bundles/org.simantics.nativemem/src/org/simantics/nativemem/internal/Resource64.java

   1 /*******************************************************************************
   2  * Copyright (c) 2016, 2017 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.nativemem.internal;
  13
  14 import java.util.List;
  15
  16 import com.sun.jna.Native;
  17 import com.sun.jna.Structure;
  18
  19 /**
  20  * This should work for Linux, MacOSX and BSD.
  21
  22  * @author Tuukka Lehtonen
  23  * @since 1.29.0
  24  */
  25 public interface Resource64 extends Resource {
  26     Resource64 INSTANCE = Native.loadLibrary("c", Resource64.class);
  27
  28     public static class Timeval extends Structure {
  29
  30         public static final List<String> FIELDS = createFieldsOrder("tv_sec", "tv_usec");
  31
  32         long v_sec;     /* seconds */
  33         long tv_usec;  /* microseconds */
  34
  35         public List<String> getFieldOrder() {
  36             return FIELDS;
  37         }
  38     };
  39
  40     public static class Rusage extends Structure {
  41
  42         public static final List<String> FIELDS = createFieldsOrder("ru_utime", "ru_stime", "ru_maxrss", "ru_ixrss",
  43                 "ru_idrss", "ru_isrss", "ru_minflt", "ru_maxflt", "ru_nswap", "ru_inblock", "ru_oublock", "ru_msgsnd",
  44                 "ru_msgrcv", "ru_nsignals", "ru_nvcsw", "ru_nivcsw");
  45
  46         Timeval ru_utime;        /* user CPU time used */
  47         Timeval ru_stime;        /* system CPU time used */
  48         long   ru_maxrss;        /* maximum resident set size */
  49         long   ru_ixrss;         /* integral shared memory size */
  50         long   ru_idrss;         /* integral unshared data size */
  51         long   ru_isrss;         /* integral unshared stack size */
  52         long   ru_minflt;        /* page reclaims (soft page faults) */
  53         long   ru_majflt;        /* page faults (hard page faults) */
  54         long   ru_nswap;         /* swaps */
  55         long   ru_inblock;       /* block input operations */
  56         long   ru_oublock;       /* block output operations */
  57         long   ru_msgsnd;        /* IPC messages sent */
  58         long   ru_msgrcv;        /* IPC messages received */
  59         long   ru_nsignals;      /* signals received */
  60         long   ru_nvcsw;         /* voluntary context switches */
  61         long   ru_nivcsw;        /* involuntary context switches */
  62
  63         @Override
  64         protected List<String> getFieldOrder() {
  65             return FIELDS;
  66         }
  67
  68         public void writeTo(CMemoryInfo to) {
  69             to.peakRSS = ru_maxrss;
  70         }
  71
  72     }
  73
  74     int getrusage(int who, Rusage rusage);
  75 }