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src/java.base/share/classes/sun/misc/PerfCounter.java

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*** 35,45 **** * This class defines a fixed list of counters for the platform * to use as an interim solution until RFE# 6209222 is implemented. * The perf counters will be created in the jvmstat perf buffer * that the HotSpot VM creates. The default size is 32K and thus * the number of counters is bounded. You can alter the size ! * with -XX:PerfDataMemorySize=<bytes> option. If there is * insufficient memory in the jvmstat perf buffer, the C heap memory * will be used and thus the application will continue to run if * the counters added exceeds the buffer size but the counters * will be missing. * --- 35,45 ---- * This class defines a fixed list of counters for the platform * to use as an interim solution until RFE# 6209222 is implemented. * The perf counters will be created in the jvmstat perf buffer * that the HotSpot VM creates. The default size is 32K and thus * the number of counters is bounded. You can alter the size ! * with {@code -XX:PerfDataMemorySize=<bytes>} option. If there is * insufficient memory in the jvmstat perf buffer, the C heap memory * will be used and thus the application will continue to run if * the counters added exceeds the buffer size but the counters * will be missing. *
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