1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Intel dynamic_speed_select -- Enumerate and control features 4 * Copyright (c) 2019 Intel Corporation. 5 */ 6 7 #include "isst.h" 8 9 #define DISP_FREQ_MULTIPLIER 100 10 11 static void printcpulist(int str_len, char *str, int mask_size, 12 cpu_set_t *cpu_mask) 13 { 14 int i, first, curr_index, index; 15 16 if (!CPU_COUNT_S(mask_size, cpu_mask)) { 17 snprintf(str, str_len, "none"); 18 return; 19 } 20 21 curr_index = 0; 22 first = 1; 23 for (i = 0; i < get_topo_max_cpus(); ++i) { 24 if (!CPU_ISSET_S(i, mask_size, cpu_mask)) 25 continue; 26 if (!first) { 27 index = snprintf(&str[curr_index], 28 str_len - curr_index, ","); 29 curr_index += index; 30 } 31 index = snprintf(&str[curr_index], str_len - curr_index, "%d", 32 i); 33 curr_index += index; 34 first = 0; 35 } 36 } 37 38 static void printcpumask(int str_len, char *str, int mask_size, 39 cpu_set_t *cpu_mask) 40 { 41 int i, max_cpus = get_topo_max_cpus(); 42 unsigned int *mask; 43 int size, index, curr_index; 44 45 size = max_cpus / (sizeof(unsigned int) * 8); 46 if (max_cpus % (sizeof(unsigned int) * 8)) 47 size++; 48 49 mask = calloc(size, sizeof(unsigned int)); 50 if (!mask) 51 return; 52 53 for (i = 0; i < max_cpus; ++i) { 54 int mask_index, bit_index; 55 56 if (!CPU_ISSET_S(i, mask_size, cpu_mask)) 57 continue; 58 59 mask_index = i / (sizeof(unsigned int) * 8); 60 bit_index = i % (sizeof(unsigned int) * 8); 61 mask[mask_index] |= BIT(bit_index); 62 } 63 64 curr_index = 0; 65 for (i = size - 1; i >= 0; --i) { 66 index = snprintf(&str[curr_index], str_len - curr_index, "%08x", 67 mask[i]); 68 curr_index += index; 69 if (i) { 70 strncat(&str[curr_index], ",", str_len - curr_index); 71 curr_index++; 72 } 73 } 74 75 free(mask); 76 } 77 78 static void format_and_print_txt(FILE *outf, int level, char *header, 79 char *value) 80 { 81 char *spaces = " "; 82 static char delimiters[256]; 83 int i, j = 0; 84 85 if (!level) 86 return; 87 88 if (level == 1) { 89 strcpy(delimiters, " "); 90 } else { 91 for (i = 0; i < level - 1; ++i) 92 j += snprintf(&delimiters[j], sizeof(delimiters) - j, 93 "%s", spaces); 94 } 95 96 if (header && value) { 97 fprintf(outf, "%s", delimiters); 98 fprintf(outf, "%s:%s\n", header, value); 99 } else if (header) { 100 fprintf(outf, "%s", delimiters); 101 fprintf(outf, "%s\n", header); 102 } 103 } 104 105 static int last_level; 106 static void format_and_print(FILE *outf, int level, char *header, char *value) 107 { 108 char *spaces = " "; 109 static char delimiters[256]; 110 int i; 111 112 if (!out_format_is_json()) { 113 format_and_print_txt(outf, level, header, value); 114 return; 115 } 116 117 if (level == 0) { 118 if (header) 119 fprintf(outf, "{"); 120 else 121 fprintf(outf, "\n}\n"); 122 123 } else { 124 int j = 0; 125 126 for (i = 0; i < level; ++i) 127 j += snprintf(&delimiters[j], sizeof(delimiters) - j, 128 "%s", spaces); 129 130 if (last_level == level) 131 fprintf(outf, ",\n"); 132 133 if (value) { 134 if (last_level != level) 135 fprintf(outf, "\n"); 136 137 fprintf(outf, "%s\"%s\": ", delimiters, header); 138 fprintf(outf, "\"%s\"", value); 139 } else { 140 for (i = last_level - 1; i >= level; --i) { 141 int k = 0; 142 143 for (j = i; j > 0; --j) 144 k += snprintf(&delimiters[k], 145 sizeof(delimiters) - k, 146 "%s", spaces); 147 if (i == level && header) 148 fprintf(outf, "\n%s},", delimiters); 149 else 150 