1 /*
2 * Copyright © 2020 Valve Corporation
3 *
4 * SPDX-License-Identifier: MIT
5 */
6
7 #include <inttypes.h>
8
9 #include "radv_buffer.h"
10 #include "radv_cs.h"
11 #include "radv_debug.h"
12 #include "radv_entrypoints.h"
13 #include "radv_perfcounter.h"
14 #include "radv_spm.h"
15 #include "radv_sqtt.h"
16 #include "sid.h"
17
18 #include "ac_pm4.h"
19
20 #include "vk_command_pool.h"
21 #include "vk_common_entrypoints.h"
22
23 #define SQTT_BUFFER_ALIGN_SHIFT 12
24
25 bool
radv_is_instruction_timing_enabled(void)26 radv_is_instruction_timing_enabled(void)
27 {
28 return debug_get_bool_option("RADV_THREAD_TRACE_INSTRUCTION_TIMING", true);
29 }
30
31 bool
radv_sqtt_queue_events_enabled(void)32 radv_sqtt_queue_events_enabled(void)
33 {
34 return debug_get_bool_option("RADV_THREAD_TRACE_QUEUE_EVENTS", true);
35 }
36
37 static enum radv_queue_family
radv_ip_to_queue_family(enum amd_ip_type t)38 radv_ip_to_queue_family(enum amd_ip_type t)
39 {
40 switch (t) {
41 case AMD_IP_GFX:
42 return RADV_QUEUE_GENERAL;
43 case AMD_IP_COMPUTE:
44 return RADV_QUEUE_COMPUTE;
45 case AMD_IP_SDMA:
46 return RADV_QUEUE_TRANSFER;
47 default:
48 unreachable("Unknown IP type");
49 }
50 }
51
52 static void
radv_emit_wait_for_idle(const struct radv_device * device,struct radeon_cmdbuf * cs,int family)53 radv_emit_wait_for_idle(const struct radv_device *device, struct radeon_cmdbuf *cs, int family)
54 {
55 const struct radv_physical_device *pdev = radv_device_physical(device);
56 const enum radv_queue_family qf = radv_ip_to_queue_family(family);
57 enum rgp_flush_bits sqtt_flush_bits = 0;
58 radv_cs_emit_cache_flush(
59 device->ws, cs, pdev->info.gfx_level, NULL, 0, qf,
60 (family == RADV_QUEUE_COMPUTE ? RADV_CMD_FLAG_CS_PARTIAL_FLUSH
61 : (RADV_CMD_FLAG_CS_PARTIAL_FLUSH | RADV_CMD_FLAG_PS_PARTIAL_FLUSH)) |
62 RADV_CMD_FLAG_INV_ICACHE | RADV_CMD_FLAG_INV_SCACHE | RADV_CMD_FLAG_INV_VCACHE | RADV_CMD_FLAG_INV_L2,
63 &sqtt_flush_bits, 0);
64 }
65
66 static void
radv_emit_sqtt_start(const struct radv_device * device,struct radeon_cmdbuf * cs,enum radv_queue_family qf)67 radv_emit_sqtt_start(const struct radv_device *device, struct radeon_cmdbuf *cs, enum radv_queue_family qf)
68 {
69 const struct radv_physical_device *pdev = radv_device_physical(device);
70 const bool is_compute_queue = qf == RADV_QUEUE_COMPUTE;
71 struct ac_pm4_state *pm4;
72
73 pm4 = ac_pm4_create_sized(&pdev->info, false, 512, is_compute_queue);
74 if (!pm4)
75 return;
76
77 ac_sqtt_emit_start(&pdev->info, pm4, &device->sqtt, is_compute_queue);
78 ac_pm4_finalize(pm4);
79
80 radeon_check_space(device->ws, cs, pm4->ndw);
81 radeon_emit_array(cs, pm4->pm4, pm4->ndw);
82
83 ac_pm4_free_state(pm4);
84 }
85
86 static void
radv_emit_sqtt_stop(const struct radv_device * device,struct radeon_cmdbuf * cs,enum radv_queue_family qf)87 radv_emit_sqtt_stop(const struct radv_device *device, struct radeon_cmdbuf *cs, enum radv_queue_family qf)
88 {
89 const struct radv_physical_device *pdev = radv_device_physical(device);
90 const bool is_compute_queue = qf == RADV_QUEUE_COMPUTE;
91 struct ac_pm4_state *pm4;
92
93 pm4 = ac_pm4_create_sized(&pdev->info, false, 512, is_compute_queue);
94 if (!pm4)
95 return;
96
97 ac_sqtt_emit_stop(&pdev->info, pm4, is_compute_queue);
98 ac_pm4_finalize(pm4);
99
100 radeon_check_space(device->ws, cs, pm4->ndw);
101 radeon_emit_array(cs, pm4->pm4, pm4->ndw);
102
103 ac_pm4_clear_state(pm4, &pdev->info, false, is_compute_queue);
