Examples with J9SharedInvariantInternTablePointer com.ibm.j9ddr.vm29.pointer.generated.J9SharedInvariantInternTablePointer used on opensource projects

Example 1 with J9SharedInvariantInternTablePointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9SharedInvariantInternTablePointer in project openj9 by eclipse.

the class WalkInternTableCommand method printSharedTableStructure.

/**
 * typedef struct J9SharedInvariantInternTable {
 * 		UDATA (*performNodeAction)(struct J9SharedInvariantInternTable *sharedInvariantInternTable, struct J9SharedInternSRPHashTableEntry *node, UDATA action, void* userData);
 * 		UDATA flags;
 * 		omrthread_monitor_t *tableInternFxMutex;
 * 		struct J9SRPHashTable* sharedInvariantSRPHashtable;
 *		struct J9SharedInternSRPHashTableEntry* headNode;
 *		struct J9SharedInternSRPHashTableEntry* tailNode;
 *		J9SRP* sharedTailNodePtr;
 *	 	J9SRP* sharedHeadNodePtr;
 *		U_32* totalSharedNodesPtr;
 *		U_32* totalSharedWeightPtr;
 *		struct J9ClassLoader* systemClassLoader;
 *} J9SharedInvariantInternTable;
 *
 * typedef struct J9SRPHashTable {
 * 		const char* tableName;
 * 		struct J9SRPHashTableInternal* srpHashtableInternal;
 * 		UDATA (*hashFn)(void *key, void *userData);
 * 		UDATA (*hashEqualFn)(void *existingEntry,void *key, void *userData);
 * 		void (*printFn)(J9PortLibrary *portLibrary, void *key, void *userData);
 * 		struct J9PortLibrary* portLibrary;
 * 		void* functionUserData;
 * 		UDATA flags;
 * } J9SRPHashTable;
 *
 * typedef struct J9SRPHashTableInternal {
 * 		U_32 tableSize;
 * 		U_32 numberOfNodes;
 * 		U_32 entrySize;
 * 		U_32 nodeSize;
 * 		U_32 flags;
 * 		J9SRP nodes;
 * 		J9SRP nodePool;
 * } J9SRPHashTableInternal;
 *
 * Prints the info for three VM structures that are shown above and used for shared intern table.
 * 1. 	J9SharedInvariantInternTable
 * 2.	J9SRPHashTable
 * 3. 	J9SRPHashTableInternal
 *
 * @param 	out		PrintStream
 * @throws	CorruptDataException
 * @return 	void
 */
private void printSharedTableStructure(PrintStream out) throws CorruptDataException {
    J9JavaVMPointer vm = J9RASHelper.getVM(DataType.getJ9RASPointer());
    J9SharedInvariantInternTablePointer sharedInternTable;
    sharedInternTable = vm.sharedInvariantInternTable();
    if (!sharedInternTable.isNull()) {
        out.println(sharedInternTable.formatFullInteractive());
    }
    out.append("Total Shared Weight : " + sharedInternTable.totalSharedWeightPtr().at(0).longValue() + nl);
    J9SRPHashTablePointer srphashtable = sharedInternTable.sharedInvariantSRPHashtable();
    if (!srphashtable.isNull()) {
        out.println(srphashtable.formatFullInteractive());
    }
    J9SRPHashTableInternalPointer srpHashTableInternal = srphashtable.srpHashtableInternal();
    if (!srpHashTableInternal.isNull()) {
        out.println(srpHashTableInternal.formatFullInteractive());
    }
}

Example 2 with J9SharedInvariantInternTablePointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9SharedInvariantInternTablePointer in project openj9 by eclipse.

the class WalkInternTableCommand method walkSharedTable.

/**
 * Walks through the shared string intern table nodes and prints the info about them on each line.
 * @param out
 * @throws CorruptDataException
 * @return void
 */
private void walkSharedTable(PrintStream out) throws CorruptDataException {
    int totalWeight = 0;
    J9JavaVMPointer vm = J9RASHelper.getVM(DataType.getJ9RASPointer());
    J9SharedInvariantInternTablePointer sharedInternTable = vm.sharedInvariantInternTable();
    /* Check if there is sharedInternTable before to go further */
    if (!sharedInternTable.isNull()) {
        J9SharedInternSRPHashTableEntryPointer currentEntry = sharedInternTable.headNode();
        int counter = 1;
        out.append("=================================================================================" + nl);
        out.append(tab(2) + "WALKING SHARED INTERN SRP HASHTABLE (SRPHashTable " + sharedInternTable.sharedInvariantSRPHashtable().getHexAddress() + ")" + nl);
        out.append(tab(2) + "FROM: MRU (MOST RECENTLY USED)" + nl);
        out.append(tab(2) + "TO: LRU (LEAST RECENTLY USED)" + nl);
        out.append("=================================================================================" + nl);
        while (!currentEntry.isNull()) {
            out.append(counter + "." + tab + "Shared Table Entry < !J9SharedInternSRPHashTableEntry " + currentEntry.getHexAddress() + " Flags: " + currentEntry.flags().getHexValue() + " IWeight: " + currentEntry.internWeight().longValue() + " IsUTF8Shared: " + currentEntry.flags().allBitsIn(J9SharedInternSRPHashTableEntry.STRINGINTERNTABLES_NODE_FLAG_UTF8_IS_SHARED) + ">" + tab + "UTF8 <Add: " + currentEntry.utf8SRP().getHexAddress() + " Data: \"" + J9UTF8Helper.stringValue(currentEntry.utf8SRP()) + "\">" + nl);
            totalWeight += currentEntry.internWeight().longValue();
            currentEntry = currentEntry.nextNode();
            counter++;
        }
        out.append("Total Weight = " + totalWeight + nl);
        out.append("=================================================================================" + nl);
        out.append(tab(2) + "WALKING SHARED INTERN SRP HASHTABLE COMPLETED" + nl);
        out.append("=================================================================================" + nl);
    }
}