1 /*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 * Nicolai Hähnle <nicolai.haehnle@amd.com>
25 *
26 */
27
28 #include "radeon/r600_cs.h"
29 #include "radeon/r600_query.h"
30 #include "util/u_memory.h"
31
32 #include "si_pipe.h"
33 #include "sid.h"
34
35 enum si_pc_reg_layout {
36 /* All secondary selector dwords follow as one block after the primary
37 * selector dwords for the counters that have secondary selectors.
38 */
39 SI_PC_MULTI_BLOCK = 0,
40
41 /* Each secondary selector dword follows immediately afters the
42 * corresponding primary.
43 */
44 SI_PC_MULTI_ALTERNATE = 1,
45
46 /* All secondary selector dwords follow as one block after all primary
47 * selector dwords.
48 */
49 SI_PC_MULTI_TAIL = 2,
50
51 /* Free-form arrangement of selector registers. */
52 SI_PC_MULTI_CUSTOM = 3,
53
54 SI_PC_MULTI_MASK = 3,
55
56 /* Registers are laid out in decreasing rather than increasing order. */
57 SI_PC_REG_REVERSE = 4,
58
59 SI_PC_FAKE = 8,
60 };
61
62 struct si_pc_block_base {
63 const char *name;
64 unsigned num_counters;
65 unsigned flags;
66
67 unsigned select_or;
68 unsigned select0;
69 unsigned counter0_lo;
70 unsigned *select;
71 unsigned *counters;
72 unsigned num_multi;
73 unsigned num_prelude;
74 unsigned layout;
75 };
76
77 struct si_pc_block {
78 struct si_pc_block_base *b;
79 unsigned selectors;
80 unsigned instances;
81 };
82
83 /* The order is chosen to be compatible with GPUPerfStudio's hardcoding of
84 * performance counter group IDs.
85 */
86 static const char * const si_pc_shader_type_suffixes[] = {
87 "", "_ES", "_GS", "_VS", "_PS", "_LS", "_HS", "_CS"
88 };
89
90 static const unsigned si_pc_shader_type_bits[] = {
91 0x7f,
92 S_036780_ES_EN(1),
93 S_036780_GS_EN(1),
94 S_036780_VS_EN(1),
95 S_036780_PS_EN(1),
96 S_036780_LS_EN(1),
97 S_036780_HS_EN(1),
98 S_036780_CS_EN(1),
99 };
100
101 static struct si_pc_block_base cik_CB = {
102 .name = "CB",
103 .num_counters = 4,
104 .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS,
105
106 .select0 = R_037000_CB_PERFCOUNTER_FILTER,
107 .counter0_lo = R_035018_CB_PERFCOUNTER0_LO,
108 .num_multi = 1,
109 .num_prelude = 1,
110 .layout = SI_PC_MULTI_ALTERNATE,
111 };
112
113 static unsigned cik_CPC_select[] = {
114 R_036024_CPC_PERFCOUNTER0_SELECT,
115 R_036010_CPC_PERFCOUNTER0_SELECT1,
116 R_03600C_CPC_PERFCOUNTER1_SELECT,
117 };
118 static struct si_pc_block_base cik_CPC = {
119 .name = "CPC",
120 .num_counters = 2,
121
122 .select = cik_CPC_select,
123 .counter0_lo = R_034018_CPC_PERFCOUNTER0_LO,
124 .num_multi = 1,
125 .layout = SI_PC_MULTI_CUSTOM | SI_PC_REG_REVERSE,
126 };
127
128 static struct si_pc_block_base cik_CPF = {
129 .name = "CPF",
130 .num_counters = 2,
131
132 .select0 = R_03601C_CPF_PERFCOUNTER0_SELECT,
133 .counter0_lo = R_034028_CPF_PERFCOUNTER0_LO,
134 .num_multi = 1,
135 .layout = SI_PC_MULTI_ALTERNATE | SI_PC_REG_REVERSE,
136 };
137
138 static struct si_pc_block_base cik_CPG = {
139 .name = "CPG",
140 .num_counters = 2,
141