fprintf(outf, "\n%s}", delimiters); 151 } 152 if (abs(last_level - level) < 3) 153 fprintf(outf, "\n"); 154 if (header) 155 fprintf(outf, "%s\"%s\": {", delimiters, 156 header); 157 } 158 } 159 160 last_level = level; 161 } 162 163 static void print_package_info(int cpu, FILE *outf) 164 { 165 char header[256]; 166 167 snprintf(header, sizeof(header), "package-%d", 168 get_physical_package_id(cpu)); 169 format_and_print(outf, 1, header, NULL); 170 snprintf(header, sizeof(header), "die-%d", get_physical_die_id(cpu)); 171 format_and_print(outf, 2, header, NULL); 172 snprintf(header, sizeof(header), "cpu-%d", cpu); 173 format_and_print(outf, 3, header, NULL); 174 } 175 176 static void _isst_pbf_display_information(int cpu, FILE *outf, int level, 177 struct isst_pbf_info *pbf_info, 178 int disp_level) 179 { 180 char header[256]; 181 char value[256]; 182 183 snprintf(header, sizeof(header), "speed-select-base-freq"); 184 format_and_print(outf, disp_level, header, NULL); 185 186 snprintf(header, sizeof(header), "high-priority-base-frequency(MHz)"); 187 snprintf(value, sizeof(value), "%d", 188 pbf_info->p1_high * DISP_FREQ_MULTIPLIER); 189 format_and_print(outf, disp_level + 1, header, value); 190 191 snprintf(header, sizeof(header), "high-priority-cpu-mask"); 192 printcpumask(sizeof(value), value, pbf_info->core_cpumask_size, 193 pbf_info->core_cpumask); 194 format_and_print(outf, disp_level + 1, header, value); 195 196 snprintf(header, sizeof(header), "high-priority-cpu-list"); 197 printcpulist(sizeof(value), value, 198 pbf_info->core_cpumask_size, 199 pbf_info->core_cpumask); 200 format_and_print(outf, disp_level + 1, header, value); 201 202 snprintf(header, sizeof(header), "low-priority-base-frequency(MHz)"); 203 snprintf(value, sizeof(value), "%d", 204 pbf_info->p1_low * DISP_FREQ_MULTIPLIER); 205 format_and_print(outf, disp_level + 1, header, value); 206 207 snprintf(header, sizeof(header), "tjunction-temperature(C)"); 208 snprintf(value, sizeof(value), "%d", pbf_info->t_prochot); 209 format_and_print(outf, disp_level + 1, header, value); 210 211 snprintf(header, sizeof(header), "thermal-design-power(W)"); 212 snprintf(value, sizeof(value), "%d", pbf_info->tdp); 213 format_and_print(outf, disp_level + 1, header, value); 214 } 215 216 static void _isst_fact_display_information(int cpu, FILE *outf, int level, 217 int fact_bucket, int fact_avx, 218 struct isst_fact_info *fact_info, 219 int base_level) 220 { 221 struct isst_fact_bucket_info *bucket_info = fact_info->bucket_info; 222 char header[256]; 223 char value[256]; 224 int j; 225 226 snprintf(header, sizeof(header), "speed-select-turbo-freq"); 227 format_and_print(outf, base_level, header, NULL); 228 for (j = 0; j < ISST_FACT_MAX_BUCKETS; ++j) { 229 if (fact_bucket != 0xff && fact_bucket != j) 230 continue; 231 232 if (!bucket_info[j].high_priority_cores_count) 233 break; 234 235 snprintf(header, sizeof(header), "bucket-%d", j); 236 format_and_print(outf, base_level + 1, header, NULL); 237 238 snprintf(header, sizeof(header), "high-priority-cores-count"); 239 snprintf(value, sizeof(value), "%d", 240 bucket_info[j].high_priority_cores_count); 241 format_and_print(outf, base_level + 2, header, value); 242 243 if (fact_avx & 0x01) { 244 snprintf(header, sizeof(header), 245 "high-priority-max-frequency(MHz)"); 246 snprintf(value, sizeof(value), "%d", 247 bucket_info[j].sse_trl * DISP_FREQ_MULTIPLIER); 