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review.blissroms.org / platform_build_kati / 23fa84358587eee87a45ff41f7559512c4549fb0
commit23fa84358587eee87a45ff41f7559512c4549fb0[log] [tgz]
authorDan Willemsen <dwillemsen@google.com>Mon Feb 05 20:58:09 2018 -0800
committerDan Willemsen <dwillemsen@google.com>Tue Feb 06 14:55:03 2018 -0800
treec792785956a8981d32179c0a028586234c5dc229
parent4c6ff1826c53f5b260903321548e286296cbd8f5 [diff]
Support the implicit "-a" in find

The find man page says that "expression expression" is equivalent to
"expression -a expression".

This reduces the number of shell commands we need to run during regen
check of one of the internal android trees by ~10%, which reduced the
time spent in regen checking by ~60%.

before: *kati*: shell time (regen): 5.842119 / 516
after:  *kati*: shell time (regen): 2.377083 / 462

Change-Id: I177f37cd7e12625fb2dbfa371f3d79cb625c84fe
2 files changed
tree: c792785956a8981d32179c0a028586234c5dc229
  1. cmd/
  2. make-c/
  3. testcase/
  4. .clang-format
  5. .gitignore
  6. .travis.yml
  7. affinity.cc
  8. affinity.h
  9. Android.bp
  10. ast.go
  11. AUTHORS
  12. bootstrap.go
  13. buf.go
  14. buf_test.go
  15. command.cc
  16. command.h
  17. CONTRIBUTING.md
  18. CONTRIBUTORS
  19. dep.cc
  20. dep.go
  21. dep.h
  22. depgraph.go
  23. doc.go
  24. eval.cc
  25. eval.go
  26. eval.h
  27. evalcmd.go
  28. exec.cc
  29. exec.go
  30. exec.h
  31. expr.cc
  32. expr.go
  33. expr.h
  34. expr_test.go
  35. file.cc
  36. file.h
  37. file_cache.cc
  38. file_cache.h
  39. fileutil.cc
  40. fileutil.go
  41. fileutil.h
  42. fileutil_bench.cc
  43. find.cc
  44. find.h
  45. find_test.cc
  46. flags.cc
  47. flags.go
  48. flags.h
  49. func.cc
  50. func.go
  51. func.h
  52. func_test.go
  53. INTERNALS.md
  54. io.cc
  55. io.h
  56. LICENSE
  57. loc.h
  58. log.cc
  59. log.go
  60. log.h
  61. m2n
  62. main.cc
  63. make-c.sh
  64. Makefile
  65. Makefile.ckati
  66. Makefile.kati
  67. ninja.cc
  68. ninja.go
  69. ninja.h
  70. ninja_test.cc
  71. ninja_test.go
  72. pack.sh
  73. parser.cc
  74. parser.go
  75. parser.h
  76. pathutil.go
  77. pathutil_test.go
  78. query.go
  79. README.md
  80. regen.cc
  81. regen.h
  82. regen_dump.cc
  83. rule.cc
  84. rule.h
  85. rule_parser.go
  86. rule_parser_test.go
  87. runtest.rb
  88. serialize.go
  89. shellutil.go
  90. shellutil_test.go
  91. stats.cc
  92. stats.go
  93. stats.h
  94. stmt.cc
  95. stmt.h
  96. string_piece.cc
  97. string_piece.h
  98. string_piece_test.cc
  99. stringprintf.cc
  100. stringprintf.h
  101. strutil.cc
  102. strutil.go
  103. strutil.h
  104. strutil_bench.cc
  105. strutil_test.cc
  106. strutil_test.go
  107. symtab.cc
  108. symtab.go
  109. symtab.h
  110. testutil.h
  111. thread_local.h
  112. thread_pool.cc
  113. thread_pool.h
  114. timeutil.cc
  115. timeutil.h
  116. var.cc
  117. var.go
  118. var.h
  119. version.go
  120. version.h
  121. version_unknown.cc
  122. worker.go
README.md

kati

Build Status

kati is an experimental GNU make clone. The main goal of this tool is to speed-up incremental build of Android.

Currently, kati does not offer a faster build by itself. It instead converts your Makefile to a ninja file.

How to use for Android

Now AOSP has kati and ninja, so all you have to do is

% export USE_NINJA=true

All Android's build commands (m, mmm, mmma, etc.) should just work.

How to use for Android (deprecated way)

Set up kati:

% cd ~/src
% git clone https://github.com/google/kati
% cd kati
% make

Build Android:

% cd <android-directory>
% source build/envsetup.sh
% lunch <your-choice>
% ~/src/kati/m2n --kati_stats  # Use --goma if you are a Googler.
% ./ninja.sh

You need ninja in your $PATH.

More usage examples (deprecated way)

"make clean"

% ./ninja.sh -t clean

Note ./ninja.sh passes all parameters to ninja.

Build a specific target

For example, the following is equivalent to "make cts":

% ./ninja.sh cts

Or, if you know the path you want, you can do:

% ./ninja.sh out/host/linux-x86/bin/adb