The EE Engine

An indepth look at the ExpressionEngine Engine, the logging built in to the system, and options we can use to improve the logging.

Presented at Engine Summit 2012 (http://environmentsforhumans.com/2012/engine-summit/)

and EECI 2012 in Leiden (http://eeciconf.com/)

The ewok references are relating to a current joke that with in bearded state I look like Wicket the Ewok, and live on the Forest Moon of Endor.

Transcript

1. The EE Engine Engine Summit 2012 & EECI 2012, Leiden 2012-05 1 Thursday, 31 May 12
2. Hello I’m @joelbradbury 2 Thursday, 31 May 12
3. Hello I’m @joelbradbury 3 Thursday, 31 May 12
4. Just Addon Dev A bit of everything Just Site Building 4 Thursday, 31 May 12
5. 1.Wave at me, and ask 2.Throw money, and ask 3.Wait until the end, and forget Questions 5 Thursday, 31 May 12
6. The EE Engine 6 Thursday, 31 May 12
7. TLDW; Engine Logging Beyond 7 Thursday, 31 May 12
8. 8 Thursday, 31 May 12
9. 9 Thursday, 31 May 12
10. 10 Thursday, 31 May 12
11. 11 Thursday, 31 May 12
12. 12 Thursday, 31 May 12
13. 13 Thursday, 31 May 12
14. Engine 14 Thursday, 31 May 12
15. Templates Addons Core 15 Thursday, 31 May 12
16. Core : ‣ loader ‣ input ‣ output ‣ security ‣ uri ‣ .. 16 Thursday, 31 May 12
17. Core Libraries: ‣ member ‣ session ‣ template ‣ view ‣ ... Core Models: ‣ channel model ‣ entries model ‣ template model ‣ ... 17 Thursday, 31 May 12
18. Addons: ‣ Modules ‣ Extensions ‣ Fieldtypes ‣ Plugins ‣ Accessories 1st & 3rd Party 18 Thursday, 31 May 12
19. Templates: ‣ Site itself ‣ Pull ‣ Parse ‣ Repeat ‣ Display ‣ .. 19 Thursday, 31 May 12
20. Templates Pull, Parse, Repeat, Display Core Core Libraries Core Models Pi Addons Mod Ext Ft 20 Thursday, 31 May 12
21. Addons .. Templates Core 21 Thursday, 31 May 12
22. (hapless user) 22 Thursday, 31 May 12
23. Core Addons .. Templates 23 Thursday, 31 May 12
24. (happy user) (still hapless) 24 Thursday, 31 May 12
25. (happy user) (still hapless) 25 Thursday, 31 May 12
26. Logging 26 Thursday, 31 May 12
27. Logging 27 Thursday, 31 May 12
28. Logging 28 Thursday, 31 May 12
29. Logging http://www.youtube.com/watch?v=aYPzGzeCa-E 29 Thursday, 31 May 12
30. Logging 30 Thursday, 31 May 12
31. Core Addons .. Templates 31 Thursday, 31 May 12
32. Core Addons .. Templates Output Profiler 32 Thursday, 31 May 12
33. Core Addons .. Templates Output Profiler Template Logging 33 Thursday, 31 May 12
34. Output Profiler 34 Thursday, 31 May 12
35. system/codeigniter/system/core/codeigniter.php ~line 102 Output Profiler 35 Thursday, 31 May 12
36. Output Profiler system/codeigniter/system/database/DB_driver.php ~line 288 36 Thursday, 31 May 12
37. Output Profiler system/codeigniter/system/database/DB_driver.php ~line 288 37 Thursday, 31 May 12
38. Output Profiler .. 38 Thursday, 31 May 12
39. Output Profiler All context is lost 39 Thursday, 31 May 12
40. Output Profiler 40 Thursday, 31 May 12
41. Core Addons .. Templates Template Logging 41 Thursday, 31 May 12
42. Template Logging 42 Thursday, 31 May 12
43. Template Logging system/expressionengine/libraries/Template.php ~line 3365 43 Thursday, 31 May 12
44. Template Logging 44 Thursday, 31 May 12
45. •Relative Execution Time •Memory Usage at time •Freeform text message •(implied execution order) Template Logging Logging points are optional 45 Thursday, 31 May 12
46. Template Logging Graphite Turns the template log into a graph http://squarebit.co.uk/graphite 46 Thursday, 31 May 12
47. Template Logging Graphite, turns this : 47 Thursday, 31 May 12
48. Template Logging into this : 48 Thursday, 31 May 12
49. Template Logging 49 Thursday, 31 May 12
50. Template Logging 50 Thursday, 31 May 12
51. Template Logging 51 Thursday, 31 May 12
52. Template Logging 52 Thursday, 31 May 12
53. Template Logging 53 Thursday, 31 May 12
54. Template Logging 54 Thursday, 31 May 12
55. Template Logging 55 Thursday, 31 May 12
56. Template Logging 56 Thursday, 31 May 12
57. Template Logging 57 Thursday, 31 May 12
58. Template Logging 58 Thursday, 31 May 12
59. Template Logging’s fatal flaw It’s internal to the system 59 Thursday, 31 May 12
60. Beyond 60 Thursday, 31 May 12
61. Core Addons .. Templates 61 Thursday, 31 May 12
62. Core Addons .. Templates 62 Thursday, 31 May 12
63. XDebug a php extension 63 Thursday, 31 May 12
64. Core Addons .. Templates XDebug 64 Thursday, 31 May 12
65. enabled in php.ini (may need installing first) 65 Thursday, 31 May 12
66. standard error display 66 Thursday, 31 May 12
67. XDebug error display 67 Thursday, 31 May 12
68. 68 Thursday, 31 May 12
69. it also does profiling http://yoursite.com/?XDEBUG_PROFILE=1 69 Thursday, 31 May 12
70. generates ‘cachegrind’ profiles a log of every call 70 Thursday, 31 May 12
71. Simple viewing with WebGrind https://github.com/jokkedk/webgrind 71 Thursday, 31 May 12
72. XDebug + Webgrind 72 Thursday, 31 May 12
73. XDebug + Webgrind 73 Thursday, 31 May 12
74. XDebug + Webgrind 74 Thursday, 31 May 12
75. XDebug + Webgrind 75 Thursday, 31 May 12
76. Wrap Up 76 Thursday, 31 May 12
77. Engine Addons .. Templates Core Wrap Up 77 Thursday, 31 May 12
78. Addons .. Templates Core Logging Wrap Up 78 Thursday, 31 May 12
79. Addons .. Templates Core Beyond Wrap Up 79 Thursday, 31 May 12
80. The EE Engine Engine Logging Beyond 80 Thursday, 31 May 12
81. Thanks I’ve been @joelbradbury Slides, more info, details : http://squarebit.co.uk/engine 81 Thursday, 31 May 12
82. 82 Thursday, 31 May 12