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Use -XX:+IProfileDuringStartupPhase in populate_scc.sh scripts #564

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Merged
leochr merged 1 commit into from
Jan 5, 2024
Merged

Use -XX:+IProfileDuringStartupPhase in populate_scc.sh scripts #564

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3 changes: 2 additions & 1 deletion ga/24.0.0.1/kernel/helpers/build/populate_scc.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,8 @@ fi
# In order to reduce the chances of this happening we use the -XX:+OriginalJDK8HeapSizeCompatibilityMode
# option to revert to the old criteria, which results in AOT code that is more compatible, on average, with typical heap sizes/positions.
# The option has no effect on later JDKs.
export OPENJ9_JAVA_OPTIONS="-XX:+OriginalJDK8HeapSizeCompatibilityMode $SCC"
# Using -XX:+IProfileDuringStartupPhase to enforce IProfiler collection during the startup phase to better populate the SCC.
export OPENJ9_JAVA_OPTIONS="-XX:+OriginalJDK8HeapSizeCompatibilityMode -XX:+IProfileDuringStartupPhase $SCC"
export IBM_JAVA_OPTIONS="$OPENJ9_JAVA_OPTIONS"
CREATE_LAYER="$OPENJ9_JAVA_OPTIONS,createLayer,groupAccess"
DESTROY_LAYER="$OPENJ9_JAVA_OPTIONS,destroy"
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3 changes: 2 additions & 1 deletion ga/latest/kernel/helpers/build/populate_scc.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,8 @@ fi
# In order to reduce the chances of this happening we use the -XX:+OriginalJDK8HeapSizeCompatibilityMode
# option to revert to the old criteria, which results in AOT code that is more compatible, on average, with typical heap sizes/positions.
# The option has no effect on later JDKs.
export OPENJ9_JAVA_OPTIONS="-XX:+OriginalJDK8HeapSizeCompatibilityMode $SCC"
# Using -XX:+IProfileDuringStartupPhase to enforce IProfiler collection during the startup phase to better populate the SCC.
export OPENJ9_JAVA_OPTIONS="-XX:+OriginalJDK8HeapSizeCompatibilityMode -XX:+IProfileDuringStartupPhase $SCC"
export IBM_JAVA_OPTIONS="$OPENJ9_JAVA_OPTIONS"
CREATE_LAYER="$OPENJ9_JAVA_OPTIONS,createLayer,groupAccess"
DESTROY_LAYER="$OPENJ9_JAVA_OPTIONS,destroy"
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