142 .select0 = R_036008_CPG_PERFCOUNTER0_SELECT,
143 .counter0_lo = R_034008_CPG_PERFCOUNTER0_LO,
144 .num_multi = 1,
145 .layout = SI_PC_MULTI_ALTERNATE | SI_PC_REG_REVERSE,
146 };
147
148 static struct si_pc_block_base cik_DB = {
149 .name = "DB",
150 .num_counters = 4,
151 .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS,
152
153 .select0 = R_037100_DB_PERFCOUNTER0_SELECT,
154 .counter0_lo = R_035100_DB_PERFCOUNTER0_LO,
155 .num_multi = 3, // really only 2, but there's a gap between registers
156 .layout = SI_PC_MULTI_ALTERNATE,
157 };
158
159 static struct si_pc_block_base cik_GDS = {
160 .name = "GDS",
161 .num_counters = 4,
162
163 .select0 = R_036A00_GDS_PERFCOUNTER0_SELECT,
164 .counter0_lo = R_034A00_GDS_PERFCOUNTER0_LO,
165 .num_multi = 1,
166 .layout = SI_PC_MULTI_TAIL,
167 };
168
169 static unsigned cik_GRBM_counters[] = {
170 R_034100_GRBM_PERFCOUNTER0_LO,
171 R_03410C_GRBM_PERFCOUNTER1_LO,
172 };
173 static struct si_pc_block_base cik_GRBM = {
174 .name = "GRBM",
175 .num_counters = 2,
176
177 .select0 = R_036100_GRBM_PERFCOUNTER0_SELECT,
178 .counters = cik_GRBM_counters,
179 };
180
181 static struct si_pc_block_base cik_GRBMSE = {
182 .name = "GRBMSE",
183 .num_counters = 4,
184
185 .select0 = R_036108_GRBM_SE0_PERFCOUNTER_SELECT,
186 .counter0_lo = R_034114_GRBM_SE0_PERFCOUNTER_LO,
187 };
188
189 static struct si_pc_block_base cik_IA = {
190 .name = "IA",
191 .num_counters = 4,
192
193 .select0 = R_036210_IA_PERFCOUNTER0_SELECT,
194 .counter0_lo = R_034220_IA_PERFCOUNTER0_LO,
195 .num_multi = 1,
196 .layout = SI_PC_MULTI_TAIL,
197 };
198
199 static struct si_pc_block_base cik_PA_SC = {
200 .name = "PA_SC",
201 .num_counters = 8,
202 .flags = R600_PC_BLOCK_SE,
203
204 .select0 = R_036500_PA_SC_PERFCOUNTER0_SELECT,
205 .counter0_lo = R_034500_PA_SC_PERFCOUNTER0_LO,
206 .num_multi = 1,
207 .layout = SI_PC_MULTI_ALTERNATE,
208 };
209
210 /* According to docs, PA_SU counters are only 48 bits wide. */
211 static struct si_pc_block_base cik_PA_SU = {
212 .name = "PA_SU",
213 .num_counters = 4,
214 .flags = R600_PC_BLOCK_SE,
215
216 .select0 = R_036400_PA_SU_PERFCOUNTER0_SELECT,
217 .counter0_lo = R_034400_PA_SU_PERFCOUNTER0_LO,
218 .num_multi = 2,
219 .layout = SI_PC_MULTI_ALTERNATE,
220 };
221
222 static struct si_pc_block_base cik_SPI = {
223 .name = "SPI",
224 .num_counters = 6,
225 .flags = R600_PC_BLOCK_SE,
226
227 .select0 = R_036600_SPI_PERFCOUNTER0_SELECT,
228 .counter0_lo = R_034604_SPI_PERFCOUNTER0_LO,
229 .num_multi = 4,
230 .layout = SI_PC_MULTI_BLOCK,
231 };
232
233 static struct si_pc_block_base cik_SQ = {
234 .name = "SQ",
235 .num_counters = 16,
236 .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_SHADER,
237
238 .select0 = R_036700_SQ_PERFCOUNTER0_SELECT,
239 .select_or = S_036700_SQC_BANK_MASK(15) |
240 S_036700_SQC_CLIENT_MASK(15) |
241 S_036700_SIMD_MASK(15),
242 .counter0_lo = R_034700_SQ_PERFCOUNTER0_LO,
243 };
244
245 static struct si_pc_block_base cik_SX = {
246 .name = "SX",
247 .num_counters = 4,
