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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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package com.sun.tools.visualvm.profiler;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.application.jvm.Jvm;
import com.sun.tools.visualvm.application.jvm.JvmFactory;
import java.io.File;
import java.io.IOException;
import java.util.Properties;
import org.netbeans.lib.profiler.ProfilerEngineSettings;
import org.netbeans.lib.profiler.TargetAppRunner;
import org.netbeans.lib.profiler.global.CalibrationDataFileIO;
import org.netbeans.lib.profiler.global.InstrumentationFilter;
import org.netbeans.lib.profiler.global.Platform;
import org.netbeans.lib.profiler.global.ProfilingSessionStatus;
import org.netbeans.modules.profiler.NetBeansProfiler;
import org.netbeans.modules.profiler.api.ProfilerIDESettings;
/**
*
* @author Jiri Sedlacek
*/
final class CalibrationSupport {
private CalibrationSupport() {};
// --- Internal API --------------------------------------------------------
static boolean checkCalibration(Application app, Runnable before, Runnable after) {
Jvm jvm = JvmFactory.getJVMFor(app);
Properties properties = jvm.getSystemProperties();
if (properties == null) return false;
String java = Platform.getJDKVersionString(properties.getProperty("java.version")); // NOI18N
int arch = Platform.getSystemArchitecture(properties.getProperty("sun.arch.data.model")); // NOI18N
if (checkCalibration(java, arch)) return true;
String executable = JavaInfo.getJDKExecutable(properties.getProperty("java.home")); // NOI18N
return calibrate(executable, java, arch, before, after);
}
static boolean checkCalibration(String java, int arch, Runnable before, Runnable after) {
if (checkCalibration(java, arch)) return true;
return calibrate(java, arch, before, after);
}
static boolean calibrate(String java, int arch, Runnable before, Runnable after) {
return calibrate(null, java, arch, before, after);
}
// TODO: will be public in NetBeans 8.0: CalibrationDataFileIO.getCalibrationDataFileName(version)
static String getCalibrationDataFileName(String targetJDKVerString) {
String fileName = "machinedata" + "." + targetJDKVerString; // NOI18N
try { return Platform.getProfilerUserDir() + File.separator + fileName; }
catch (IOException ex) { return null; }
}
// --- Implementation ------------------------------------------------------
private static boolean checkCalibration(String jdkString, int arch) {
ProfilingSessionStatus status = NetBeansProfiler.getDefaultNB().
getTargetAppRunner().getProfilingSessionStatus();
status.targetJDKVersionString = jdkString;
return CalibrationDataFileIO.readSavedCalibrationData(status) == 0;
}
private static boolean calibrate(String executable, String java, int arch, Runnable before, Runnable after) {
boolean noarch = arch == -1;
File executableF = executable == null ? null : new File(executable);
if (!isFile(executableF)) {
String javaName = ProfilerSupport.getJavaName(java);
String archName = noarch ? null : ProfilerSupport.getArchName(arch);
executable = JavaPlatformSelector.selectJavaBinary(javaName, archName,
java, noarch ? null : Integer.toString(arch));
executableF = executable == null ? null : new File(executable);
if (!isFile(executableF)) return false;
}
if (noarch) {
String[] archS = JavaInfo.getSystemProperties(executableF, "sun.arch.data.model"); // NOI18N
try { arch = Integer.parseInt(archS[0]); } catch (Exception e) {} // AIOOBE, NFE
if (arch == -1) return false;
}
// Get ProfilerEngineSettings instance
TargetAppRunner runner = NetBeansProfiler.getDefaultNB().getTargetAppRunner();
if (runner == null) return false;
ProfilerEngineSettings pes = runner.getProfilerEngineSettings();
// Save current state
int savedPort = pes.getPortNo();
InstrumentationFilter savedInstrFilter = pes.getInstrumentationFilter();
String savedJVMExeFile = pes.getTargetJVMExeFile();
String savedJDKVersionString = pes.getTargetJDKVersionString();
int savedArch = pes.getSystemArchitecture();
String savedCP = pes.getMainClassPath();
// Setup ProfilerEngineSettings
pes.setTargetJVMExeFile(executable);
pes.setTargetJDKVersionString(java);
pes.setSystemArchitecture(arch);
pes.setPortNo(ProfilerIDESettings.getInstance().getCalibrationPortNo());
pes.setInstrumentationFilter(new InstrumentationFilter());
pes.setMainClassPath(""); // NOI18N
// Perform calibration
if (before != null) before.run();
boolean result = calibrateJVM();
if (after != null) after.run();
// Restore original ProfilerEngineSettings
pes.setPortNo(savedPort);
pes.setInstrumentationFilter(savedInstrFilter);
pes.setTargetJDKVersionString(savedJDKVersionString);
pes.setSystemArchitecture(savedArch);
pes.setTargetJVMExeFile(savedJVMExeFile);
pes.setMainClassPath(savedCP);
return result;
}
private static boolean calibrateJVM() {
try {
return NetBeansProfiler.getDefaultNB().runConfiguredCalibration();
} catch (Exception e) {
System.err.println(">>> Profiler calibration failed: " + e.getMessage()); // NOI18N
e.printStackTrace(System.err);
}
return false;
}
private static boolean isFile(File file) {
return file != null && file.isFile();
}
}