14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.internal.instrument; 27 28 import java.util.ArrayList; 29 import java.util.List; 30 31 import jdk.internal.module.Modules; 32 import jdk.jfr.Event; 33 import jdk.jfr.FlightRecorder; 34 import jdk.jfr.events.ActiveRecordingEvent; 35 import jdk.jfr.events.ActiveSettingEvent; 36 import jdk.jfr.events.ErrorThrownEvent; 37 import jdk.jfr.events.ExceptionStatisticsEvent; 38 import jdk.jfr.events.ExceptionThrownEvent; 39 import jdk.jfr.events.FileForceEvent; 40 import jdk.jfr.events.FileReadEvent; 41 import jdk.jfr.events.FileWriteEvent; 42 import jdk.jfr.events.SocketReadEvent; 43 import jdk.jfr.events.SocketWriteEvent; 44 import jdk.jfr.internal.JVM; 45 import jdk.jfr.internal.LogLevel; 46 import jdk.jfr.internal.LogTag; 47 import jdk.jfr.internal.Logger; 48 import jdk.jfr.internal.RequestEngine; 49 import jdk.jfr.internal.SecuritySupport; 50 import jdk.jfr.internal.Utils; 51 52 public final class JDKEvents { 53 54 private static final Class<?>[] eventClasses = { 55 FileForceEvent.class, 56 FileReadEvent.class, 57 FileWriteEvent.class, 58 SocketReadEvent.class, 59 SocketWriteEvent.class, 60 ExceptionThrownEvent.class, 61 ExceptionStatisticsEvent.class, 62 ErrorThrownEvent.class, 63 ActiveSettingEvent.class, 64 ActiveRecordingEvent.class 65 }; 66 67 // This is a list of the classes with instrumentation code that should be applied. 68 private static final Class<?>[] instrumentationClasses = new Class<?>[] { 69 FileInputStreamInstrumentor.class, 70 FileOutputStreamInstrumentor.class, 71 RandomAccessFileInstrumentor.class, 72 FileChannelImplInstrumentor.class, 73 SocketInputStreamInstrumentor.class, 74 SocketOutputStreamInstrumentor.class, 75 SocketChannelImplInstrumentor.class 76 }; 77 78 private static final Class<?>[] targetClasses = new Class<?>[instrumentationClasses.length]; 79 private static final JVM jvm = JVM.getJVM(); 80 private static final Runnable emitExceptionStatistics = JDKEvents::emitExceptionStatistics; 81 private static boolean initializationTriggered; 82 83 @SuppressWarnings("unchecked") 84 public synchronized static void initialize() { 85 try { 86 if (initializationTriggered == false) { 87 Module jdkJfrModule = Event.class.getModule(); 88 Module javaBaseModule = Object.class.getModule(); 89 Modules.addReads(javaBaseModule, jdkJfrModule); 90 Modules.addExports(jdkJfrModule, Utils.EVENTS_PACKAGE_NAME, javaBaseModule); 91 Modules.addExports(jdkJfrModule, Utils.INSTRUMENT_PACKAGE_NAME, javaBaseModule); 92 Modules.addExports(jdkJfrModule, Utils.HANDLERS_PACKAGE_NAME, javaBaseModule); 93 for (Class<?> eventClass : eventClasses) { 94 SecuritySupport.registerEvent((Class<? extends Event>) eventClass); 95 } 96 initializationTriggered = true; 97 FlightRecorder.addPeriodicEvent(ExceptionStatisticsEvent.class, emitExceptionStatistics); 98 } 99 } catch (Exception e) { 100 Logger.log(LogTag.JFR_SYSTEM, LogLevel.WARN, "Could not initialize JDK events. " + e.getMessage()); 101 } 102 } 103 104 public static void addInstrumentation() { 105 try { 106 List<Class<?>> list = new ArrayList<>(); 107 for (int i = 0; i < instrumentationClasses.length; i++) { 108 JIInstrumentationTarget tgt = instrumentationClasses[i].getAnnotation(JIInstrumentationTarget.class); 109 Class<?