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1 /*
2  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
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  *    Rob Clark <robclark@freedesktop.org>
25  */
26 
27 #include "pipe/p_state.h"
28 #include "util/u_string.h"
29 #include "util/u_memory.h"
30 #include "util/u_inlines.h"
31 #include "util/os_time.h"
32 
33 #include "freedreno_query_sw.h"
34 #include "freedreno_context.h"
35 #include "freedreno_util.h"
36 
37 /*
38  * SW Queries:
39  *
40  * In the core, we have some support for basic sw counters
41  */
42 
43 static void
fd_sw_destroy_query(struct fd_context * ctx,struct fd_query * q)44 fd_sw_destroy_query(struct fd_context *ctx, struct fd_query *q)
45 {
46 	struct fd_sw_query *sq = fd_sw_query(q);
47 	free(sq);
48 }
49 
50 static uint64_t
read_counter(struct fd_context * ctx,int type)51 read_counter(struct fd_context *ctx, int type)
52 {
53 	switch (type) {
54 	case PIPE_QUERY_PRIMITIVES_GENERATED:
55 		return ctx->stats.prims_generated;
56 	case PIPE_QUERY_PRIMITIVES_EMITTED:
57 		return ctx->stats.prims_emitted;
58 	case FD_QUERY_DRAW_CALLS:
59 		return ctx->stats.draw_calls;
60 	case FD_QUERY_BATCH_TOTAL:
61 		return ctx->stats.batch_total;
62 	case FD_QUERY_BATCH_SYSMEM:
63 		return ctx->stats.batch_sysmem;
64 	case FD_QUERY_BATCH_GMEM:
65 		return ctx->stats.batch_gmem;
66 	case FD_QUERY_BATCH_NONDRAW:
67 		return ctx->stats.batch_nondraw;
68 	case FD_QUERY_BATCH_RESTORE:
69 		return ctx->stats.batch_restore;
70 	case FD_QUERY_STAGING_UPLOADS:
71 		return ctx->stats.staging_uploads;
72 	case FD_QUERY_SHADOW_UPLOADS:
73 		return ctx->stats.shadow_uploads;
74 	case FD_QUERY_VS_REGS:
75 		return ctx->stats.vs_regs;
76 	case FD_QUERY_FS_REGS:
77 		return ctx->stats.fs_regs;
78 	}
79 	return 0;
80 }
81 
82 static bool
is_time_rate_query(struct fd_query * q)83 is_time_rate_query(struct fd_query *q)
84 {
85 	switch (q->type) {
86 	case FD_QUERY_BATCH_TOTAL:
87 	case FD_QUERY_BATCH_SYSMEM:
88 	case FD_QUERY_BATCH_GMEM:
89 	case FD_QUERY_BATCH_NONDRAW:
90 	case FD_QUERY_BATCH_RESTORE:
91 	case FD_QUERY_STAGING_UPLOADS:
92 	case FD_QUERY_SHADOW_UPLOADS:
93 		return true;
94 	default:
95 		return false;
96 	}
97 }
98 
99 static bool
is_draw_rate_query(struct fd_query * q)100 is_draw_rate_query(struct fd_query *q)
101 {
102 	switch (q->type) {
103 	case FD_QUERY_VS_REGS:
104 	case FD_QUERY_FS_REGS:
105 		return true;
106 	default:
107 		return false;
108 	}
109 }
110 
111 static void
fd_sw_begin_query(struct fd_context * ctx,struct fd_query * q)112 fd_sw_begin_query(struct fd_context *ctx, struct fd_query *q)
113 {
114 	struct fd_sw_query *sq = fd_sw_query(q);
115 	sq->begin_value = read_counter(ctx, q->type);
116 	if (is_time_rate_query(q)) {
117 		sq->begin_time = os_time_get();
118 	} else if (is_draw_rate_query(q)) {
119 		sq->begin_time = ctx->stats.draw_calls;
120 	}
121 }
122 
123 static void
fd_sw_end_query(struct fd_context * ctx,struct fd_query * q)124 fd_sw_end_query(struct fd_context *ctx, struct fd_query *q)
125 {
126 	struct fd_sw_query *sq = fd_sw_query(q);
127 	sq->end_value = read_counter(ctx, q->type);
128 	if (is_time_rate_query(q)) {
129 		sq->end_time = os_time_get();
130 	} else if (is_draw_rate_query(q)) {
131 		sq->end_time = ctx->stats.draw_calls;
132 	}
133 }
134 
135 static bool
fd_sw_get_query_result(struct fd_context * ctx,struct fd_query * q,bool wait,union pipe_query_result * result)136 fd_sw_get_query_result(struct fd_context *ctx, struct fd_query *q,
137 		bool wait, union pipe_query_result *result)
138 {
139 	struct fd_sw_query *sq = fd_sw_query(q);
140 
141 	result->u64 = sq->end_value - sq->begin_value;
142 
143 	if (is_time_rate_query(q)) {
144 		double fps = (result->u64 * 1000000) /
145 				(double)(sq->end_time - sq->begin_time);
146 		result->u64 = (uint64_t)fps;
147 	} else if (is_draw_rate_query(q)) {
148 		double avg = ((double)result->u64) /
149 				(double)(sq->end_time - sq->begin_time);
150 		result->f = avg;
151 	}
152 
153 	return true;
154 }
155 
156 static const struct fd_query_funcs sw_query_funcs = {
157 		.destroy_query    = fd_sw_destroy_query,
158 		.begin_query      = fd_sw_begin_query,
159 		.end_query        = fd_sw_end_query,
160 		.get_query_result = fd_sw_get_query_result,
161 };
162 
163 struct fd_query *
fd_sw_create_query(struct fd_context * ctx,unsigned query_type,unsigned index)164 fd_sw_create_query(struct fd_context *ctx, unsigned query_type, unsigned index)
165 {
166 	struct fd_sw_query *sq;
167 	struct fd_query *q;
168 
169 	switch (query_type) {
170 	case PIPE_QUERY_PRIMITIVES_GENERATED:
171 	case PIPE_QUERY_PRIMITIVES_EMITTED:
172 	case FD_QUERY_DRAW_CALLS:
173 	case FD_QUERY_BATCH_TOTAL:
174 	case FD_QUERY_BATCH_SYSMEM:
175 	case FD_QUERY_BATCH_GMEM:
176 	case FD_QUERY_BATCH_NONDRAW:
177 	case FD_QUERY_BATCH_RESTORE:
178 	case FD_QUERY_STAGING_UPLOADS:
179 	case FD_QUERY_SHADOW_UPLOADS:
180 	case FD_QUERY_VS_REGS:
181 	case FD_QUERY_FS_REGS:
182 		break;
183 	default:
184 		return NULL;
185 	}
186 
187 	sq = CALLOC_STRUCT(fd_sw_query);
188 	if (!sq)
189 		return NULL;
190 
191 	q = &sq->base;
192 	q->funcs = &sw_query_funcs;
193 	q->type = query_type;
194 
195 	return q;
196 }
197