104
105 if (pdev->info.has_sqtt_rb_harvest_bug) {
106 /* Some chips with disabled RBs should wait for idle because FINISH_DONE doesn't work. */
107 radv_emit_wait_for_idle(device, cs, qf);
108 }
109
110 ac_sqtt_emit_wait(&pdev->info, pm4, &device->sqtt, is_compute_queue);
111 ac_pm4_finalize(pm4);
112
113 radeon_check_space(device->ws, cs, pm4->ndw);
114 radeon_emit_array(cs, pm4->pm4, pm4->ndw);
115
116 ac_pm4_free_state(pm4);
117 }
118
119 void
radv_emit_sqtt_userdata(const struct radv_cmd_buffer * cmd_buffer,const void * data,uint32_t num_dwords)120 radv_emit_sqtt_userdata(const struct radv_cmd_buffer *cmd_buffer, const void *data, uint32_t num_dwords)
121 {
122 struct radv_device *device = radv_cmd_buffer_device(cmd_buffer);
123 const struct radv_physical_device *pdev = radv_device_physical(device);
124 const enum amd_gfx_level gfx_level = pdev->info.gfx_level;
125 const enum radv_queue_family qf = cmd_buffer->qf;
126 struct radeon_cmdbuf *cs = cmd_buffer->cs;
127 const uint32_t *dwords = (uint32_t *)data;
128
129 /* SQTT user data packets aren't supported on SDMA queues. */
130 if (cmd_buffer->qf == RADV_QUEUE_TRANSFER)
131 return;
132
133 while (num_dwords > 0) {
134 uint32_t count = MIN2(num_dwords, 2);
135
136 radeon_check_space(device->ws, cs, 2 + count);
137
138 /* Without the perfctr bit the CP might not always pass the
139 * write on correctly. */
140 if (pdev->info.gfx_level >= GFX10)
141 radeon_set_uconfig_perfctr_reg_seq(gfx_level, qf, cs, R_030D08_SQ_THREAD_TRACE_USERDATA_2, count);
142 else
143 radeon_set_uconfig_reg_seq(cs, R_030D08_SQ_THREAD_TRACE_USERDATA_2, count);
144 radeon_emit_array(cs, dwords, count);
145
146 dwords += count;
147 num_dwords -= count;
148 }
149 }
150
151 void
radv_emit_spi_config_cntl(const struct radv_device * device,struct radeon_cmdbuf * cs,bool enable)152 radv_emit_spi_config_cntl(const struct radv_device *device, struct radeon_cmdbuf *cs, bool enable)
153 {
154 const struct radv_physical_device *pdev = radv_device_physical(device);
155
156 if (pdev->info.gfx_level >= GFX9) {
157 uint32_t spi_config_cntl = S_031100_GPR_WRITE_PRIORITY(0x2c688) | S_031100_EXP_PRIORITY_ORDER(3) |
158 S_031100_ENABLE_SQG_TOP_EVENTS(enable) | S_031100_ENABLE_SQG_BOP_EVENTS(enable);
159
160 if (pdev->info.gfx_level >= GFX10)
161 spi_config_cntl |= S_031100_PS_PKR_PRIORITY_CNTL(3);
162
163 radeon_set_uconfig_reg(cs, R_031100_SPI_CONFIG_CNTL, spi_config_cntl);
164 } else {
165 /* SPI_CONFIG_CNTL is a protected register on GFX6-GFX8. */
166 radeon_set_privileged_config_reg(cs, R_009100_SPI_CONFIG_CNTL,
167 S_009100_ENABLE_SQG_TOP_EVENTS(enable) | S_009100_ENABLE_SQG_BOP_EVENTS(enable));
168 }
169 }
170
171 void
radv_emit_inhibit_clockgating(const struct radv_device * device,struct radeon_cmdbuf * cs,bool inhibit)172 radv_emit_inhibit_clockgating(const struct radv_device *device, struct radeon_cmdbuf *cs, bool inhibit)
173 {
174 const struct radv_physical_device *pdev = radv_device_physical(device);
175
176 if (pdev->info.gfx_level >= GFX11)
177 return; /* not needed */
178
179 if (pdev->info.gfx_level >= GFX10) {
180 radeon_set_uconfig_reg(cs, R_037390_RLC_PERFMON_CLK_CNTL, S_037390_PERFMON_CLOCK_STATE(inhibit));
181 } else if (pdev->info.gfx_level >= GFX8) {
182 radeon_set_uconfig_reg(cs, R_0372FC_RLC_PERFMON_CLK_CNTL, S_0372FC_PERFMON_CLOCK_STATE(inhibit));
183 }
184 }
185
186 VkResult
