Session 409 - Learning Instruments

Transcript

1. These are confidential sessions—please refrain from streaming, blogging, or taking pictures Profiling your App Session 409 Learning Instruments David M. O’Rourke Performance Tools Engineering Manager
2. What You’ll Learn Today
3. What You’ll Learn Today •Elements of performance
4. What You’ll Learn Today •Elements of performance •Methodology to improve performance
5. What You’ll Learn Today •Elements of performance •Methodology to improve performance •Instruments tour
6. What You’ll Learn Today •Elements of performance •Methodology to improve performance •Instruments tour •iOS App optimization demonstrations
7. What Is Performance?
14. "Crashes all the time" "Crashes all the time"
18. Performance Is a Feature of Your App
19. Performance Is a Feature of Your App •Xcode to author/build your app
20. Performance Is a Feature of Your App •Xcode to author/build your app •Interface Builder to design your app
21. Performance Is a Feature of Your App •Xcode to author/build your app •Interface Builder to design your app •Instruments to profile your app ▪ Optimize performance ▪ Reduces crashes and terminations ▪ Can improve power usage
22. Performance Profile Process
23. Debug Process
24. Debug Process Reproduce the problem
25. Debug Process Reproduce the problem Debug and inspect logs
26. Debug Process Reproduce the problem Form a hypothesis Debug and inspect logs
27. Debug Process Reproduce the problem Form a hypothesis Make a change Debug and inspect logs
28. Debug Process Reproduce the problem Form a hypothesis Make a change Debug and inspect logs
29. Profile Process
30. Profile Process Reproduce the problem
31. Profile Process Reproduce the problem Profile with tools
32. Profile Process Form a hypothesis Reproduce the problem Profile with tools
33. Profile Process Form a hypothesis Make a change Reproduce the problem Profile with tools
34. Profile Process Form a hypothesis Make a change Reproduce the problem Profile with tools
35. Where Can I Find Instruments?
36. Where Can I Find Instruments?
37. How Do I Access Instruments?
38. How Do I Access Instruments?
39. How Do I Access Instruments?
40. How Do I Access Instruments? •Pro Tip ▪ Right-click and choose Keep in Dock
41. Instruments Tour
42. Document Model and Templates
43. Tour
44. Tour Toolbar
45. Tour Strategies
46. Tour Timeline
47. Tour Details
48. Tour Extended Details
49. Toolbar
50. Toolbar
51. Toolbar
52. Toolbar Target menu
53. Toolbar Target menu
54. Toolbar
55. Toolbar
56. Toolbar
57. Toolbar
58. Toolbar
59. Toolbar
60. Timeline Instrument strategy
61. Timeline Threads strategy
62. Timeline CPU strategy
63. Timeline and Filtering System Trace
64. Detail Pane Call Tree
65. Detail Pane Call Tree
66. Detail Pane Sample List
67. Detail Pane Source code
68. Detail Pane Source code
69. Detail Pane Disassembly
70. Detail Pane System Calls
71. Detail Pane Activity summary
72. Instruments
73. Demo Time Profiler example Joe Grzywacz Performance Tools Engineering
74. Use Call Tree
75. Use Call Tree
76. Use Thread Strategy
77. Use Thread Strategy
78. Use CPU Strategy
79. Demo Memory profiling example Victor Hernandez Performance Tools Engineering
80. Use Cycles and Roots
81. Use Allocations
82. Use Allocations
83. Closing Thoughts…
84. Profile Process
85. Profile Process Reproduce the problem
86. Profile Process Reproduce the problem Profile with tools
87. Profile Process Form a hypothesis Reproduce the problem Profile with tools
88. Profile Process Form a hypothesis Make a change Reproduce the problem Profile with tools
89. Profile Process Form a hypothesis Make a change Reproduce the problem Profile with tools
90. Instruments Templates Used
91. Instruments Templates Used 3 Improvements 2 Improvements
92. Can Profile Virtually Anything
93. Can Profile Virtually Anything
94. "Fantastic and Fast" "Fantastic and Fast"
95. "Must buy this app" "Must buy this app"
99. More Information Michael Jurewitz Developer Tools Evangelist jury@apple.com Instruments Documentation Instruments User Guide (Xcode Documentation) Instruments New Features User Guide Apple Developer Forums http://devforums.apple.com
100. Related Sessions iOS App Performance: Responsiveness Presidio Thursday 11:30AM iOS App Performance: Graphics and Animations Presidio Thursday 3:15PM iOS App Performance: Memory Presidio Thursday 4:30PM
101. Labs Xcode Lab Developer Tools Lab B Ongoing