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Tune JVM, print full diagnostics on crash. 

JVM occasionally (0.5% time) crashes on entering a method with SIGSEGV.
It might be due to excessive load on the host machine. Reduce the number
of the compiler threads to 6, and do not start all the GC threads
immediately. If JVM crashes, copy full diagnostics to stderr.

Bug: 132766811
Test: treehugger
Change-Id: Ic1b09e0f2cbcf4c22214eaaeae464899b2b99ef7
This commit is contained in:
Sasha Smundak 2019-06-11 13:29:12 -07:00
parent 4995d2fe16
commit a638788c1a
1 changed files with 2 additions and 1 deletions
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3
core/combo/javac.mk
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@ -16,4 +16,5 @@ ANDROID_JAVA_TOOLCHAIN := $(ANDROID_JAVA_HOME)/bin
# TODO(ccross): remove this, it is needed for now because it is used by
# config.mk before makevars from soong are loaded
JAVA := $(ANDROID_JAVA_TOOLCHAIN)/java
JAVA := $(ANDROID_JAVA_TOOLCHAIN)/java -XX:OnError="cat hs_err_pid%p.log" -XX:CICompilerCount=6 -XX:+UseDynamicNumberOfGCThreads