radv_sqtt_acquire_gpu_timestamp(struct radv_device * device,struct radeon_winsys_bo ** gpu_timestamp_bo,uint32_t * gpu_timestamp_offset,void ** gpu_timestamp_ptr)187 radv_sqtt_acquire_gpu_timestamp(struct radv_device *device, struct radeon_winsys_bo **gpu_timestamp_bo,
188 uint32_t *gpu_timestamp_offset, void **gpu_timestamp_ptr)
189 {
190 simple_mtx_lock(&device->sqtt_timestamp_mtx);
191
192 if (device->sqtt_timestamp.offset + 8 > device->sqtt_timestamp.size) {
193 struct radeon_winsys_bo *bo;
194 uint64_t new_size;
195 VkResult result;
196 uint8_t *map;
197
198 new_size = MAX2(4096, 2 * device->sqtt_timestamp.size);
199
200 result = radv_bo_create(device, NULL, new_size, 8, RADEON_DOMAIN_GTT,
201 RADEON_FLAG_CPU_ACCESS | RADEON_FLAG_NO_INTERPROCESS_SHARING, RADV_BO_PRIORITY_SCRATCH, 0,
202 true, &bo);
203 if (result != VK_SUCCESS) {
204 simple_mtx_unlock(&device->sqtt_timestamp_mtx);
205 return result;
206 }
207
208 map = radv_buffer_map(device->ws, bo);
209 if (!map) {
210 radv_bo_destroy(device, NULL, bo);
211 simple_mtx_unlock(&device->sqtt_timestamp_mtx);
212 return VK_ERROR_OUT_OF_DEVICE_MEMORY;
213 }
214
215 if (device->sqtt_timestamp.bo) {
216 struct radv_sqtt_timestamp *new_timestamp;
217
218 new_timestamp = malloc(sizeof(*new_timestamp));
219 if (!new_timestamp) {
220 radv_bo_destroy(device, NULL, bo);
221 simple_mtx_unlock(&device->sqtt_timestamp_mtx);
222 return VK_ERROR_OUT_OF_HOST_MEMORY;
223 }
224
225 memcpy(new_timestamp, &device->sqtt_timestamp, sizeof(*new_timestamp));
226 list_add(&new_timestamp->list, &device->sqtt_timestamp.list);
227 }
228
229 device->sqtt_timestamp.bo = bo;
230 device->sqtt_timestamp.size = new_size;
231 device->sqtt_timestamp.offset = 0;
232 device->sqtt_timestamp.map = map;
233 }
234
235 *gpu_timestamp_bo = device->sqtt_timestamp.bo;
236 *gpu_timestamp_offset = device->sqtt_timestamp.offset;
237 *gpu_timestamp_ptr = device->sqtt_timestamp.map + device->sqtt_timestamp.offset;
238
239 device->sqtt_timestamp.offset += 8;
240
241 simple_mtx_unlock(&device->sqtt_timestamp_mtx);
242
243 return VK_SUCCESS;
244 }
245
246 static void
radv_sqtt_reset_timestamp(struct radv_device * device)247 radv_sqtt_reset_timestamp(struct radv_device *device)
248 {
249 simple_mtx_lock(&device->sqtt_timestamp_mtx);
250
251 list_for_each_entry_safe (struct radv_sqtt_timestamp, ts, &device->sqtt_timestamp.list, list) {
252 radv_bo_destroy(device, NULL, ts->bo);
253 list_del(&ts->list);
254 free(ts);
255 }
256
257 device->sqtt_timestamp.offset = 0;
258
259 simple_mtx_unlock(&device->sqtt_timestamp_mtx);
260 }
261
262 static bool
radv_sqtt_init_queue_event(struct radv_device * device)263 radv_sqtt_init_queue_event(struct radv_device *device)
264 {
265 const struct radv_physical_device *pdev = radv_device_physical(device);
266 const struct radv_instance *instance = radv_physical_device_instance(pdev);
267 VkCommandPool cmd_pool;
268 VkResult result;
269
270 const VkCommandPoolCreateInfo create_gfx_info = {
271 .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
272 .queueFamilyIndex = RADV_QUEUE_GENERAL, /* Graphics queue is always the first queue. */
273 };
274
275 result = vk_common_CreateCommandPool(radv_device_to_handle(device), &create_gfx_info, NULL, &cmd_pool);
276 if (result != VK_SUCCESS)
277 return false;
278
279 device->sqtt_command_pool[0] = vk_command_pool_from_handle(cmd_pool);
280
281 if (!(instance->debug_flags & RADV_DEBUG_NO_COMPUTE_QUEUE)) {