248 format_and_print(outf, base_level + 2, header, value); 249 } 250 251 if (fact_avx & 0x02) { 252 snprintf(header, sizeof(header), 253 "high-priority-max-avx2-frequency(MHz)"); 254 snprintf(value, sizeof(value), "%d", 255 bucket_info[j].avx_trl * DISP_FREQ_MULTIPLIER); 256 format_and_print(outf, base_level + 2, header, value); 257 } 258 259 if (fact_avx & 0x04) { 260 snprintf(header, sizeof(header), 261 "high-priority-max-avx512-frequency(MHz)"); 262 snprintf(value, sizeof(value), "%d", 263 bucket_info[j].avx512_trl * 264 DISP_FREQ_MULTIPLIER); 265 format_and_print(outf, base_level + 2, header, value); 266 } 267 } 268 snprintf(header, sizeof(header), 269 "speed-select-turbo-freq-clip-frequencies"); 270 format_and_print(outf, base_level + 1, header, NULL); 271 snprintf(header, sizeof(header), "low-priority-max-frequency(MHz)"); 272 snprintf(value, sizeof(value), "%d", 273 fact_info->lp_clipping_ratio_license_sse * 274 DISP_FREQ_MULTIPLIER); 275 format_and_print(outf, base_level + 2, header, value); 276 snprintf(header, sizeof(header), 277 "low-priority-max-avx2-frequency(MHz)"); 278 snprintf(value, sizeof(value), "%d", 279 fact_info->lp_clipping_ratio_license_avx2 * 280 DISP_FREQ_MULTIPLIER); 281 format_and_print(outf, base_level + 2, header, value); 282 snprintf(header, sizeof(header), 283 "low-priority-max-avx512-frequency(MHz)"); 284 snprintf(value, sizeof(value), "%d", 285 fact_info->lp_clipping_ratio_license_avx512 * 286 DISP_FREQ_MULTIPLIER); 287 format_and_print(outf, base_level + 2, header, value); 288 } 289 290 void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level, 291 struct isst_pkg_ctdp *pkg_dev) 292 { 293 char header[256]; 294 char value[256]; 295 int i, base_level = 1; 296 297 print_package_info(cpu, outf); 298 299 for (i = 0; i <= pkg_dev->levels; ++i) { 300 struct isst_pkg_ctdp_level_info *ctdp_level; 301 int j; 302 303 ctdp_level = &pkg_dev->ctdp_level[i]; 304 if (!ctdp_level->processed) 305 continue; 306 307 snprintf(header, sizeof(header), "perf-profile-level-%d", 308 ctdp_level->level); 309 format_and_print(outf, base_level + 3, header, NULL); 310 311 snprintf(header, sizeof(header), "cpu-count"); 312 j = get_cpu_count(get_physical_die_id(cpu), 313 get_physical_die_id(cpu)); 314 snprintf(value, sizeof(value), "%d", j); 315 format_and_print(outf, base_level + 4, header, value); 316 317 snprintf(header, sizeof(header), "enable-cpu-mask"); 318 printcpumask(sizeof(value), value, 319 ctdp_level->core_cpumask_size, 320 ctdp_level->core_cpumask); 321 format_and_print(outf, base_level + 4, header, value); 322 323 snprintf(header, sizeof(header), "enable-cpu-list"); 324 printcpulist(sizeof(value), value, 325 ctdp_level->core_cpumask_size, 326 ctdp_level->core_cpumask); 327 format_and_print(outf, base_level + 4, header, value); 328 329 snprintf(header, sizeof(header), "thermal-design-power-ratio"); 330 snprintf(value, sizeof(value), "%d", ctdp_level->tdp_ratio); 331 format_and_print(outf, base_level + 4, header, value); 332 333 snprintf(header, sizeof(header), "base-frequency(MHz)"); 334 snprintf(value, sizeof(value), "%d", 335 ctdp_level->tdp_ratio * DISP_FREQ_MULTIPLIER); 336 format_and_print(outf, base_level + 4, header, value); 337 338 snprintf(header, sizeof(header), 339 "speed-select-turbo-freq"); 340 if (ctdp_level->fact_support) { 341 if (ctdp_level->fact_enabled) 342 snprintf(value, sizeof(value), "enabled"); 343 