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| author | Christopher Tate <ctate@google.com> | 2020-12-11 10:01:20 -0800 |
|---|---|---|
| committer | Christopher Tate <ctate@google.com> | 2021-02-22 17:47:16 -0800 |
| commit | 8a3e7201b5a58c1bf09a9e2ffc014afcf3a2cdcc (patch) | |
| tree | fe8699e7dd0a258382dd51a8fab6441e56c396b7 /rs/java/android/renderscript/RenderScriptCacheDir.java | |
| parent | 087715166a3ff1ce5a21fd926395ff42b47e4322 (diff) | |
Make isAppBad() lock-free
We trade off increased cost of (rare) mutations of the set of "bad" apps
in order to make the core lookup "is this specific app bad?" lock-free.
Locking discipline turned out to be a dominant cost in a very hot code
path within the running system, even uncontended.
Bug: 175339368
Bug: 163297662
Test: atest ActivityManagerServiceTest
Change-Id: I8803a177d46b01b86897f1e8d0966eb2452849fd
Merged-In: I8803a177d46b01b86897f1e8d0966eb2452849fd
Diffstat (limited to 'rs/java/android/renderscript/RenderScriptCacheDir.java')
0 files changed, 0 insertions, 0 deletions