282 const VkCommandPoolCreateInfo create_comp_info = {
283 .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
284 .queueFamilyIndex = RADV_QUEUE_COMPUTE,
285 };
286
287 result = vk_common_CreateCommandPool(radv_device_to_handle(device), &create_comp_info, NULL, &cmd_pool);
288 if (result != VK_SUCCESS)
289 return false;
290
291 device->sqtt_command_pool[1] = vk_command_pool_from_handle(cmd_pool);
292 }
293
294 simple_mtx_init(&device->sqtt_command_pool_mtx, mtx_plain);
295
296 simple_mtx_init(&device->sqtt_timestamp_mtx, mtx_plain);
297 list_inithead(&device->sqtt_timestamp.list);
298
299 return true;
300 }
301
302 static void
radv_sqtt_finish_queue_event(struct radv_device * device)303 radv_sqtt_finish_queue_event(struct radv_device *device)
304 {
305 if (device->sqtt_timestamp.bo)
306 radv_bo_destroy(device, NULL, device->sqtt_timestamp.bo);
307
308 simple_mtx_destroy(&device->sqtt_timestamp_mtx);
309
310 for (unsigned i = 0; i < ARRAY_SIZE(device->sqtt_command_pool); i++)
311 vk_common_DestroyCommandPool(radv_device_to_handle(device),
312 vk_command_pool_to_handle(device->sqtt_command_pool[i]), NULL);
313
314 simple_mtx_destroy(&device->sqtt_command_pool_mtx);
315 }
316
317 static bool
radv_sqtt_init_bo(struct radv_device * device)318 radv_sqtt_init_bo(struct radv_device *device)
319 {
320 const struct radv_physical_device *pdev = radv_device_physical(device);
321 unsigned max_se = pdev->info.max_se;
322 struct radeon_winsys *ws = device->ws;
323 VkResult result;
324 uint64_t size;
325
326 /* The buffer size and address need to be aligned in HW regs. Align the
327 * size as early as possible so that we do all the allocation & addressing
328 * correctly. */
329 device->sqtt.buffer_size = align64(device->sqtt.buffer_size, 1u << SQTT_BUFFER_ALIGN_SHIFT);
330
331 /* Compute total size of the thread trace BO for all SEs. */
332 size = align64(sizeof(struct ac_sqtt_data_info) * max_se, 1 << SQTT_BUFFER_ALIGN_SHIFT);
333 size += device->sqtt.buffer_size * (uint64_t)max_se;
334
335 struct radeon_winsys_bo *bo = NULL;
336 result = radv_bo_create(device, NULL, size, 4096, RADEON_DOMAIN_VRAM,
337 RADEON_FLAG_CPU_ACCESS | RADEON_FLAG_NO_INTERPROCESS_SHARING | RADEON_FLAG_ZERO_VRAM,
338 RADV_BO_PRIORITY_SCRATCH, 0, true, &bo);
339 device->sqtt.bo = bo;
340 if (result != VK_SUCCESS)
341 return false;
342
343 result = ws->buffer_make_resident(ws, device->sqtt.bo, true);
344 if (result != VK_SUCCESS)
345 return false;
346
347 device->sqtt.ptr = radv_buffer_map(ws, device->sqtt.bo);
348 if (!device->sqtt.ptr)
349 return false;
350
351 device->sqtt.buffer_va = radv_buffer_get_va(device->sqtt.bo);
352
353 return true;
354 }
355
356 static void
radv_sqtt_finish_bo(struct radv_device * device)357 radv_sqtt_finish_bo(struct radv_device *device)
358 {
359 struct radeon_winsys *ws = device->ws;
360
361 if (unlikely(device->sqtt.bo)) {
362 ws->buffer_make_resident(ws, device->sqtt.bo, false);
363 radv_bo_destroy(device, NULL, device->sqtt.bo);
364 }
365 }
366
367 static VkResult
radv_register_queue(struct radv_device * device,struct radv_queue * queue)368 radv_register_queue(struct radv_device *device, struct radv_queue *queue)
369 {
370 struct ac_sqtt *sqtt = &device->sqtt;
371 struct rgp_queue_info *queue_info = &sqtt->rgp_queue_info;
372 struct rgp_queue_info_record *record;
373
374 record = malloc(sizeof(struct rgp_queue_info_record));
375 if (!record)
376 return VK_ERROR_OUT_OF_HOST_MEMORY;
377