else 344 snprintf(value, sizeof(value), "disabled"); 345 } else 346 snprintf(value, sizeof(value), "unsupported"); 347 format_and_print(outf, base_level + 4, header, value); 348 349 snprintf(header, sizeof(header), 350 "speed-select-base-freq"); 351 if (ctdp_level->pbf_support) { 352 if (ctdp_level->pbf_enabled) 353 snprintf(value, sizeof(value), "enabled"); 354 else 355 snprintf(value, sizeof(value), "disabled"); 356 } else 357 snprintf(value, sizeof(value), "unsupported"); 358 format_and_print(outf, base_level + 4, header, value); 359 360 snprintf(header, sizeof(header), "thermal-design-power(W)"); 361 snprintf(value, sizeof(value), "%d", ctdp_level->pkg_tdp); 362 format_and_print(outf, base_level + 4, header, value); 363 364 snprintf(header, sizeof(header), "tjunction-max(C)"); 365 snprintf(value, sizeof(value), "%d", ctdp_level->t_proc_hot); 366 format_and_print(outf, base_level + 4, header, value); 367 368 snprintf(header, sizeof(header), "turbo-ratio-limits-sse"); 369 format_and_print(outf, base_level + 4, header, NULL); 370 for (j = 0; j < 8; ++j) { 371 snprintf(header, sizeof(header), "bucket-%d", j); 372 format_and_print(outf, base_level + 5, header, NULL); 373 374 snprintf(header, sizeof(header), "core-count"); 375 snprintf(value, sizeof(value), "%llu", (ctdp_level->buckets_info >> (j * 8)) & 0xff); 376 format_and_print(outf, base_level + 6, header, value); 377 378 snprintf(header, sizeof(header), 379 "max-turbo-frequency(MHz)"); 380 snprintf(value, sizeof(value), "%d", 381 ctdp_level->trl_sse_active_cores[j] * 382 DISP_FREQ_MULTIPLIER); 383 format_and_print(outf, base_level + 6, header, value); 384 } 385 snprintf(header, sizeof(header), "turbo-ratio-limits-avx"); 386 format_and_print(outf, base_level + 4, header, NULL); 387 for (j = 0; j < 8; ++j) { 388 snprintf(header, sizeof(header), "bucket-%d", j); 389 format_and_print(outf, base_level + 5, header, NULL); 390 391 snprintf(header, sizeof(header), "core-count"); 392 snprintf(value, sizeof(value), "%llu", (ctdp_level->buckets_info >> (j * 8)) & 0xff); 393 format_and_print(outf, base_level + 6, header, value); 394 395 snprintf(header, sizeof(header), 396 "max-turbo-frequency(MHz)"); 397 snprintf(value, sizeof(value), "%d", 398 ctdp_level->trl_avx_active_cores[j] * 399 DISP_FREQ_MULTIPLIER); 400 format_and_print(outf, base_level + 6, header, value); 401 } 402 403 snprintf(header, sizeof(header), "turbo-ratio-limits-avx512"); 404 format_and_print(outf, base_level + 4, header, NULL); 405 for (j = 0; j < 8; ++j) { 406 snprintf(header, sizeof(header), "bucket-%d", j); 407 format_and_print(outf, base_level + 5, header, NULL); 408 409 snprintf(header, sizeof(header), "core-count"); 410 snprintf(value, sizeof(value), "%llu", (ctdp_level->buckets_info >> (j * 8)) & 0xff); 411 format_and_print(outf, base_level + 6, header, value); 412 413 snprintf(header, sizeof(header), 414 "max-turbo-frequency(MHz)"); 415 snprintf(value, sizeof(value), "%d", 416 ctdp_level->trl_avx_512_active_cores[j] * 417 DISP_FREQ_MULTIPLIER); 418 format_and_print(outf, base_level + 6, header, value); 419 } 420 if (ctdp_level->pbf_support) 421 _isst_pbf_display_information(cpu, outf, i, 422 &ctdp_level->pbf_info, 423 base_level + 4); 424 if (ctdp_level->fact_support) 425 _isst_fact_display_information(cpu, outf, i, 0xff, 0xff, 426 &ctdp_level->fact_info, 427 base_level + 4); 428 } 429 430 format_and_print(outf, 1, NULL, NULL); 