2010, 2013-2014 Wind River Systems, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "master.h" #ifdef PIPE_BENCH #ifdef FLOAT #define PRINT_ALL_TO_N_HEADER_UNIT() \ PRINT_STRING("| size(B) | time/packet (usec) | "\ " MB/sec |\n", output_file); #define PRINT_ALL_TO_N() \ PRINT_F(output_file, \ "|%5lu|%5lu|%10.3f|%10.3f|%10.3f|%10.3f|%10.3f|%10.3f|\n", \ putsize, putsize, puttime[0] / 1000.0, puttime[1] / 1000.0, \ puttime[2] / 1000.0, \ (1000.0 * putsize) / puttime[0], \ (1000.0 * putsize) / puttime[1], \ (1000.0 * putsize) / puttime[2]) #define PRINT_1_TO_N_HEADER() \ PRINT_STRING("| size(B) | time/packet (usec) | "\ " MB/sec |\n", output_file); \ PRINT_STRING(dashline, output_file); #define PRINT_1_TO_N() \ PRINT_F(output_file, \ "|%5lu|%5d|%10.3f|%10.3f|%10.3f|%10.3f|%10.3f|%10.3f|\n",\ putsize, \ getsize, \ puttime[0] / 1000.0, \ puttime[1] / 1000.0, \ puttime[2] / 1000.0, \ (1000.0 * putsize) / puttime[0], \ (1000.0 * putsize) / puttime[1], \ (1000.0 * putsize) / puttime[2]) #else #define PRINT_ALL_TO_N_HEADER_UNIT() \ PRINT_STRING("| size(B) | time/packet (nsec) | "\ " KB/sec |\n", output_file); #define PRINT_ALL_TO_N() \ PRINT_F(output_file, \ "|%5lu|%5lu|%10lu|%10lu|%10lu|%10lu|%10lu|%10lu|\n", \ putsize, putsize, puttime[0], puttime[1], \ puttime[2], \ (1000000 * putsize) / puttime[0], \ (1000000 * putsize) / puttime[1], \ (1000000 * putsize) / puttime[2]); #define PRINT_1_TO_N_HEADER() \ PRINT_STRING("| size(B) | time/packet (nsec) | "\ " KB/sec |\n", output_file); \ PRINT_STRING(dashline, output_file); #define PRINT_1_TO_N() \ PRINT_F(output_file, \ "|%5lu|%5d|%10lu|%10lu|%10lu|%10lu|%10lu|%10lu|\n", \ putsize, \ getsize, \ puttime[0], \ puttime[1], \ puttime[2], \ (uint32_t)((1000000 * (uint64_t)putsize) / puttime[0]), \ (uint32_t)((1000000 * (uint64_t)putsize) / puttime[1]), \ (uint32_t)((1000000 * (uint64_t)putsize) / puttime[2])); #endif /* FLOAT */ /* * Function prototypes. */ int pipeput(kpipe_t pipe, K_PIPE_OPTION option, int size, int count, uint32_t *time); /* * Function declarations. */ /** * * @brief Test the pipes transfer speed * * @return N/A */ void pipe_test(void) { uint32_t putsize; int getsize; uint32_t puttime[3]; int putcount; int pipe; kpriority_t TaskPrio = UINT32_MAX; int prio; GetInfo getinfo; task_sem_reset(SEM0); task_sem_give(STARTRCV); /* action: */ /* non-buffered operation, matching (ALL_N) */ PRINT_STRING(dashline, output_file); PRINT_STRING("| " "P I P E M E A S U R E M E N T S" " |\n", output_file); PRINT_STRING(dashline, output_file); PRINT_STRING("| Send data into a pipe towards a " "receiving high priority task and wait |\n", output_file); PRINT_STRING(dashline, output_file); PRINT_STRING("| " "matching sizes (_ALL_N)" " |\n", output_file); PRINT_STRING(dashline, output_file); PRINT_ALL_TO_N_HEADER_UNIT(); PRINT_STRING(dashline, output_file); PRINT_STRING("| put | get | no buf | small buf| big buf |" " no buf | small buf| big buf |\n", output_file); PRINT_STRING(dashline, output_file); for (putsize = 8; putsize <= MESSAGE_SIZE_PIPE; putsize <<= 1) { for (pipe = 0; pipe < 3; pipe++) { putcount = NR_OF_PIPE_RUNS; pipeput(TestPipes[pipe], _ALL_N, putsize, putcount, &puttime[pipe]); /* waiting for ack */ task_fifo_get(CH_COMM, &getinfo, TICKS_UNLIMITED); } PRINT_ALL_TO_N(); } PRINT_STRING(dashline, output_file); /* Test with two different sender priorities */ for (prio = 0; prio < 2; prio++) { /* non-buffered operation, non-matching (1_TO_N) */ if (prio == 0) { PRINT_STRING("| " "non-matching sizes (1_TO_N) to higher priority" " |\n", output_file); TaskPrio = task_priority_get(); } if (prio == 1) { PRINT_STRING("| " "non-matching sizes (1_TO_N) to lower priority" " |\n", output_file); task_priority_set(task_id_get(), TaskPrio - 2); } PRINT_STRING(dashline, output_file); PRINT_1_TO_N_HEADER(); PRINT_STRING("| put | get | no buf | small buf| big buf | " "no buf | small buf| big buf |\n", output_file); PRINT_STRING(dashline, output_file); for (putsize = 8; putsize <= (MESSAGE_SIZE_PIPE); putsize <<= 1) { putcount = MESSAGE_SIZE_PIPE / putsize; for (pipe = 0; pipe < 3; pipe++) { pipeput(TestPipes[pipe], _1_TO_N, putsize, putcount, &puttime[pipe]); /* size*count == MESSAGE_SIZE_PIPE */ /* waiting for ack */ task_fifo_get(CH_COMM, &getinfo, TICKS_UNLIMITED); getsize = getinfo.size; } PRINT_1_TO_N(); } PRINT_STRING(dashline, output_file); task_priority_set(task_id_get(), TaskPrio); } } /** * * @brief Write a data portion to the pipe and measure time * * @return 0 on success, 1 on error * * @param pipe The pipe to be tested. * @param option _ALL_TO_N or _1_TO_N. * @param size Data chunk size. * @param count Number of data chunks. * @param time Total write time. */ int pipeput(kpipe_t pipe, K_PIPE_OPTION option, int size, int count, uint32_t *time) { int i; unsigned int t; int sizexferd_total = 0; int size2xfer_total = size * count; /* first sync with the receiver */ task_sem_give(SEM0); t = BENCH_START(); for (i = 0; _1_TO_N == option || (i < count); i++) { int sizexferd = 0; int size2xfer = min(size, size2xfer_total - sizexferd_total); int ret; ret = task_pipe_put(pipe, data_bench, size2xfer, &sizexferd, option, TICKS_UNLIMITED); if (RC_OK != ret) { return 1; } if (_ALL_N == option && sizexferd != size2xfer) { return 1; } sizexferd_total += sizexferd; if (size2xfer_total == sizexferd_total) { break; } if (size2xfer_total < sizexferd_total) { return 1; } } t = TIME_STAMP_DELTA_GET(t); *time = SYS_CLOCK_HW_CYCLES_TO_NS_AVG(t, count); if (bench_test_end() < 0) { if (high_timer_overflow()) { PRINT_STRING("| Timer overflow. Results are invalid ", output_file); } else { PRINT_STRING("| Tick occurred. Results may be inaccurate ", output_file); } PRINT_STRING(" |\n", output_file); } return 0; } #endif /* PIPE_BENCH */ |