378 record->queue_id = (uintptr_t)queue;
379 record->queue_context = (uintptr_t)queue->hw_ctx;
380 if (queue->vk.queue_family_index == RADV_QUEUE_GENERAL) {
381 record->hardware_info.queue_type = SQTT_QUEUE_TYPE_UNIVERSAL;
382 record->hardware_info.engine_type = SQTT_ENGINE_TYPE_UNIVERSAL;
383 } else {
384 record->hardware_info.queue_type = SQTT_QUEUE_TYPE_COMPUTE;
385 record->hardware_info.engine_type = SQTT_ENGINE_TYPE_COMPUTE;
386 }
387
388 simple_mtx_lock(&queue_info->lock);
389 list_addtail(&record->list, &queue_info->record);
390 queue_info->record_count++;
391 simple_mtx_unlock(&queue_info->lock);
392
393 return VK_SUCCESS;
394 }
395
396 static void
radv_unregister_queue(struct radv_device * device,struct radv_queue * queue)397 radv_unregister_queue(struct radv_device *device, struct radv_queue *queue)
398 {
399 struct ac_sqtt *sqtt = &device->sqtt;
400 struct rgp_queue_info *queue_info = &sqtt->rgp_queue_info;
401
402 /* Destroy queue info record. */
403 simple_mtx_lock(&queue_info->lock);
404 if (queue_info->record_count > 0) {
405 list_for_each_entry_safe (struct rgp_queue_info_record, record, &queue_info->record, list) {
406 if (record->queue_id == (uintptr_t)queue) {
407 queue_info->record_count--;
408 list_del(&record->list);
409 free(record);
410 break;
411 }
412 }
413 }
414 simple_mtx_unlock(&queue_info->lock);
415 }
416
417 static void
radv_register_queues(struct radv_device * device,struct ac_sqtt * sqtt)418 radv_register_queues(struct radv_device *device, struct ac_sqtt *sqtt)
419 {
420 if (device->queue_count[RADV_QUEUE_GENERAL] == 1)
421 radv_register_queue(device, &device->queues[RADV_QUEUE_GENERAL][0]);
422
423 for (uint32_t i = 0; i < device->queue_count[RADV_QUEUE_COMPUTE]; i++)
424 radv_register_queue(device, &device->queues[RADV_QUEUE_COMPUTE][i]);
425 }
426
427 static void
radv_unregister_queues(struct radv_device * device,struct ac_sqtt * sqtt)428 radv_unregister_queues(struct radv_device *device, struct ac_sqtt *sqtt)
429 {
430 if (device->queue_count[RADV_QUEUE_GENERAL] == 1)
431 radv_unregister_queue(device, &device->queues[RADV_QUEUE_GENERAL][0]);
432
433 for (uint32_t i = 0; i < device->queue_count[RADV_QUEUE_COMPUTE]; i++)
434 radv_unregister_queue(device, &device->queues[RADV_QUEUE_COMPUTE][i]);
435 }
436
437 bool
radv_sqtt_init(struct radv_device * device)438 radv_sqtt_init(struct radv_device *device)
439 {
440 struct ac_sqtt *sqtt = &device->sqtt;
441
442 /* Default buffer size set to 32MB per SE. */
443 device->sqtt.buffer_size = (uint32_t)debug_get_num_option("RADV_THREAD_TRACE_BUFFER_SIZE", 32 * 1024 * 1024);
444 device->sqtt.instruction_timing_enabled = radv_is_instruction_timing_enabled();
445
446 if (!radv_sqtt_init_bo(device))
447 return false;
448
449 if (!radv_sqtt_init_queue_event(device))
450 return false;
451
452 if (!radv_device_acquire_performance_counters(device))
453 return false;
454
455 ac_sqtt_init(sqtt);
456
457 radv_register_queues(device, sqtt);
458
459 return true;
460 }
461
462 void
radv_sqtt_finish(struct radv_device * device)463 radv_sqtt_finish(struct radv_device *device)
464 {
465 struct ac_sqtt *sqtt = &device->sqtt;
466 struct radeon_winsys *ws = device->ws;
467
468 radv_sqtt_finish_bo(device);
469 radv_sqtt_finish_queue_event(device);
470
471 for (unsigned i = 0; i < 2; i++) {
472 if (device->sqtt.start_cs[i])
473 ws->cs_destroy(device->sqtt.start_cs[i]);
474 if (device->sqtt.stop_cs[i])
