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- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
C-6 Optimizing DSP56300/DSP56600 Applications MOTOROLA
Using the Profiler
C.3.5 Basic Subroutine Report
This section of the profile report lists the subroutines that have been
executed during the DSP program simulation. For each subroutine,
the report provides the number of times the subroutine has been
called, the number of different places from which the subroutine
was called, the number of entry points used for the subroutine, and
the total number of machine cycles spent executing the subroutine.
Example C-7 depicts part of the Basic subroutine report, in ASCII
format.
C.3.6 Subroutine Call Graph Report
This section of the profile report provides information on the
interaction between subroutines during DSP program simulation.
For each subroutine that has been executed the report lists the
subroutines from which it has been invoked and the subroutines
which it has invoked. For each pair of caller-callee relationship, the
report provides the number of times caller has called callee and the
number of cycles spent during those invocations. The format of the
Subroutine Call Graph report follows that of the Unix “gprof”
utility. Example C-8 on page C-7 depicts part of the Subroutine Call
Graph report, in ASCII format.
Example C-7 Typical Basic Subroutine Report
Basic Subroutine Profile
Routine Type #calls #call #entry Cycles %Cycles Cumulativepoints
points Cycles
------------------------------- ------ ------ ---------------------------------
aflatRecursion inline 36800 1 0 4907200 14.7 4907200
lpcZsIir1 4120 2 1 4049960 12.1 8957160
v_srch 504 2 1 3464400 10.4 12421560
openLoopLagSearch 100 1 1 2665640 8.0 15087200
lpcZsIir 1687 4 1 1653260 5.0 16740460
getNextVec inline 37100 2 0 1249900 3.7 17990360
flat 100 1 1 1195900 3.6 19186260
lpcFir 1200 3 1 1102800 3.3 20289060
sfrmAnalysis 400 2 1 988694 3.0 21277754
fnBest_CG 1215 2 1 945577 2.8 22223331
decorr 400 2 1 760552 2.3 22983883
- DSP56300/DSP56600 1
- Digital Signal 1
- Processors 1
- TABLE OF CONTENTS 2
- LIST OF FIGURES 6
- LIST OF TABLES 7
- INTRODUCTION 8
- 1.2 DSP56600 CORE FAMILY 9
- Table 1-1 11
- Introduction 12
- Description and Use 13
- Application Note Structure 14
- 1.4.3 Appendixes 15
- DATA OPERATIONS 16
- DSP56300 Family Manual 21
- 2.3 THE MAX INSTRUCTION 22
- 2.4 USING THE BARREL SHIFTER 23
- Data Operations 24
- Using the barrel shifter 24
- DSP56300 26
- DSP56600 Family 26
- Double precision arithmetic 27
- INSTRUCTIONS 28
- PROGRAM CONTROL 30
- Program Control 31
- Hardware Loops 31
- 3.2 THE HARDWARE STACK 32
- DSP56600 Family Manuals 35
- 3.3 USING THE STACK EXTENSION 36
- Using the Stack Extension 37
- EXTENSION 39
- Conditional DALU Instructions 40
- 3.6 PC RELATIVE INSTRUCTIONS 42
- DSP56600 Family Manual 43
- 3.7 USING FAST INTERRUPTS 46
- Using Fast Interrupts 48
- USING THE DMA 50
- Using the DMA 51
- Using Slow, Low-Cost Memories 54
- 4.4 SERVICING A PERIPHERAL 55
- Servicing a Peripheral 56
- Section 5 62
- 5.1 THE INSTRUCTION CACHE 62
- 5.1.1 Cache Sectors 64
- The Instruction Cache 65
- 5.1.3 Cache Burst Mode 67
- 5.2 MEMORY SWITCH 70
- Memory Switch 71
- 5.3 USING THE BOOTSTRAP ROM 72
- Using the Bootstrap ROM 73
- PIPELINE INTERLOCKS 74
- Pipeline Interlocks 75
- Data ALU Pipeline Interlocks 75
- DSP56000 Family Manual 76
- INTERLOCKS 80
- Interlocks 80
- 6.3 STACK EXTENSION DELAYS 81
- Interlocks? 83
- COMPACT OPCODE USE 86
- Instructions 87
- Compact Opcode Use 89
- Cycle Count of an Instruction 89
- 7.2 ADDRESSING MODES 90
- 7.2.2 Short Addressing Mode 91
- 7.2.3 Short Immediate Mode 91
- 7.2.5 Register Addressing 92
- 7.2.6 Word Count 92
- 7.3 PERIPHERAL ADDRESSING 92
- 7.4 SPECIAL INSTRUCTIONS 93
- 7.4.1 Dual Data Spaces 93
- 7.4.3 Clearing Registers 94
- Special Instructions 95
- SAVING POWER 96
- A.1.2 Stop Standby Mode 97
- A.1.3 Low-Power Clock Divider 97
- Saving Power 98
- Disabling Functional Blocks 98
- DEBUG AND TEST SUPPORT 100
- B.2 JTAG PORT FEATURES 101
- B.3 ADDRESS TRACING 102
- Debug and Test Support 103
- Address Tracing 103
- USING THE PROFILER 104
- C.3 THE PROFILING REPORT 105
- C.3.1 Basic Report 105
- C.3.2 Symbol Report 106
- Using the Profiler 107
- C.3.4 Code Coverage Report 108
- C.3.5 Basic Subroutine Report 109
- C.3.8 Subroutine Call Report 111
- C.4 USING THE PROFILE REPORT 111
- How to reach us: 112
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