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Colin Cross 098c09334f Remove unnecessary locking in fs 
osFs.acquire and osFs.release are surprisingly expensive, using a
combined 345.7s of runtime in an AOSP aosp_cf_x86_64_phone-userdebug
build.  They are used to ensure we don't use too many simultaneous
open files, but many of the functions they are called from don't
actually open a file.  Remove them from all the stat-based functions
(Exists, IsDir, IsSymlink, Lstat, Stat), and from ReadLink.  After
this change the time spent in acquire and release is effectively
zero.

Test: SOONG_PROFILE_CPU=/tmp/cpu.pprof m nothing
Change-Id: Ie5e22e33c61794354821f05ab79ceb4efc3b276c
2023-10-31 20:24:35 +00:00
.github/workflows Fix github builds for deprecated set-env and add-path commands (#333) 2020-11-23 16:52:58 -08:00
bootstrap Always generate rules for blueprint tests 2023-10-24 11:05:56 -07:00
bpfmt bpfmt: Process all blueprint files when a directory is specified 2023-08-04 01:01:55 -07:00
bpmodify bpmodify: Add a set-bool flag to set single boolean values 2022-10-28 18:46:51 +00:00
deptools Make WriteDepFile escape spaces and special characters 2015-04-14 23:34:24 -04:00
gotestmain Support go1.18, drop support for <go1.8 2021-12-14 15:58:35 -08:00
gotestrunner gotestrunner: Make GOROOT absolute before chdir 2017-01-18 14:42:09 -08:00
loadplugins Implement plugins for bootstrap go modules 2015-09-14 15:35:12 -07:00
metrics Add unit test for EventHandler 2023-02-27 11:41:51 -05:00
microfactory apply gofmt 2023-02-21 15:11:20 -05:00
parser bpfmt: Test comment line while sorting arrays 2023-05-17 15:17:49 -07:00
pathtools Remove unnecessary locking in fs 2023-10-31 20:24:35 +00:00
proptools apply gofmt 2023-02-21 15:11:20 -05:00
tests Make test_tree_tests.sh slightly easier to read 2017-10-30 15:00:19 -07:00
.gitignore gitignore intelliJ files 2022-02-02 11:36:11 -05:00
.gofmt.sh Use github actions instead of travis 2020-06-15 10:32:10 -07:00
Android.bp Add name hint to blueprint. 2023-04-10 20:21:15 +00:00
CODEOWNERS Add CODEOWNERS: @google/blueprint 2020-10-07 11:57:54 +08:00
context.go Optimize memory usage of ninjaString 2023-06-15 21:53:56 -07:00
context_test.go Optimize memory usage of ninjaString 2023-06-15 21:53:56 -07:00
CONTRIBUTING.md Add CONTRIBUTING.md file 2015-03-16 00:12:49 -07:00
doc.go apply gofmt 2023-02-21 15:11:20 -05:00
glob.go Speed up globs with sharding 2021-04-15 11:04:11 -07:00
glob_test.go Rename Blueprints to Android.bp . 2021-09-02 11:48:19 +02:00
go.mod Use phony ninja outputs to reduce file-size 2023-03-07 01:39:27 -05:00
levenshtein.go Add name hint to blueprint. 2023-04-10 20:21:15 +00:00
levenshtein_test.go Add name hint to blueprint. 2023-04-10 20:21:15 +00:00
LICENSE Add license headers and LICENSE file 2015-01-23 14:23:27 -08:00
live_tracker.go Wrap singleton ninjaString Eval calls 2023-07-11 19:58:01 +00:00
mangle.go Add license headers and LICENSE file 2015-01-23 14:23:27 -08:00
module_ctx.go Plumb module tags through to ninja. 2023-06-22 17:15:33 +00:00
module_ctx_test.go context: Allow running some singletons in parallel. 2023-05-19 19:03:08 +00:00
name_interface.go Add name hint to blueprint. 2023-04-10 20:21:15 +00:00
ninja_defs.go Plumb module tags through to ninja. 2023-06-22 17:15:33 +00:00
ninja_strings.go Plumb module tags through to ninja. 2023-06-22 17:15:33 +00:00
ninja_strings_test.go Optimize memory usage of ninjaString 2023-06-15 21:53:56 -07:00
ninja_writer.go Optimize memory usage of ninjaString 2023-06-15 21:53:56 -07:00
ninja_writer_test.go Optimize memory usage of ninjaString 2023-06-15 21:53:56 -07:00
OWNERS Refactor OWNERS in platform/build/blueprint 2020-10-08 16:23:53 -07:00
package_ctx.go Optimize memory usage of ninjaString 2023-06-15 21:53:56 -07:00
PREUPLOAD.cfg Add preupload hooks to build/blueprint 2021-02-23 10:29:46 -08:00
provider.go Add Providers to Blueprint 2020-09-22 18:20:18 -07:00
provider_test.go Make skip-cloning blueprint option public 2023-06-13 01:25:06 +00:00
README.md Update README.md . 2022-10-10 07:06:22 +00:00
scope.go Optimize memory usage of ninjaString 2023-06-15 21:53:56 -07:00
singleton_ctx.go Wrap singleton ninjaString Eval calls 2023-07-11 19:58:01 +00:00
splice_modules_test.go Maintain ordering between variants and aliases 2020-09-09 18:29:15 -07:00
visit_test.go apply gofmt 2023-02-21 15:11:20 -05:00

README.md

Blueprint Build System

Blueprint is part of Soong.

For more information, see build/soong/README.md .