475 ws->cs_destroy(device->sqtt.stop_cs[i]);
476 }
477
478 radv_unregister_queues(device, sqtt);
479
480 ac_sqtt_finish(sqtt);
481 }
482
483 static bool
radv_sqtt_resize_bo(struct radv_device * device)484 radv_sqtt_resize_bo(struct radv_device *device)
485 {
486 /* Destroy the previous thread trace BO. */
487 radv_sqtt_finish_bo(device);
488
489 /* Double the size of the thread trace buffer per SE. */
490 device->sqtt.buffer_size *= 2;
491
492 fprintf(stderr,
493 "Failed to get the thread trace because the buffer "
494 "was too small, resizing to %d KB\n",
495 device->sqtt.buffer_size / 1024);
496
497 /* Re-create the thread trace BO. */
498 return radv_sqtt_init_bo(device);
499 }
500
501 bool
radv_begin_sqtt(struct radv_queue * queue)502 radv_begin_sqtt(struct radv_queue *queue)
503 {
504 struct radv_device *device = radv_queue_device(queue);
505 const struct radv_physical_device *pdev = radv_device_physical(device);
506 enum radv_queue_family family = queue->state.qf;
507 struct radeon_winsys *ws = device->ws;
508 struct radeon_cmdbuf *cs;
509 VkResult result;
510
511 /* Destroy the previous start CS and create a new one. */
512 if (device->sqtt.start_cs[family]) {
513 ws->cs_destroy(device->sqtt.start_cs[family]);
514 device->sqtt.start_cs[family] = NULL;
515 }
516
517 cs = ws->cs_create(ws, radv_queue_ring(queue), false);
518 if (!cs)
519 return false;
520
521 radeon_check_space(ws, cs, 512);
522
523 switch (family) {
524 case RADV_QUEUE_GENERAL:
525 radeon_emit(cs, PKT3(PKT3_CONTEXT_CONTROL, 1, 0));
526 radeon_emit(cs, CC0_UPDATE_LOAD_ENABLES(1));
527 radeon_emit(cs, CC1_UPDATE_SHADOW_ENABLES(1));
528 break;
529 case RADV_QUEUE_COMPUTE:
530 radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
531 radeon_emit(cs, 0);
532 break;
533 default:
534 unreachable("Incorrect queue family");
535 break;
536 }
537
538 /* Make sure to wait-for-idle before starting SQTT. */
539 radv_emit_wait_for_idle(device, cs, family);
540
541 /* Disable clock gating before starting SQTT. */
542 radv_emit_inhibit_clockgating(device, cs, true);
543
544 /* Enable SQG events that collects thread trace data. */
545 radv_emit_spi_config_cntl(device, cs, true);
546
547 radv_perfcounter_emit_spm_reset(cs);
548
549 if (device->spm.bo) {
550 /* Enable all shader stages by default. */
551 radv_perfcounter_emit_shaders(device, cs, ac_sqtt_get_shader_mask(&pdev->info));
552
553 radv_emit_spm_setup(device, cs, family);
554 }
555
556 /* Start SQTT. */
557 radv_emit_sqtt_start(device, cs, family);
558
559 if (device->spm.bo) {
560 radeon_check_space(ws, cs, 8);
561 radv_perfcounter_emit_spm_start(device, cs, family);
562 }
563
564 result = ws->cs_finalize(cs);
565 if (result != VK_SUCCESS) {
566 ws->cs_destroy(cs);
567 return false;
568 }
569
570 device->sqtt.start_cs[family] = cs;
571
572 return radv_queue_internal_submit(queue, cs);
573 }
574
575 bool
radv_end_sqtt(struct radv_queue * queue)576 radv_end_sqtt(struct radv_queue *queue)
577 {
578 struct radv_device *device = radv_queue_device(queue);
579 enum radv_queue_family family = queue->state.qf;
580 struct radeon_winsys *ws = device->ws;
581 struct radeon_cmdbuf *cs;
582 VkResult result;
583
584 /* Destroy the previous stop CS and create a new one. */
585 if (device->sqtt.stop_cs[family]) {
586 ws->cs_destroy(device->sqtt.stop_cs[family]);
587 device->sqtt.stop_cs[family] = NULL;
588 }
589
590 cs = ws->cs_create(ws, radv_queue_ring(queue), false);
591 if (!cs)