248 .flags = R600_PC_BLOCK_SE,
249
250 .select0 = R_036900_SX_PERFCOUNTER0_SELECT,
251 .counter0_lo = R_034900_SX_PERFCOUNTER0_LO,
252 .num_multi = 2,
253 .layout = SI_PC_MULTI_TAIL,
254 };
255
256 static struct si_pc_block_base cik_TA = {
257 .name = "TA",
258 .num_counters = 2,
259 .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS | R600_PC_BLOCK_SHADER_WINDOWED,
260
261 .select0 = R_036B00_TA_PERFCOUNTER0_SELECT,
262 .counter0_lo = R_034B00_TA_PERFCOUNTER0_LO,
263 .num_multi = 1,
264 .layout = SI_PC_MULTI_ALTERNATE,
265 };
266
267 static struct si_pc_block_base cik_TD = {
268 .name = "TD",
269 .num_counters = 2,
270 .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS | R600_PC_BLOCK_SHADER_WINDOWED,
271
272 .select0 = R_036C00_TD_PERFCOUNTER0_SELECT,
273 .counter0_lo = R_034C00_TD_PERFCOUNTER0_LO,
274 .num_multi = 1,
275 .layout = SI_PC_MULTI_ALTERNATE,
276 };
277
278 static struct si_pc_block_base cik_TCA = {
279 .name = "TCA",
280 .num_counters = 4,
281 .flags = R600_PC_BLOCK_INSTANCE_GROUPS,
282
283 .select0 = R_036E40_TCA_PERFCOUNTER0_SELECT,
284 .counter0_lo = R_034E40_TCA_PERFCOUNTER0_LO,
285 .num_multi = 2,
286 .layout = SI_PC_MULTI_ALTERNATE,
287 };
288
289 static struct si_pc_block_base cik_TCC = {
290 .name = "TCC",
291 .num_counters = 4,
292 .flags = R600_PC_BLOCK_INSTANCE_GROUPS,
293
294 .select0 = R_036E00_TCC_PERFCOUNTER0_SELECT,
295 .counter0_lo = R_034E00_TCC_PERFCOUNTER0_LO,
296 .num_multi = 2,
297 .layout = SI_PC_MULTI_ALTERNATE,
298 };
299
300 static struct si_pc_block_base cik_TCP = {
301 .name = "TCP",
302 .num_counters = 4,
303 .flags = R600_PC_BLOCK_SE | R600_PC_BLOCK_INSTANCE_GROUPS | R600_PC_BLOCK_SHADER_WINDOWED,
304
305 .select0 = R_036D00_TCP_PERFCOUNTER0_SELECT,
306 .counter0_lo = R_034D00_TCP_PERFCOUNTER0_LO,
307 .num_multi = 2,
308 .layout = SI_PC_MULTI_ALTERNATE,
309 };
310
311 static struct si_pc_block_base cik_VGT = {
312 .name = "VGT",
313 .num_counters = 4,
314 .flags = R600_PC_BLOCK_SE,
315
316 .select0 = R_036230_VGT_PERFCOUNTER0_SELECT,
317 .counter0_lo = R_034240_VGT_PERFCOUNTER0_LO,
318 .num_multi = 1,
319 .layout = SI_PC_MULTI_TAIL,
320 };
321
322 static struct si_pc_block_base cik_WD = {
323 .name = "WD",
324 .num_counters = 4,
325
326 .select0 = R_036200_WD_PERFCOUNTER0_SELECT,
327 .counter0_lo = R_034200_WD_PERFCOUNTER0_LO,
328 };
329
330 static struct si_pc_block_base cik_MC = {
331 .name = "MC",
332 .num_counters = 4,
333
334 .layout = SI_PC_FAKE,
335 };
336
337 static struct si_pc_block_base cik_SRBM = {
338 .name = "SRBM",
339 .num_counters = 2,
340
341 .layout = SI_PC_FAKE,
342 };
343
344 /* Both the number of instances and selectors varies between chips of the same
345 * class. We only differentiate by class here and simply expose the maximum
346 * number over all chips in a class.
347 *
348 * Unfortunately, GPUPerfStudio uses the order of performance counter groups
349 * blindly once it believes it has identified the hardware, so the order of
350 * blocks here matters.
