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| author | Edgar Arriaga <edgararriaga@google.com> | 2020-04-06 16:59:57 -0700 |
|---|---|---|
| committer | Winson Chiu <chiuwinson@google.com> | 2020-04-17 18:38:29 +0000 |
| commit | c7f8e75806772e6b2414f5ee437caca6882bf5d4 (patch) | |
| tree | 12ebf0343a565eb1830976eadd46aa91c8b64a5c /tools/aapt2/java/JavaClassGenerator_test.cpp | |
| parent | 56ef0ea4b6d1a73d898c7c06e8e64589ce83cacd (diff) | |
Optimization: remove duplicated flags computations for getInstalledPackages
Below are some test runs that show 100 iterations of getInstalledPackages ran
at activity startup of touchlatency app to demonstrate the perf cost.
R Baseline:
https://screenshot.googleplex.com/PnVi5APraJo
https://pprof.corp.google.com/?id=dc105ca9592f8367c381e2dcf7f1847d
R Optimized:
https://pprof.corp.google.com/?id=2d1d9fadc20bcc61d41bd52116bd94e3
https://screenshot.googleplex.com/OAwJnvwPqPH
Savings: 8% of system_server binder response time when the call is executed.
In terms total binder transaction time. Savings are 2% of the total
binder call time.
Exempt-From-Owner-Approval: CP to correct branch for R
Bug: 153656459
Test: atest FrameworksServicesTests:PackageParserTest
Test: atest FrameworksServicesTests:PackageParserLegacyCoreTest
Test: atest FrameworksServicesTests:ScanTests
Test: atest FrameworksServicesTests:ParallelPackageParserTest
Merged-In: I2de9cf1f754a505239d4416e1fc70bf77932c5db
Change-Id: I2de9cf1f754a505239d4416e1fc70bf77932c5db
(cherry picked from commit 7cb9e5f671dc02c15efcbceadb764026e0e70855)
Diffstat (limited to 'tools/aapt2/java/JavaClassGenerator_test.cpp')
0 files changed, 0 insertions, 0 deletions