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1/**
2 * @file llfasttimer.h
3 * @brief Declaration of a fast timer.
4 *
5 * Copyright (c) 2004-2007, Linden Research, Inc.
6 *
7 * The source code in this file ("Source Code") is provided by Linden Lab
8 * to you under the terms of the GNU General Public License, version 2.0
9 * ("GPL"), unless you have obtained a separate licensing agreement
10 * ("Other License"), formally executed by you and Linden Lab. Terms of
11 * the GPL can be found in doc/GPL-license.txt in this distribution, or
12 * online at http://secondlife.com/developers/opensource/gplv2
13 *
14 * There are special exceptions to the terms and conditions of the GPL as
15 * it is applied to this Source Code. View the full text of the exception
16 * in the file doc/FLOSS-exception.txt in this software distribution, or
17 * online at http://secondlife.com/developers/opensource/flossexception
18 *
19 * By copying, modifying or distributing this software, you acknowledge
20 * that you have read and understood your obligations described above,
21 * and agree to abide by those obligations.
22 *
23 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
24 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
25 * COMPLETENESS OR PERFORMANCE.
26 */
27
28#ifndef LL_LLFASTTIMER_H
29#define LL_LLFASTTIMER_H
30
31#include "lltimer.h"
32
33#define FAST_TIMER_ON 1
34
35U64 get_cpu_clock_count();
36
37class LLFastTimer
38{
39public:
40 enum EFastTimerType
41 {
42 // high level
43 FTM_FRAME,
44 FTM_UPDATE,
45 FTM_RENDER,
46 FTM_SWAP,
47 FTM_IDLE,
48 FTM_SLEEP,
49
50 // common simulate components
51 FTM_UPDATE_ANIMATION,
52 FTM_UPDATE_TERRAIN,
53 FTM_UPDATE_PRIMITIVES,
54 FTM_UPDATE_PARTICLES,
55 FTM_UPDATE_SKY,
56 FTM_UPDATE_TEXTURES,
57
58 // common render components
59 FTM_RENDER_GEOMETRY,
60 FTM_RENDER_TERRAIN,
61 FTM_RENDER_SIMPLE,
62 FTM_RENDER_SHINY,
63 FTM_RENDER_BUMP,
64 FTM_RENDER_TREES,
65 FTM_RENDER_CHARACTERS,
66 FTM_RENDER_OCCLUSION,
67 FTM_RENDER_ALPHA,
68 FTM_RENDER_CLOUDS,
69 FTM_RENDER_HUD,
70 FTM_RENDER_PARTICLES,
71 FTM_RENDER_WATER,
72 FTM_RENDER_TIMER,
73 FTM_RENDER_UI,
74 FTM_RENDER_FONTS,
75
76 // newview specific
77 FTM_MESSAGES,
78 FTM_REBUILD,
79 FTM_STATESORT,
80 FTM_POOLS,
81 FTM_POOLRENDER,
82 FTM_IDLE_CB,
83 FTM_WORLD_UPDATE,
84 FTM_UPDATE_MOVE,
85 FTM_OCTREE_BALANCE,
86 FTM_UPDATE_LIGHTS,
87 FTM_CULL,
88 FTM_CULL_REBOUND,
89 FTM_GEO_UPDATE,
90 FTM_GEO_RESERVE,
91 FTM_GEO_LIGHT,
92 FTM_GEO_SHADOW,
93 FTM_GEN_VOLUME,
94 FTM_GEN_TRIANGLES,
95 FTM_GEN_FLEX,
96 FTM_AUDIO_UPDATE,
97 FTM_RESET_DRAWORDER,
98 FTM_OBJECTLIST_UPDATE,
99 FTM_AVATAR_UPDATE,
100 FTM_JOINT_UPDATE,
101 FTM_ATTACHMENT_UPDATE,
102 FTM_LOD_UPDATE,
103 FTM_REGION_UPDATE,
104 FTM_CLEANUP,
105 FTM_NETWORK,
106 FTM_IDLE_NETWORK,
107 FTM_CREATE_OBJECT,
108 FTM_LOAD_AVATAR,
109 FTM_PROCESS_MESSAGES,
110 FTM_PROCESS_OBJECTS,
111 FTM_PROCESS_IMAGES,
112 FTM_IMAGE_UPDATE,
113 FTM_IMAGE_CREATE,
114 FTM_IMAGE_DECODE,
115 FTM_PIPELINE,
116 FTM_VFILE_WAIT,
117 FTM_FLEXIBLE_UPDATE,
118 FTM_OCCLUSION,
119 FTM_OCCLUSION_READBACK,
120 FTM_HUD_EFFECTS,
121 FTM_HUD_UPDATE,
122 FTM_INVENTORY,
123 FTM_AUTO_SELECT,
124 FTM_ARRANGE,
125 FTM_FILTER,
126 FTM_REFRESH,
127 FTM_SORT,
128
129 // Temp
130 FTM_TEMP1,
131 FTM_TEMP2,
132 FTM_TEMP3,
133 FTM_TEMP4,
134 FTM_TEMP5,
135 FTM_TEMP6,
136 FTM_TEMP7,
137 FTM_TEMP8,
138
139 FTM_OTHER, // Special, used by display code
140
141 FTM_NUM_TYPES
142 };
143 enum { FTM_HISTORY_NUM = 60 };
144 enum { FTM_MAX_DEPTH = 64 };
145
146public:
147 LLFastTimer(EFastTimerType type)
148 {
149#if FAST_TIMER_ON
150 mType = type;
151
152 // These don't get counted, because they use CPU clockticks
153 //gTimerBins[gCurTimerBin]++;
154 //LLTimer::sNumTimerCalls++;
155
156 U64 cpu_clocks = get_cpu_clock_count();
157
158 sStart[sCurDepth] = cpu_clocks;
159 sCurDepth++;
160#endif
161 };
162 ~LLFastTimer()
163 {
164#if FAST_TIMER_ON
165 U64 end,delta;
166 int i;
167
168 // These don't get counted, because they use CPU clockticks
169 //gTimerBins[gCurTimerBin]++;
170 //LLTimer::sNumTimerCalls++;
171 end = get_cpu_clock_count();
172
173 sCurDepth--;
174 delta = end - sStart[sCurDepth];
175 sCounter[mType] += delta;
176 sCalls[mType]++;
177 // Subtract delta from parents
178 for (i=0; i<sCurDepth; i++)
179 sStart[i] += delta;
180#endif
181 }
182
183 static void reset();
184 static U64 countsPerSecond();
185
186public:
187 static int sCurDepth;
188 static U64 sStart[FTM_MAX_DEPTH];
189 static U64 sCounter[FTM_NUM_TYPES];
190 static U64 sCalls[FTM_NUM_TYPES];
191 static U64 sCountAverage[FTM_NUM_TYPES];
192 static U64 sCallAverage[FTM_NUM_TYPES];
193 static U64 sCountHistory[FTM_HISTORY_NUM][FTM_NUM_TYPES];
194 static U64 sCallHistory[FTM_HISTORY_NUM][FTM_NUM_TYPES];
195 static S32 sCurFrameIndex;
196 static S32 sLastFrameIndex;
197 static int sPauseHistory;
198 static int sResetHistory;
199 static F64 sCPUClockFrequency;
200
201private:
202 EFastTimerType mType;
203};
204
205
206#endif // LL_LLFASTTIMER_H
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