351 */
352 static struct si_pc_block groups_CIK[] = {
353 { &cik_CB, 226, 4 },
354 { &cik_CPF, 17 },
355 { &cik_DB, 257, 4 },
356 { &cik_GRBM, 34 },
357 { &cik_GRBMSE, 15 },
358 { &cik_PA_SU, 153 },
359 { &cik_PA_SC, 395 },
360 { &cik_SPI, 186 },
361 { &cik_SQ, 252 },
362 { &cik_SX, 32 },
363 { &cik_TA, 111, 11 },
364 { &cik_TCA, 39, 2 },
365 { &cik_TCC, 160, 16 },
366 { &cik_TD, 55, 11 },
367 { &cik_TCP, 154, 11 },
368 { &cik_GDS, 121 },
369 { &cik_VGT, 140 },
370 { &cik_IA, 22 },
371 { &cik_MC, 22 },
372 { &cik_SRBM, 19 },
373 { &cik_WD, 22 },
374 { &cik_CPG, 46 },
375 { &cik_CPC, 22 },
376
377 };
378
379 static struct si_pc_block groups_VI[] = {
380 { &cik_CB, 396, 4 },
381 { &cik_CPF, 19 },
382 { &cik_DB, 257, 4 },
383 { &cik_GRBM, 34 },
384 { &cik_GRBMSE, 15 },
385 { &cik_PA_SU, 153 },
386 { &cik_PA_SC, 397 },
387 { &cik_SPI, 197 },
388 { &cik_SQ, 273 },
389 { &cik_SX, 34 },
390 { &cik_TA, 119, 16 },
391 { &cik_TCA, 35, 2 },
392 { &cik_TCC, 192, 16 },
393 { &cik_TD, 55, 16 },
394 { &cik_TCP, 180, 16 },
395 { &cik_GDS, 121 },
396 { &cik_VGT, 147 },
397 { &cik_IA, 24 },
398 { &cik_MC, 22 },
399 { &cik_SRBM, 27 },
400 { &cik_WD, 37 },
401 { &cik_CPG, 48 },
402 { &cik_CPC, 24 },
403
404 };
405
si_pc_get_size(struct r600_perfcounter_block * group,unsigned count,unsigned * selectors,unsigned * num_select_dw,unsigned * num_read_dw)406 static void si_pc_get_size(struct r600_perfcounter_block *group,
407 unsigned count, unsigned *selectors,
408 unsigned *num_select_dw, unsigned *num_read_dw)
409 {
410 struct si_pc_block *sigroup = (struct si_pc_block *)group->data;
411 struct si_pc_block_base *regs = sigroup->b;
412 unsigned layout_multi = regs->layout & SI_PC_MULTI_MASK;
413
414 if (regs->layout & SI_PC_FAKE) {
415 *num_select_dw = 0;
416 } else if (layout_multi == SI_PC_MULTI_BLOCK) {
417 if (count < regs->num_multi)
418 *num_select_dw = 2 * (count + 2) + regs->num_prelude;
419 else
420 *num_select_dw = 2 + count + regs->num_multi + regs->num_prelude;
421 } else if (layout_multi == SI_PC_MULTI_TAIL) {
422 *num_select_dw = 4 + count + MIN2(count, regs->num_multi) + regs->num_prelude;
423 } else if (layout_multi == SI_PC_MULTI_CUSTOM) {
424 assert(regs->num_prelude == 0);
425 *num_select_dw = 3 * (count + MIN2(count, regs->num_multi));
426 } else {
427 assert(layout_multi == SI_PC_MULTI_ALTERNATE);
428
429 *num_select_dw = 2 + count + MIN2(count, regs->num_multi) + regs->num_prelude;
430 }
431
432 *num_read_dw = 6 * count;
433 }
434
si_pc_emit_instance(struct r600_common_context * ctx,int se,int instance)435 static void si_pc_emit_instance(struct r600_common_context *ctx,
436 int se, int instance)
437 {
438 struct radeon_winsys_cs *cs = ctx->gfx.cs;
439 unsigned value = S_030800_SH_BROADCAST_WRITES(1);
440
441 if (se >= 0) {
442 value |= S_030800_SE_INDEX(se);
443 } else {
444 value |= S_030800_SE_BROADCAST_WRITES(1);
445 }
446
447 if (instance >= 0) {
448 value |= S_030800_INSTANCE_INDEX(instance);
449 } else {
450 value |= S_030800_INSTANCE_BROADCAST_WRITES(1);
451 }
452
453 radeon_set_uconfig_reg(cs, R_030800_GRBM_GFX_INDEX, value);
454 }
455
si_pc_emit_shaders(struct r600_common_context * ctx,unsigned shaders)456 static void si_pc_emit_shaders(struct r600_common_context *ctx,