592 return false;
593
594 radeon_check_space(ws, cs, 512);
595
596 switch (family) {
597 case RADV_QUEUE_GENERAL:
598 radeon_emit(cs, PKT3(PKT3_CONTEXT_CONTROL, 1, 0));
599 radeon_emit(cs, CC0_UPDATE_LOAD_ENABLES(1));
600 radeon_emit(cs, CC1_UPDATE_SHADOW_ENABLES(1));
601 break;
602 case RADV_QUEUE_COMPUTE:
603 radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
604 radeon_emit(cs, 0);
605 break;
606 default:
607 unreachable("Incorrect queue family");
608 break;
609 }
610
611 /* Make sure to wait-for-idle before stopping SQTT. */
612 radv_emit_wait_for_idle(device, cs, family);
613
614 if (device->spm.bo) {
615 radeon_check_space(ws, cs, 8);
616 radv_perfcounter_emit_spm_stop(device, cs, family);
617 }
618
619 /* Stop SQTT. */
620 radv_emit_sqtt_stop(device, cs, family);
621
622 radv_perfcounter_emit_spm_reset(cs);
623
624 /* Restore previous state by disabling SQG events. */
625 radv_emit_spi_config_cntl(device, cs, false);
626
627 /* Restore previous state by re-enabling clock gating. */
628 radv_emit_inhibit_clockgating(device, cs, false);
629
630 result = ws->cs_finalize(cs);
631 if (result != VK_SUCCESS) {
632 ws->cs_destroy(cs);
633 return false;
634 }
635
636 device->sqtt.stop_cs[family] = cs;
637
638 return radv_queue_internal_submit(queue, cs);
639 }
640
641 bool
radv_get_sqtt_trace(struct radv_queue * queue,struct ac_sqtt_trace * sqtt_trace)642 radv_get_sqtt_trace(struct radv_queue *queue, struct ac_sqtt_trace *sqtt_trace)
643 {
644 struct radv_device *device = radv_queue_device(queue);
645 const struct radv_physical_device *pdev = radv_device_physical(device);
646 const struct radeon_info *gpu_info = &pdev->info;
647
648 if (!ac_sqtt_get_trace(&device->sqtt, gpu_info, sqtt_trace)) {
649 if (!radv_sqtt_resize_bo(device))
650 fprintf(stderr, "radv: Failed to resize the SQTT buffer.\n");
651 return false;
652 }
653
654 return true;
655 }
656
657 void
radv_reset_sqtt_trace(struct radv_device * device)658 radv_reset_sqtt_trace(struct radv_device *device)
659 {
660 struct ac_sqtt *sqtt = &device->sqtt;
661 struct rgp_clock_calibration *clock_calibration = &sqtt->rgp_clock_calibration;
662 struct rgp_queue_event *queue_event = &sqtt->rgp_queue_event;
663
664 /* Clear clock calibration records. */
665 simple_mtx_lock(&clock_calibration->lock);
666 list_for_each_entry_safe (struct rgp_clock_calibration_record, record, &clock_calibration->record, list) {
667 clock_calibration->record_count--;
668 list_del(&record->list);
669 free(record);
670 }
671 simple_mtx_unlock(&clock_calibration->lock);
672
673 /* Clear queue event records. */
674 simple_mtx_lock(&queue_event->lock);
675 list_for_each_entry_safe (struct rgp_queue_event_record, record, &queue_event->record, list) {
676 list_del(&record->list);
677 free(record);
678 }
679 queue_event->record_count = 0;
680 simple_mtx_unlock(&queue_event->lock);
681
682 /* Clear timestamps. */
683 radv_sqtt_reset_timestamp(device);
684
685 /* Clear timed cmdbufs. */
686 simple_mtx_lock(&device->sqtt_command_pool_mtx);
687 for (unsigned i = 0; i < ARRAY_SIZE(device->sqtt_command_pool); i++) {
688 /* If RADV_DEBUG_NO_COMPUTE_QUEUE is used, there's no compute sqtt command pool */
689 if (device->sqtt_command_pool[i])
690 vk_common_TrimCommandPool(radv_device_to_handle(device), vk_command_pool_to_handle(device->sqtt_command_pool[i]),
691 0);
692 }
693 simple_mtx_unlock(&device->sqtt_command_pool_mtx);
694 }
695
696 static VkResult
