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Implement JVM_VirtualThread[Mount|Unmount|Start|End] #17125

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Implement JVM_VirtualThread[Mount|Unmount|Start|End] #17125

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2 changes: 2 additions & 0 deletions runtime/j9vm/exports.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -433,7 +433,9 @@ if(JAVA_SPEC_VERSION LESS 21)
else()
jvm_add_exports(jvm
JVM_IsForeignLinkerSupported
JVM_VirtualThreadEnd
JVM_VirtualThreadMount
JVM_VirtualThreadStart
JVM_VirtualThreadUnmount
)
endif()
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40 changes: 26 additions & 14 deletions runtime/j9vm/j9scar.tdf
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Expand Up @@ -339,10 +339,10 @@ TraceEntry=Trc_SC_RegisterSignal_Entry Overhead=1 Level=1 Template="JVM_Register
TraceExit=Trc_SC_RegisterSignal_Exit Overhead=1 Level=1 Template="JVM_RegisterSignal -- return old OS handler = %p"
TraceException=Trc_SC_RegisterSignal_FailedToRegisterHandler Overhead=1 Level=1 Template="Failed to register handler: OS signal value = %d, new signal handler = %p, old signal handler = %p"

TraceEntry=Trc_SC_GetExtendedNPEMessage_Entry Overhead=1 Level=3 Template="JVM_GetExtendedNPEMessage - throwableObj(0x%p)"
TraceEntry=Trc_SC_GetExtendedNPEMessage_Entry2 Overhead=1 Level=1 Template="JVM_GetExtendedNPEMessage - throwableObj(0x%p)"
TraceEvent=Trc_SC_GetExtendedNPEMessage_Null_NPE_MSG Overhead=1 Level=1 Template="JVM_GetExtendedNPEMessage - returns a NULL NPE message : romClass (0x%p) && romMethod (0x%p) bytecodeOffset (%d)"
TraceExit=Trc_SC_GetExtendedNPEMessage_Exit Overhead=1 Level=3 Template="JVM_GetExtendedNPEMessage - returns msgObjectRef(0x%p)"
TraceEntry=Trc_SC_GetExtendedNPEMessage_Entry Overhead=1 Level=3 Template="JVM_GetExtendedNPEMessage - throwableObj(%p)"
TraceEntry=Trc_SC_GetExtendedNPEMessage_Entry2 Overhead=1 Level=1 Template="JVM_GetExtendedNPEMessage - throwableObj(%p)"
TraceEvent=Trc_SC_GetExtendedNPEMessage_Null_NPE_MSG Overhead=1 Level=1 Template="JVM_GetExtendedNPEMessage - returns a NULL NPE message : romClass (%p) && romMethod (%p) bytecodeOffset (%d)"
TraceExit=Trc_SC_GetExtendedNPEMessage_Exit Overhead=1 Level=3 Template="JVM_GetExtendedNPEMessage - returns msgObjectRef(%p)"

TraceEntry=Trc_SC_UnloadLibrary_Entry NoEnv Overhead=1 Level=2 Template="JVM_UnloadLibrary(handle=%p)"
TraceEvent=Trc_SC_LoadLibrary_BootStrap NoEnv Overhead=1 Level=3 Template="JVM_LoadLibrary(name=%s) Bootstrap library"
Expand All @@ -351,21 +351,21 @@ TraceEvent=Trc_SC_LoadLibrary_OpenShared_Decorate NoEnv Overhead=1 Level=3 Templ

TraceExit=Trc_SC_LoadLibrary_Exit NoEnv Overhead=1 Level=2 Template="JVM_LoadLibrary -- return 0x%zx"

TraceEntry=Trc_SC_VirtualThreadMountBegin_Entry Overhead=1 Level=3 Template="thread = 0x%p, firstMount = %d"
TraceExit=Trc_SC_VirtualThreadMountBegin_Exit Overhead=1 Level=3 Template="thread = 0x%p, firstMount = %d"
TraceEntry=Trc_SC_VirtualThreadMountBegin_Entry Overhead=1 Level=3 Template="thread = %p, firstMount = %d"
TraceExit=Trc_SC_VirtualThreadMountBegin_Exit Overhead=1 Level=3 Template="thread = %p, firstMount = %d"

TraceEntry=Trc_SC_VirtualThreadMountEnd_Entry Overhead=1 Level=3 Template="thread = 0x%p, firstMount = %d"
TraceExit=Trc_SC_VirtualThreadMountEnd_Exit Overhead=1 Level=3 Template="thread = 0x%p, firstMount = %d"
TraceEntry=Trc_SC_VirtualThreadMountEnd_Entry Overhead=1 Level=3 Template="thread = %p, firstMount = %d"
TraceExit=Trc_SC_VirtualThreadMountEnd_Exit Overhead=1 Level=3 Template="thread = %p, firstMount = %d"