457 unsigned shaders)
458 {
459 struct radeon_winsys_cs *cs = ctx->gfx.cs;
460
461 radeon_set_uconfig_reg_seq(cs, R_036780_SQ_PERFCOUNTER_CTRL, 2);
462 radeon_emit(cs, shaders & 0x7f);
463 radeon_emit(cs, 0xffffffff);
464 }
465
si_pc_emit_select(struct r600_common_context * ctx,struct r600_perfcounter_block * group,unsigned count,unsigned * selectors)466 static void si_pc_emit_select(struct r600_common_context *ctx,
467 struct r600_perfcounter_block *group,
468 unsigned count, unsigned *selectors)
469 {
470 struct si_pc_block *sigroup = (struct si_pc_block *)group->data;
471 struct si_pc_block_base *regs = sigroup->b;
472 struct radeon_winsys_cs *cs = ctx->gfx.cs;
473 unsigned idx;
474 unsigned layout_multi = regs->layout & SI_PC_MULTI_MASK;
475 unsigned dw;
476
477 assert(count <= regs->num_counters);
478
479 if (regs->layout & SI_PC_FAKE)
480 return;
481
482 if (layout_multi == SI_PC_MULTI_BLOCK) {
483 assert(!(regs->layout & SI_PC_REG_REVERSE));
484
485 dw = count + regs->num_prelude;
486 if (count >= regs->num_multi)
487 dw += regs->num_multi;
488 radeon_set_uconfig_reg_seq(cs, regs->select0, dw);
489 for (idx = 0; idx < regs->num_prelude; ++idx)
490 radeon_emit(cs, 0);
491 for (idx = 0; idx < MIN2(count, regs->num_multi); ++idx)
492 radeon_emit(cs, selectors[idx] | regs->select_or);
493
494 if (count < regs->num_multi) {
495 unsigned select1 =
496 regs->select0 + 4 * regs->num_multi;
497 radeon_set_uconfig_reg_seq(cs, select1, count);
498 }
499
500 for (idx = 0; idx < MIN2(count, regs->num_multi); ++idx)
501 radeon_emit(cs, 0);
502
503 if (count > regs->num_multi) {
504 for (idx = regs->num_multi; idx < count; ++idx)
505 radeon_emit(cs, selectors[idx] | regs->select_or);
506 }
507 } else if (layout_multi == SI_PC_MULTI_TAIL) {
508 unsigned select1, select1_count;
509
510 assert(!(regs->layout & SI_PC_REG_REVERSE));
511
512 radeon_set_uconfig_reg_seq(cs, regs->select0, count + regs->num_prelude);
513 for (idx = 0; idx < regs->num_prelude; ++idx)
514 radeon_emit(cs, 0);
515 for (idx = 0; idx < count; ++idx)
516 radeon_emit(cs, selectors[idx] | regs->select_or);
517
518 select1 = regs->select0 + 4 * regs->num_counters;
519 select1_count = MIN2(count, regs->num_multi);
520 radeon_set_uconfig_reg_seq(cs, select1, select1_count);
521 for (idx = 0; idx < select1_count; ++idx)
522 radeon_emit(cs, 0);
523 } else if (layout_multi == SI_PC_MULTI_CUSTOM) {
524 unsigned *reg = regs->select;
525 for (idx = 0; idx < count; ++idx) {
526 radeon_set_uconfig_reg(cs, *reg++, selectors[idx] | regs->select_or);
527 if (idx < regs->num_multi)
528 radeon_set_uconfig_reg(cs, *reg++, 0);
529 }
530 } else {
531 assert(layout_multi == SI_PC_MULTI_ALTERNATE);
532
533 unsigned reg_base = regs->select0;
534 unsigned reg_count = count + MIN2(count, regs->num_multi);
535 reg_count += regs->num_prelude;
536
537 if (!(regs->layout & SI_PC_REG_REVERSE)) {
538 radeon_set_uconfig_reg_seq(cs, reg_base, reg_count);
539
540 for (idx = 0; idx < regs->num_prelude; ++idx)
541 radeon_emit(cs, 0);
542 for (idx = 0; idx < count; ++idx) {
543 radeon_emit(cs, selectors[idx] | regs->select_or);
544 if (idx < regs->num_multi)
545 radeon_emit(cs, 0);
