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/os_time.h"
29 #include "util/u_inlines.h"
30 #include "util/u_memory.h"
31 #include "util/u_string.h"
32 
33 #include "freedreno_context.h"
34 #include "freedreno_query_sw.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) assert_dt
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) assert_dt
113 {
114    struct fd_sw_query *sq = fd_sw_query(q);
115 
116    ctx->stats_users++;
117 
118    sq->begin_value = read_counter(ctx, q->type);
119    if (is_time_rate_query(q)) {
120       sq->begin_time = os_time_get();
121    } else if (is_draw_rate_query(q)) {
122       sq->begin_time = ctx->stats.draw_calls;
123    }
124 }
125 
126 static void
fd_sw_end_query(struct fd_context * ctx,struct fd_query * q)127 fd_sw_end_query(struct fd_context *ctx, struct fd_query *q) assert_dt
128 {
129    struct fd_sw_query *sq = fd_sw_query(q);
130 
131    assert(ctx->stats_users > 0);
132    ctx->stats_users--;
133 
134    sq->end_value = read_counter(ctx, q->type);
135    if (is_time_rate_query(q)) {
136       sq->end_time = os_time_get();
137    } else if (is_draw_rate_query(q)) {
138       sq->end_time = ctx->stats.draw_calls;
139    }
140 }
141 
142 static bool
fd_sw_get_query_result(struct fd_context * ctx,struct fd_query * q,bool wait,union pipe_query_result * result)143 fd_sw_get_query_result(struct fd_context *ctx, struct fd_query *q, bool wait,
144                        union pipe_query_result *result)
145 {
146    struct fd_sw_query *sq = fd_sw_query(q);
147 
148    result->u64 = sq->end_value - sq->begin_value;
149 
150    if (is_time_rate_query(q)) {
151       double fps =
152          (result->u64 * 1000000) / (double)(sq->end_time - sq->begin_time);
153       result->u64 = (uint64_t)fps;
154    } else if (is_draw_rate_query(q)) {
155       double avg =
156          ((double)result->u64) / (double)(sq->end_time - sq->begin_time);
157       result->f = avg;
158    }
159 
160    return true;
161 }
162 
163 static const struct fd_query_funcs sw_query_funcs = {
164    .destroy_query = fd_sw_destroy_query,
165    .begin_query = fd_sw_begin_query,
166    .end_query = fd_sw_end_query,
167    .get_query_result = fd_sw_get_query_result,
168 };
169 
170 struct fd_query *
fd_sw_create_query(struct fd_context * ctx,unsigned query_type,unsigned index)171 fd_sw_create_query(struct fd_context *ctx, unsigned query_type, unsigned index)
172 {
173    struct fd_sw_query *sq;
174    struct fd_query *q;
175 
176    switch (query_type) {
177    case PIPE_QUERY_PRIMITIVES_GENERATED:
178    case PIPE_QUERY_PRIMITIVES_EMITTED:
179    case FD_QUERY_DRAW_CALLS:
180    case FD_QUERY_BATCH_TOTAL:
181    case FD_QUERY_BATCH_SYSMEM:
182    case FD_QUERY_BATCH_GMEM:
183    case FD_QUERY_BATCH_NONDRAW:
184    case FD_QUERY_BATCH_RESTORE:
185    case FD_QUERY_STAGING_UPLOADS:
186    case FD_QUERY_SHADOW_UPLOADS:
187    case FD_QUERY_VS_REGS:
188    case FD_QUERY_FS_REGS:
189       break;
190    default:
191       return NULL;
192    }
193 
194    sq = CALLOC_STRUCT(fd_sw_query);
195    if (!sq)
196       return NULL;
197 
198    q = &sq->base;
199    q->funcs = &sw_query_funcs;
200    q->type = query_type;
201 
202    return q;
203 }
204