radv_get_calibrated_timestamps(struct radv_device * device,uint64_t * cpu_timestamp,uint64_t * gpu_timestamp)697 radv_get_calibrated_timestamps(struct radv_device *device, uint64_t *cpu_timestamp, uint64_t *gpu_timestamp)
698 {
699 uint64_t timestamps[2];
700 uint64_t max_deviation;
701 VkResult result;
702
703 const VkCalibratedTimestampInfoKHR timestamp_infos[2] = {{
704 .sType = VK_STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_KHR,
705 .timeDomain = VK_TIME_DOMAIN_CLOCK_MONOTONIC_KHR,
706 },
707 {
708 .sType = VK_STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_KHR,
709 .timeDomain = VK_TIME_DOMAIN_DEVICE_KHR,
710 }};
711
712 result =
713 radv_GetCalibratedTimestampsKHR(radv_device_to_handle(device), 2, timestamp_infos, timestamps, &max_deviation);
714 if (result != VK_SUCCESS)
715 return result;
716
717 *cpu_timestamp = timestamps[0];
718 *gpu_timestamp = timestamps[1];
719
720 return result;
721 }
722
723 bool
radv_sqtt_sample_clocks(struct radv_device * device)724 radv_sqtt_sample_clocks(struct radv_device *device)
725 {
726 uint64_t cpu_timestamp = 0, gpu_timestamp = 0;
727 VkResult result;
728
729 result = radv_get_calibrated_timestamps(device, &cpu_timestamp, &gpu_timestamp);
730 if (result != VK_SUCCESS)
731 return false;
732
733 return ac_sqtt_add_clock_calibration(&device->sqtt, cpu_timestamp, gpu_timestamp);
734 }
735
736 VkResult
radv_sqtt_get_timed_cmdbuf(struct radv_queue * queue,struct radeon_winsys_bo * timestamp_bo,uint32_t timestamp_offset,VkPipelineStageFlags2 timestamp_stage,VkCommandBuffer * pcmdbuf)737 radv_sqtt_get_timed_cmdbuf(struct radv_queue *queue, struct radeon_winsys_bo *timestamp_bo, uint32_t timestamp_offset,
738 VkPipelineStageFlags2 timestamp_stage, VkCommandBuffer *pcmdbuf)
739 {
740 struct radv_device *device = radv_queue_device(queue);
741 enum radv_queue_family queue_family = queue->state.qf;
742 VkCommandBuffer cmdbuf;
743 uint64_t timestamp_va;
744 VkResult result;
745
746 assert(queue_family == RADV_QUEUE_GENERAL || queue_family == RADV_QUEUE_COMPUTE);
747
748 simple_mtx_lock(&device->sqtt_command_pool_mtx);
749
750 const VkCommandBufferAllocateInfo alloc_info = {
751 .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
752 .commandPool = vk_command_pool_to_handle(device->sqtt_command_pool[queue_family]),
753 .level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
754 .commandBufferCount = 1,
755 };
756
757 result = vk_common_AllocateCommandBuffers(radv_device_to_handle(device), &alloc_info, &cmdbuf);
758 if (result != VK_SUCCESS)
759 goto fail;
760
761 const VkCommandBufferBeginInfo begin_info = {
762 .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
763 .flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,
764 };
765
766 result = radv_BeginCommandBuffer(cmdbuf, &begin_info);
767 if (result != VK_SUCCESS)
768 goto fail;
769
770 radeon_check_space(device->ws, radv_cmd_buffer_from_handle(cmdbuf)->cs, 28);
771
772 timestamp_va = radv_buffer_get_va(timestamp_bo) + timestamp_offset;
773
774 radv_cs_add_buffer(device->ws, radv_cmd_buffer_from_handle(cmdbuf)->cs, timestamp_bo);
775
776 radv_write_timestamp(radv_cmd_buffer_from_handle(cmdbuf), timestamp_va, timestamp_stage);
777
778 result = radv_EndCommandBuffer(cmdbuf);
779 if (result != VK_SUCCESS)
780 goto fail;
781
782 *pcmdbuf = cmdbuf;
783
784 fail:
785 simple_mtx_unlock(&device->sqtt_command_pool_mtx);
786 return result;
787 }
788