546 }
547 } else {
548 reg_base -= (reg_count - 1) * 4;
549 radeon_set_uconfig_reg_seq(cs, reg_base, reg_count);
550
551 for (idx = count; idx > 0; --idx) {
552 if (idx <= regs->num_multi)
553 radeon_emit(cs, 0);
554 radeon_emit(cs, selectors[idx - 1] | regs->select_or);
555 }
556 for (idx = 0; idx < regs->num_prelude; ++idx)
557 radeon_emit(cs, 0);
558 }
559 }
560 }
561
si_pc_emit_start(struct r600_common_context * ctx,struct r600_resource * buffer,uint64_t va)562 static void si_pc_emit_start(struct r600_common_context *ctx,
563 struct r600_resource *buffer, uint64_t va)
564 {
565 struct radeon_winsys_cs *cs = ctx->gfx.cs;
566
567 radeon_add_to_buffer_list(ctx, &ctx->gfx, buffer,
568 RADEON_USAGE_WRITE, RADEON_PRIO_QUERY);
569
570 radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
571 radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_IMM) |
572 COPY_DATA_DST_SEL(COPY_DATA_MEM));
573 radeon_emit(cs, 1); /* immediate */
574 radeon_emit(cs, 0); /* unused */
575 radeon_emit(cs, va);
576 radeon_emit(cs, va >> 32);
577
578 radeon_set_uconfig_reg(cs, R_036020_CP_PERFMON_CNTL,
579 S_036020_PERFMON_STATE(V_036020_DISABLE_AND_RESET));
580 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
581 radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PERFCOUNTER_START) | EVENT_INDEX(0));
582 radeon_set_uconfig_reg(cs, R_036020_CP_PERFMON_CNTL,
583 S_036020_PERFMON_STATE(V_036020_START_COUNTING));
584 }
585
586 /* Note: The buffer was already added in si_pc_emit_start, so we don't have to
587 * do it again in here. */
si_pc_emit_stop(struct r600_common_context * ctx,struct r600_resource * buffer,uint64_t va)588 static void si_pc_emit_stop(struct r600_common_context *ctx,
589 struct r600_resource *buffer, uint64_t va)
590 {
591 struct radeon_winsys_cs *cs = ctx->gfx.cs;
592
593 r600_gfx_write_event_eop(ctx, EVENT_TYPE_BOTTOM_OF_PIPE_TS, 0, 1,
594 buffer, va, 1, 0);
595 r600_gfx_wait_fence(ctx, va, 0, 0xffffffff);
596
597 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
598 radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PERFCOUNTER_SAMPLE) | EVENT_INDEX(0));
599 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
600 radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PERFCOUNTER_STOP) | EVENT_INDEX(0));
601 radeon_set_uconfig_reg(cs, R_036020_CP_PERFMON_CNTL,
602 S_036020_PERFMON_STATE(V_036020_STOP_COUNTING) |
603 S_036020_PERFMON_SAMPLE_ENABLE(1));
604 }
605
si_pc_emit_read(struct r600_common_context * ctx,struct r600_perfcounter_block * group,unsigned count,unsigned * selectors,struct r600_resource * buffer,uint64_t va)606 static void si_pc_emit_read(struct r600_common_context *ctx,
607 struct r600_perfcounter_block *group,
608 unsigned count, unsigned *selectors,
609 struct r600_resource *buffer, uint64_t va)
610 {
611 struct si_pc_block *sigroup = (struct si_pc_block *)group->data;
612 struct si_pc_block_base *regs = sigroup->b;
613 struct radeon_winsys_cs *cs = ctx->gfx.cs;
614 unsigned idx;
615 unsigned reg = regs->counter0_lo;
616 unsigned reg_delta = 8;
617
618 if (!(regs->layout & SI_PC_FAKE)) {
619 if (regs->layout & SI_PC_REG_REVERSE)
620 reg_delta = -reg_delta;
621
622 for (idx = 0; idx < count; ++idx) {