431 } 432 433 void isst_ctdp_display_information_start(FILE *outf) 434 { 435 last_level = 0; 436 format_and_print(outf, 0, "start", NULL); 437 } 438 439 void isst_ctdp_display_information_end(FILE *outf) 440 { 441 format_and_print(outf, 0, NULL, NULL); 442 } 443 444 void isst_pbf_display_information(int cpu, FILE *outf, int level, 445 struct isst_pbf_info *pbf_info) 446 { 447 print_package_info(cpu, outf); 448 _isst_pbf_display_information(cpu, outf, level, pbf_info, 4); 449 format_and_print(outf, 1, NULL, NULL); 450 } 451 452 void isst_fact_display_information(int cpu, FILE *outf, int level, 453 int fact_bucket, int fact_avx, 454 struct isst_fact_info *fact_info) 455 { 456 print_package_info(cpu, outf); 457 _isst_fact_display_information(cpu, outf, level, fact_bucket, fact_avx, 458 fact_info, 4); 459 format_and_print(outf, 1, NULL, NULL); 460 } 461 462 void isst_clos_display_information(int cpu, FILE *outf, int clos, 463 struct isst_clos_config *clos_config) 464 { 465 char header[256]; 466 char value[256]; 467 468 snprintf(header, sizeof(header), "package-%d", 469 get_physical_package_id(cpu)); 470 format_and_print(outf, 1, header, NULL); 471 snprintf(header, sizeof(header), "die-%d", get_physical_die_id(cpu)); 472 format_and_print(outf, 2, header, NULL); 473 snprintf(header, sizeof(header), "cpu-%d", cpu); 474 format_and_print(outf, 3, header, NULL); 475 476 snprintf(header, sizeof(header), "core-power"); 477 format_and_print(outf, 4, header, NULL); 478 479 snprintf(header, sizeof(header), "clos"); 480 snprintf(value, sizeof(value), "%d", clos); 481 format_and_print(outf, 5, header, value); 482 483 snprintf(header, sizeof(header), "epp"); 484 snprintf(value, sizeof(value), "%d", clos_config->epp); 485 format_and_print(outf, 5, header, value); 486 487 snprintf(header, sizeof(header), "clos-proportional-priority"); 488 snprintf(value, sizeof(value), "%d", clos_config->clos_prop_prio); 489 format_and_print(outf, 5, header, value); 490 491 snprintf(header, sizeof(header), "clos-min"); 492 snprintf(value, sizeof(value), "%d", clos_config->clos_min); 493 format_and_print(outf, 5, header, value); 494 495 snprintf(header, sizeof(header), "clos-max"); 496 snprintf(value, sizeof(value), "%d", clos_config->clos_max); 497 format_and_print(outf, 5, header, value); 498 499 snprintf(header, sizeof(header), "clos-desired"); 500 snprintf(value, sizeof(value), "%d", clos_config->clos_desired); 501 format_and_print(outf, 5, header, value); 502 503 format_and_print(outf, 1, NULL, NULL); 504 } 505 506 void isst_display_result(int cpu, FILE *outf, char *feature, char *cmd, 507 int result) 508 { 509 char header[256]; 510 char value[256]; 511 512 snprintf(header, sizeof(header), "package-%d", 513 get_physical_package_id(cpu)); 514 format_and_print(outf, 1, header, NULL); 515 snprintf(header, sizeof(header), "die-%d", get_physical_die_id(cpu)); 516 format_and_print(outf, 2, header, NULL); 517 snprintf(header, sizeof(header), "cpu-%d", cpu); 518 format_and_print(outf, 3, header, NULL); 519 snprintf(header, sizeof(header), "%s", feature); 520 format_and_print(outf, 4, header, NULL); 521 snprintf(header, sizeof(header), "%s", cmd); 522 if (!result) 523 snprintf(value, sizeof(value), "success"); 524 else 525 snprintf(value, sizeof(value), "failed(error %d)", result); 526 format_and_print(outf, 5, header, value); 527 528 format_and_print(outf, 1, NULL, NULL); 529 } 530