| /******************************************************************************* |
| * Copyright (c) 2003, 2005 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.test.internal.performance; |
| |
| import java.util.Map; |
| |
| /** |
| * The Mac OS X version of the performance monitor. (Uses default implementation for now). |
| */ |
| class PerformanceMonitorMac extends PerformanceMonitor { |
| |
| private static boolean fgHasElapsedTime = true; |
| private static long fgStartupTime; |
| |
| /** |
| * name of the library that implements the native methods. |
| */ |
| private static final String NATIVE_LIBRARY_NAME = "perf_3_1_0"; //$NON-NLS-1$ |
| |
| /** |
| * Is the native library loaded? 0-don't know, 1-no, 2-yes |
| */ |
| private static int fgIsLoaded = 0; |
| |
| /** |
| * Answer true if the native library for this class has been successfully loaded. If the load has not been attempted yet, try to |
| * load it. |
| * |
| * @return returns true if native library has been successfullz loaded |
| */ |
| public static boolean isLoaded() { |
| if (fgIsLoaded == 0) { |
| try { |
| System.loadLibrary(NATIVE_LIBRARY_NAME); |
| fgIsLoaded = 2; |
| } catch (Throwable e) { |
| // e.printStackTrace(); |
| // PerformanceTestPlugin.log(e); |
| fgIsLoaded = 1; |
| } |
| } |
| return fgIsLoaded == 2; |
| } |
| |
| /** |
| * Write out operating system counters for Mac OS X. |
| * |
| * @param scalars |
| * where to collect the data |
| */ |
| @Override |
| protected void collectOperatingSystemCounters(Map scalars) { |
| synchronized (this) { |
| if (isLoaded()) { |
| int[] counters = new int[18]; |
| if (getrusage(0, counters) == 0) { |
| |
| int user_time = counters[0] * 1000 + counters[1] / 1000; |
| int kernel_time = counters[2] * 1000 + counters[3] / 1000; |
| |
| addScalar(scalars, InternalDimensions.KERNEL_TIME, kernel_time); |
| addScalar(scalars, InternalDimensions.CPU_TIME, user_time + kernel_time); |
| } |
| } |
| |
| long currentTime = System.currentTimeMillis(); |
| |
| addScalar(scalars, InternalDimensions.SYSTEM_TIME, currentTime); |
| |
| if (fgHasElapsedTime) { |
| if (fgStartupTime == 0) { |
| String t = System.getProperty("eclipse.startTime"); //$NON-NLS-1$ |
| if (t != null) { |
| try { |
| fgStartupTime = Long.parseLong(t); |
| } catch (NumberFormatException e) { |
| fgHasElapsedTime = false; |
| } |
| } else |
| fgHasElapsedTime = false; |
| } |
| if (fgHasElapsedTime) |
| addScalar(scalars, InternalDimensions.ELAPSED_PROCESS, currentTime - fgStartupTime); |
| } |
| |
| super.collectOperatingSystemCounters(scalars); |
| } |
| } |
| |
| // struct rusage { |
| // 0,1 struct timeval ru_utime; /* user time used */ |
| // 2,3 struct timeval ru_stime; /* system time used */ |
| // 4 long ru_maxrss; /* integral max resident set size */ |
| // 5 long ru_ixrss; /* integral shared text memory size */ |
| // 6 long ru_idrss; /* integral unshared data size */ |
| // 7 long ru_isrss; /* integral unshared stack size */ |
| // 8 long ru_minflt; /* page reclaims */ |
| // 9 long ru_majflt; /* page faults */ |
| // 10 long ru_nswap; /* swaps */ |
| // 11 long ru_inblock; /* block input operations */ |
| // 12 long ru_oublock; /* block output operations */ |
| // 13 long ru_msgsnd; /* messages sent */ |
| // 14 long ru_msgrcv; /* messages received */ |
| // 15 long ru_nsignals; /* signals received */ |
| // 16 long ru_nvcsw; /* voluntary context switches */ |
| // 17 long ru_nivcsw; /* involuntary context switches */ |
| // }; |
| private static native int getrusage(int who, int[] counters); |
| } |