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54 lines
2.7 KiB
Diff
54 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Micay <danielmicay@gmail.com>
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Date: Wed, 11 Sep 2019 06:47:11 -0400
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Subject: [PATCH] disable ICU cache pinning for exec spawning
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---
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.../main/java/dalvik/system/ZygoteHooks.java | 26 +++++++++++--------
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1 file changed, 15 insertions(+), 11 deletions(-)
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diff --git a/dalvik/src/main/java/dalvik/system/ZygoteHooks.java b/dalvik/src/main/java/dalvik/system/ZygoteHooks.java
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index de5a056143..e77cec2517 100644
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--- a/dalvik/src/main/java/dalvik/system/ZygoteHooks.java
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+++ b/dalvik/src/main/java/dalvik/system/ZygoteHooks.java
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@@ -49,15 +49,17 @@ public final class ZygoteHooks {
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*/
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@libcore.api.CorePlatformApi
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public static void onBeginPreload(boolean fullPreload) {
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- // Pin ICU data in memory from this point that would normally be held by soft references.
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- // Without this, any references created immediately below or during class preloading
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- // would be collected when the Zygote GC runs in gcAndFinalize().
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- CacheValue.setStrength(CacheValue.Strength.STRONG);
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-
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- // Explicitly exercise code to cache data apps are likely to need.
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- ULocale[] localesToPin = { ULocale.ROOT, ULocale.US, ULocale.getDefault() };
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- for (ULocale uLocale : localesToPin) {
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- new DecimalFormatSymbols(uLocale);
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+ if (fullPreload) {
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+ // Pin ICU data in memory from this point that would normally be held by soft references.
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+ // Without this, any references created immediately below or during class preloading
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+ // would be collected when the Zygote GC runs in gcAndFinalize().
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+ CacheValue.setStrength(CacheValue.Strength.STRONG);
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+
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+ // Explicitly exercise code to cache data apps are likely to need.
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+ ULocale[] localesToPin = { ULocale.ROOT, ULocale.US, ULocale.getDefault() };
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+ for (ULocale uLocale : localesToPin) {
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+ new DecimalFormatSymbols(uLocale);
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+ }
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}
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// Framework's LocalLog is used during app start-up. It indirectly uses the current ICU time
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@@ -72,8 +74,10 @@ public final class ZygoteHooks {
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*/
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@libcore.api.CorePlatformApi
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public static void onEndPreload(boolean fullPreload) {
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- // All cache references created by ICU from this point will be soft.
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- CacheValue.setStrength(CacheValue.Strength.SOFT);
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+ if (fullPreload) {
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+ // All cache references created by ICU from this point will be soft.
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+ CacheValue.setStrength(CacheValue.Strength.SOFT);
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+ }
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// Clone standard descriptors as originals closed / rebound during zygote post fork.
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FileDescriptor.in.cloneForFork();
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