TraceEntry=Trc_SC_VirtualThreadUnmountBegin_Entry Overhead=1 Level=3 Template="thread = 0x%p, lastUnmount = %d"
TraceExit=Trc_SC_VirtualThreadUnmountBegin_Exit Overhead=1 Level=3 Template="thread = 0x%p, lastUnmount = %d"
TraceEntry=Trc_SC_VirtualThreadUnmountBegin_Entry Overhead=1 Level=3 Template="thread = %p, lastUnmount = %d"
TraceExit=Trc_SC_VirtualThreadUnmountBegin_Exit Overhead=1 Level=3 Template="thread = %p, lastUnmount = %d"

TraceEntry=Trc_SC_VirtualThreadUnmountEnd_Entry Overhead=1 Level=3 Template="thread = 0x%p, lastUnmount = %d"
TraceExit=Trc_SC_VirtualThreadUnmountEnd_Exit Overhead=1 Level=3 Template="thread = 0x%p, lastUnmount = %d"
TraceEntry=Trc_SC_VirtualThreadUnmountEnd_Entry Overhead=1 Level=3 Template="thread = %p, lastUnmount = %d"
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TraceExit=Trc_SC_VirtualThreadUnmountEnd_Exit Overhead=1 Level=3 Template="thread = %p, lastUnmount = %d"

TraceEvent=Trc_SC_VirtualThread_Info Overhead=1 Level=3 Test Template="virtualThreadObj = 0x%p, virtualThreadState = 0x%p, virtualThreadInspectorCount = %lld, carrierThreadObj = 0x%p, continuationObj = 0x%p, J9VMContinuation = 0x%p"
TraceEvent=Trc_SC_VirtualThread_Info Overhead=1 Level=3 Test Template="virtualThreadObj = %p, virtualThreadState = %p, virtualThreadInspectorCount = %lld, carrierThreadObj = %p, continuationObj = %p, J9VMContinuation = %p"

TraceEvent=Trc_SC_VirtualThread_RootNodeSet Overhead=1 Level=1 Test Template="Virtual threadlist root node set, global ref = 0x%p"
TraceEvent=Trc_SC_VirtualThread_RootNodeSet Overhead=1 Level=1 Test Template="Virtual threadlist root node set, global ref = %p"

TraceEntry=Trc_SC_ValidateJNILibrary_Entry NoEnv Overhead=1 Level=1 Template="JVM_ValidateJNILibrary(name=%s, handle=%p, isStatic=%d)"
TraceExit=Trc_SC_ValidateJNILibrary_Exit NoEnv Overhead=1 Level=1 Template="JVM_ValidateJNILibrary -- return %p"
Expand All @@ -375,3 +375,15 @@ TraceExit=Trc_SC_UnloadLibrary_Exit NoEnv Overhead=1 Level=2 Template="JVM_Unloa
// z/OS only
TraceEntry=Trc_SC_Invoke31BitJNI_OnXLoad_Entry NoEnv Overhead=1 Level=3 Template="JVM_Invoke31BitJNI_OnXLoad(vm=%p, handle=%p, isOnLoad=%d, reserved=%p)"
TraceExit=Trc_SC_Invoke31BitJNI_OnXLoad_Exit NoEnv Overhead=1 Level=3 Template="JVM_Invoke31BitJNI_OnXLoad -- return %d"

TraceEntry=Trc_SC_VirtualThreadMount_Entry Overhead=1 Level=3 Template="thread = %p, hide = %d"
TraceExit=Trc_SC_VirtualThreadMount_Exit Overhead=1 Level=3 Template="thread = %p, hide = %d"

TraceEntry=Trc_SC_VirtualThreadUnmount_Entry Overhead=1 Level=3 Template="thread = %p, hide = %d"
TraceExit=Trc_SC_VirtualThreadUnmount_Exit Overhead=1 Level=3 Template="thread = %p, hide = %d"

TraceEntry=Trc_SC_VirtualThreadStart_Entry Overhead=1 Level=3 Template="thread = %p"
TraceExit=Trc_SC_VirtualThreadStart_Exit Overhead=1 Level=3 Template="thread = %p"

TraceEntry=Trc_SC_VirtualThreadEnd_Entry Overhead=1 Level=3 Template="thread = %p"
TraceExit=Trc_SC_VirtualThreadEnd_Exit Overhead=1 Level=3 Template="thread = %p"
2 changes: 2 additions & 0 deletions runtime/j9vm/j9vmnatives.xml
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Expand Up @@ -440,7 +440,9 @@ SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-ex
<exports group="jdk21">
<!-- Additions for Java 21 (General) -->
<export name="JVM_IsForeignLinkerSupported"/>
<export name="JVM_VirtualThreadEnd"/>
<export name="JVM_VirtualThreadMount"/>
<export name="JVM_VirtualThreadStart"/>
<export name="JVM_VirtualThreadUnmount"/>
</exports>
</exportlists>
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