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Use -XX:+IProfileDuringStartupPhase in populate_scc.sh scripts (#482)
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Make use of `-XX:+IProfileDuringStartupPhase` in the `populate_scc.sh`
script to enforce collecting IProfile information during JVM startup
phase and have more information to store into the SCC.

Signed-off-by: Abdulrahman Alattas <rmnattas@gmail.com>
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@rmnattas
rmnattas authored Jan 5, 2024
1 parent 66e06e2 commit 053c812
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3 changes: 2 additions & 1 deletion releases/24.0.0.1/full/helpers/build/populate_scc.sh
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Expand Up @@ -26,7 +26,8 @@ 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 releases/24.0.0.1/kernel-slim/helpers/build/populate_scc.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ 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 releases/latest/beta/helpers/build/populate_scc.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ 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 releases/latest/full/helpers/build/populate_scc.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ 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 releases/latest/kernel-slim/helpers/build/populate_scc.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ 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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