623 if (regs->counters)
624 reg = regs->counters[idx];
625
626 radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
627 radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_PERF) |
628 COPY_DATA_DST_SEL(COPY_DATA_MEM) |
629 COPY_DATA_COUNT_SEL); /* 64 bits */
630 radeon_emit(cs, reg >> 2);
631 radeon_emit(cs, 0); /* unused */
632 radeon_emit(cs, va);
633 radeon_emit(cs, va >> 32);
634 va += sizeof(uint64_t);
635 reg += reg_delta;
636 }
637 } else {
638 for (idx = 0; idx < count; ++idx) {
639 radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0));
640 radeon_emit(cs, COPY_DATA_SRC_SEL(COPY_DATA_IMM) |
641 COPY_DATA_DST_SEL(COPY_DATA_MEM) |
642 COPY_DATA_COUNT_SEL);
643 radeon_emit(cs, 0); /* immediate */
644 radeon_emit(cs, 0);
645 radeon_emit(cs, va);
646 radeon_emit(cs, va >> 32);
647 va += sizeof(uint64_t);
648 }
649 }
650 }
651
si_pc_cleanup(struct r600_common_screen * rscreen)652 static void si_pc_cleanup(struct r600_common_screen *rscreen)
653 {
654 r600_perfcounters_do_destroy(rscreen->perfcounters);
655 rscreen->perfcounters = NULL;
656 }
657
si_init_perfcounters(struct si_screen * screen)658 void si_init_perfcounters(struct si_screen *screen)
659 {
660 struct r600_perfcounters *pc;
661 struct si_pc_block *blocks;
662 unsigned num_blocks;
663 unsigned i;
664
665 switch (screen->b.chip_class) {
666 case CIK:
667 blocks = groups_CIK;
668 num_blocks = ARRAY_SIZE(groups_CIK);
669 break;
670 case VI:
671 blocks = groups_VI;
672 num_blocks = ARRAY_SIZE(groups_VI);
673 break;
674 case SI:
675 default:
676 return; /* not implemented */
677 }
678
679 if (screen->b.info.max_sh_per_se != 1) {
680 /* This should not happen on non-SI chips. */
681 fprintf(stderr, "si_init_perfcounters: max_sh_per_se = %d not "
682 "supported (inaccurate performance counters)\n",
683 screen->b.info.max_sh_per_se);
684 }
685
686 pc = CALLOC_STRUCT(r600_perfcounters);
687 if (!pc)
688 return;
689
690 pc->num_start_cs_dwords = 14;
691 pc->num_stop_cs_dwords = 14 + r600_gfx_write_fence_dwords(&screen->b);
692 pc->num_instance_cs_dwords = 3;
693 pc->num_shaders_cs_dwords = 4;
694
695 pc->num_shader_types = ARRAY_SIZE(si_pc_shader_type_bits);
696 pc->shader_type_suffixes = si_pc_shader_type_suffixes;
697 pc->shader_type_bits = si_pc_shader_type_bits;
698
699 pc->get_size = si_pc_get_size;
700 pc->emit_instance = si_pc_emit_instance;
701 pc->emit_shaders = si_pc_emit_shaders;
702 pc->emit_select = si_pc_emit_select;
703 pc->emit_start = si_pc_emit_start;
704 pc->emit_stop = si_pc_emit_stop;
705 pc->emit_read = si_pc_emit_read;
706 pc->cleanup = si_pc_cleanup;
707
708 if (!r600_perfcounters_init(pc, num_blocks))
709 goto error;
710
711 for (i = 0; i < num_blocks; ++i) {
712 struct si_pc_block *block = &blocks[i];
713 unsigned instances = block->instances;
714
715 if (!strcmp(block->b->name, "IA")) {
716 if (screen->b.info.max_se > 2)
717 instances = 2;
718 }
719
720 r600_perfcounters_add_block(&screen->b, pc,
721 block->b->name,
722 block->b->flags,
723 block->b->num_counters,
724 block->selectors,
725 instances,
726 block);
727 }
728
729 screen->b.perfcounters = pc;
730 return;
731
732 error:
733 r600_perfcounters_do_destroy(pc);
734 }
735