> clazz = Class.forName(tgt.value()); 110 targetClasses[i] = clazz; 111 list.add(clazz); 112 } | 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.internal.instrument; 27 28 import java.util.ArrayList; 29 import java.util.List; 30 31 import jdk.internal.module.Modules; 32 import jdk.jfr.Event; 33 import jdk.jfr.FlightRecorder; 34 import jdk.jfr.events.*; 35 import jdk.jfr.internal.JVM; 36 import jdk.jfr.internal.LogLevel; 37 import jdk.jfr.internal.LogTag; 38 import jdk.jfr.internal.Logger; 39 import jdk.jfr.internal.RequestEngine; 40 import jdk.jfr.internal.SecuritySupport; 41 import jdk.jfr.internal.Utils; 42 43 public final class JDKEvents { 44 45 private static final Class<?>[] mirrorEventClasses = { 46 SecurityPropertyModificationEvent.class, 47 TLSHandshakeEvent.class, 48 X509CertificateEvent.class, 49 X509ValidationEvent.class 50 }; 51 52 private static final Class<?>[] eventClasses = { 53 FileForceEvent.class, 54 FileReadEvent.class, 55 FileWriteEvent.class, 56 SocketReadEvent.class, 57 SocketWriteEvent.class, 58 ExceptionThrownEvent.class, 59 ExceptionStatisticsEvent.class, 60 ErrorThrownEvent.class, 61 ActiveSettingEvent.class, 62 ActiveRecordingEvent.class, 63 jdk.internal.event.SecurityPropertyModificationEvent.class, 64 jdk.internal.event.TLSHandshakeEvent.class, 65 jdk.internal.event.X509CertificateEvent.class, 66 jdk.internal.event.X509ValidationEvent.class 67 }; 68 69 // This is a list of the classes with instrumentation code that should be applied. 70 private static final Class<?>[] instrumentationClasses = new Class<?>[] { 71 FileInputStreamInstrumentor.class, 72 FileOutputStreamInstrumentor.class, 73 RandomAccessFileInstrumentor.class, 74 FileChannelImplInstrumentor.class, 75 SocketInputStreamInstrumentor.class, 76 SocketOutputStreamInstrumentor.class, 77 SocketChannelImplInstrumentor.class 78 }; 79 80 private static final Class<?>[] targetClasses = new Class<?>[instrumentationClasses.length]; 81 private static final JVM jvm = JVM.getJVM(); 82 private static final Runnable emitExceptionStatistics = JDKEvents::emitExceptionStatistics; 83 private static boolean initializationTriggered; 84 85 @SuppressWarnings("unchecked") 86 public synchronized static void initialize() { 87 try { 88 if (initializationTriggered == false) { 89 Module jdkJfrModule = Event.class.getModule(); 90 Module javaBaseModule = Object.class.getModule(); 91 Modules.addReads(javaBaseModule, jdkJfrModule); 92 Modules.addExports(jdkJfrModule, Utils.EVENTS_PACKAGE_NAME, javaBaseModule); 93 Modules.addExports(jdkJfrModule, Utils.INSTRUMENT_PACKAGE_NAME, javaBaseModule); 94 Modules.addExports(jdkJfrModule, Utils.HANDLERS_PACKAGE_NAME, javaBaseModule); 95 for (Class<?> mirrorEventClass : mirrorEventClasses) { 96 SecuritySupport.registerMirror(((Class<? extends Event>)mirrorEventClass)); 97 } 98 for (Class<?> eventClass : eventClasses) { 99 SecuritySupport.registerEvent((Class<? extends Event>) eventClass); 100 } 101 initializationTriggered = true; 102 FlightRecorder.addPeriodicEvent(ExceptionStatisticsEvent.class, emitExceptionStatistics); 103 } 104 } catch (Exception e) { 105 Logger.log(LogTag.JFR_SYSTEM, LogLevel.WARN, "Could not initialize JDK events. " + e.getMessage()); 106 } 107 } 108 109 public static void addInstrumentation() { 110 try { 111 List<Class<?>> list = new ArrayList<>(); 112 for (int i = 0; i < instrumentationClasses.length; i++) { 113 JIInstrumentationTarget tgt = instrumentationClasses[i].getAnnotation(JIInstrumentationTarget.class); 114 Class<?> clazz = Class.forName(tgt.value()); 115 targetClasses[i] = clazz; 116 list.add(clazz); 117 } |