53 	int n, loop, count;  in performance()  local
62 	for (count = 2; count < 4*num_fences; count *= 2) {  in performance()
64 		uint32_t handle[count];  in performance()
65 		void *ptr[count];  in performance()
67 		for (n = 0; n < count; n++) {  in performance()
74 			for (n = 0; n < count; n++)  in performance()
79 		linear[count != 2] = count * loop / elapsed(&start, &end);  in performance()
80 		igt_info("Upload rate for %d linear surfaces:	%7.3fMiB/s\n", count, linear[count != 2]);  in performance()
82 		for (n = 0; n < count; n++)  in performance()
87 			for (n = 0; n < count; n++)  in performance()
92 		tiled[count != 2] = count * loop / elapsed(&start, &end);  in performance()
93 		igt_info("Upload rate for %d tiled surfaces:	%7.3fMiB/s\n", count, tiled[count != 2]);  in performance()
95 		for (n = 0; n < count; n++) {  in performance()
109 	int id, count, direction, loops;  member
120 		uint32_t *src = t->ptr[rand() % t->count];  in read_thread_performance()
135 		uint32_t *dst = t->ptr[rand() % t->count];  in write_thread_performance()
157 	int n, count;  in thread_performance()  local
166 	for (count = 2; count < 4*num_fences; count *= 2) {  in thread_performance()
167 		const int nthreads = (mask & READ ? count : 0) + (mask & WRITE ? count : 0);  in thread_performance()
169 		struct thread_performance readers[count];  in thread_performance()
170 		struct thread_performance writers[count];  in thread_performance()
171 		uint32_t handle[count];  in thread_performance()
172 		void *ptr[count];  in thread_performance()
174 		for (n = 0; n < count; n++) {  in thread_performance()
182 				readers[n].count = count;  in thread_performance()
187 				writers[n].id = count - n - 1;  in thread_performance()
190 				writers[n].count = count;  in thread_performance()
196 		for (n = 0; n < count; n++) {  in thread_performance()
202 		for (n = 0; n < count; n++) {  in thread_performance()
210 		linear[count != 2] = nthreads * loops / elapsed(&start, &end) / (OBJECT_SIZE / 4096);  in thread_performance()
211 … surfaces, %d threads:	%7.3fMiB/s\n", direction_string(mask), count, nthreads, linear[count != 2]);  in thread_performance()
213 		for (n = 0; n < count; n++)  in thread_performance()
217 		for (n = 0; n < count; n++) {  in thread_performance()
223 		for (n = 0; n < count; n++) {  in thread_performance()
231 		tiled[count != 2] = nthreads * loops / elapsed(&start, &end) / (OBJECT_SIZE / 4096);  in thread_performance()
232 …d surfaces, %d threads:	%7.3fMiB/s\n", direction_string(mask), count, nthreads, tiled[count != 2]);  in thread_performance()
234 		for (n = 0; n < count; n++) {  in thread_performance()
281 	int n, count;  in thread_contention()  local
290 	for (count = 1; count < 4*num_fences; count *= 2) {  in thread_contention()
292 		struct thread_contention threads[count];  in thread_contention()
294 		for (n = 0; n < count; n++) {  in thread_contention()
301 		for (n = 0; n < count; n++)  in thread_contention()
303 		for (n = 0; n < count; n++)  in thread_contention()
307 		linear[count != 2] = count * loops / elapsed(&start, &end) / (OBJECT_SIZE / 4096);  in thread_contention()
308 		igt_info("Contended upload rate for %d linear threads:	%7.3fMiB/s\n", count, linear[count != 2]);  in thread_contention()
310 		for (n = 0; n < count; n++)  in thread_contention()
314 		for (n = 0; n < count; n++)  in thread_contention()
316 		for (n = 0; n < count; n++)  in thread_contention()
320 		tiled[count != 2] = count * loops / elapsed(&start, &end) / (OBJECT_SIZE / 4096);  in thread_contention()
321 		igt_info("Contended upload rate for %d tiled threads:	%7.3fMiB/s\n", count, tiled[count != 2]);  in thread_contention()
323 		for (n = 0; n < count; n++) {  in thread_contention()
336 	int n, count;  in wc_contention()  local
346 	for (count = 1; count < 4*num_fences; count *= 2) {  in wc_contention()
348 		struct thread_contention threads[count];  in wc_contention()
350 		for (n = 0; n < count; n++) {  in wc_contention()
357 		for (n = 0; n < count; n++)  in wc_contention()
359 		for (n = 0; n < count; n++)  in wc_contention()
363 		linear[count != 2] = count * loops / elapsed(&start, &end) / (OBJECT_SIZE / 4096);  in wc_contention()
364 …igt_info("Contended upload rate for %d linear threads/wc:	%7.3fMiB/s\n", count, linear[count != 2]…  in wc_contention()
366 		for (n = 0; n < count; n++)  in wc_contention()
370 		for (n = 0; n < count; n++)  in wc_contention()
372 		for (n = 0; n < count; n++)  in wc_contention()
376 		tiled[count != 2] = count * loops / elapsed(&start, &end) / (OBJECT_SIZE / 4096);  in wc_contention()
377 		igt_info("Contended upload rate for %d tiled threads/wc:	%7.3fMiB/s\n", count, tiled[count != 2]);  in wc_contention()
379 		for (n = 0; n < count; n++) {  in wc_contention()