Java Code Examples for jdk.nashorn.internal.ir.debug.ObjectSizeCalculator#getClassHistogram()

The following examples show how to use jdk.nashorn.internal.ir.debug.ObjectSizeCalculator#getClassHistogram() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Compiler.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
private static void printMemoryUsage(final String phaseName, final FunctionNode functionNode) {
    LOG.info(phaseName + " finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list = osc.getClassHistogram();

    final StringBuilder sb = new StringBuilder();
    final long totalSize = osc.calculateObjectSize(functionNode);
    sb.append(phaseName).append(" Total size = ").append(totalSize / 1024 / 1024).append("MB");
    LOG.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(ClassHistogramElement o1, ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        LOG.info(line);
        if (e.getBytes() < totalSize / 200) {
            LOG.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 2
Source File: Compiler.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
private static void printMemoryUsage(final String phaseName, final FunctionNode functionNode) {
    LOG.info(phaseName + " finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list = osc.getClassHistogram();

    final StringBuilder sb = new StringBuilder();
    final long totalSize = osc.calculateObjectSize(functionNode);
    sb.append(phaseName).append(" Total size = ").append(totalSize / 1024 / 1024).append("MB");
    LOG.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(ClassHistogramElement o1, ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        LOG.info(line);
        if (e.getBytes() < totalSize / 200) {
            LOG.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 3
Source File: Compiler.java    From nashorn with GNU General Public License v2.0 5 votes vote down vote up 
private static void printMemoryUsage(final String phaseName, final FunctionNode functionNode) {
    LOG.info(phaseName + " finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list = osc.getClassHistogram();

    final StringBuilder sb = new StringBuilder();
    final long totalSize = osc.calculateObjectSize(functionNode);
    sb.append(phaseName).append(" Total size = ").append(totalSize / 1024 / 1024).append("MB");
    LOG.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(ClassHistogramElement o1, ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        LOG.info(line);
        if (e.getBytes() < totalSize / 200) {
            LOG.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 4
Source File: Compiler.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
private void printMemoryUsage(final FunctionNode functionNode, final String phaseName) {
    if (!log.isEnabled()) {
        return;
    }

    log.info(phaseName, "finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list      = osc.getClassHistogram();
    final StringBuilder               sb        = new StringBuilder();
    final long                        totalSize = osc.calculateObjectSize(functionNode);

    sb.append(phaseName).
    append(" Total size = ").
    append(totalSize / 1024 / 1024).
    append("MB");
    log.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(final ClassHistogramElement o1, final ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        log.info(line);
        if (e.getBytes() < totalSize / 200) {
            log.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 5
Source File: Compiler.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
private void printMemoryUsage(final FunctionNode functionNode, final String phaseName) {
    if (!log.isEnabled()) {
        return;
    }

    log.info(phaseName, "finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list      = osc.getClassHistogram();
    final StringBuilder               sb        = new StringBuilder();
    final long                        totalSize = osc.calculateObjectSize(functionNode);

    sb.append(phaseName).
        append(" Total size = ").
        append(totalSize / 1024 / 1024).
        append("MB");
    log.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(final ClassHistogramElement o1, final ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        log.info(line);
        if (e.getBytes() < totalSize / 200) {
            log.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 6
Source File: Compiler.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
private void printMemoryUsage(final FunctionNode functionNode, final String phaseName) {
    if (!log.isEnabled()) {
        return;
    }

    log.info(phaseName, "finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list      = osc.getClassHistogram();
    final StringBuilder               sb        = new StringBuilder();
    final long                        totalSize = osc.calculateObjectSize(functionNode);

    sb.append(phaseName).
    append(" Total size = ").
    append(totalSize / 1024 / 1024).
    append("MB");
    log.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(final ClassHistogramElement o1, final ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        log.info(line);
        if (e.getBytes() < totalSize / 200) {
            log.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 7
Source File: Compiler.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
private void printMemoryUsage(final FunctionNode functionNode, final String phaseName) {
    if (!log.isEnabled()) {
        return;
    }

    log.info(phaseName, "finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list      = osc.getClassHistogram();
    final StringBuilder               sb        = new StringBuilder();
    final long                        totalSize = osc.calculateObjectSize(functionNode);

    sb.append(phaseName).
    append(" Total size = ").
    append(totalSize / 1024 / 1024).
    append("MB");
    log.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(final ClassHistogramElement o1, final ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        log.info(line);
        if (e.getBytes() < totalSize / 200) {
            log.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 8
Source File: Compiler.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
private void printMemoryUsage(final FunctionNode functionNode, final String phaseName) {
    if (!log.isEnabled()) {
        return;
    }

    log.info(phaseName, "finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list      = osc.getClassHistogram();
    final StringBuilder               sb        = new StringBuilder();
    final long                        totalSize = osc.calculateObjectSize(functionNode);

    sb.append(phaseName).
    append(" Total size = ").
    append(totalSize / 1024 / 1024).
    append("MB");
    log.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(final ClassHistogramElement o1, final ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        log.info(line);
        if (e.getBytes() < totalSize / 200) {
            log.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 9
Source File: Compiler.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
private void printMemoryUsage(final FunctionNode functionNode, final String phaseName) {
    if (!log.isEnabled()) {
        return;
    }

    log.info(phaseName, "finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list      = osc.getClassHistogram();
    final StringBuilder               sb        = new StringBuilder();
    final long                        totalSize = osc.calculateObjectSize(functionNode);

    sb.append(phaseName).
    append(" Total size = ").
    append(totalSize / 1024 / 1024).
    append("MB");
    log.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(final ClassHistogramElement o1, final ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        log.info(line);
        if (e.getBytes() < totalSize / 200) {
            log.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}
Example 10
Source File: Compiler.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
private void printMemoryUsage(final FunctionNode functionNode, final String phaseName) {
    if (!log.isEnabled()) {
        return;
    }

    log.info(phaseName, "finished. Doing IR size calculation...");

    final ObjectSizeCalculator osc = new ObjectSizeCalculator(ObjectSizeCalculator.getEffectiveMemoryLayoutSpecification());
    osc.calculateObjectSize(functionNode);

    final List<ClassHistogramElement> list      = osc.getClassHistogram();
    final StringBuilder               sb        = new StringBuilder();
    final long                        totalSize = osc.calculateObjectSize(functionNode);

    sb.append(phaseName).
    append(" Total size = ").
    append(totalSize / 1024 / 1024).
    append("MB");
    log.info(sb);

    Collections.sort(list, new Comparator<ClassHistogramElement>() {
        @Override
        public int compare(final ClassHistogramElement o1, final ClassHistogramElement o2) {
            final long diff = o1.getBytes() - o2.getBytes();
            if (diff < 0) {
                return 1;
            } else if (diff > 0) {
                return -1;
            } else {
                return 0;
            }
        }
    });
    for (final ClassHistogramElement e : list) {
        final String line = String.format("    %-48s %10d bytes (%8d instances)", e.getClazz(), e.getBytes(), e.getInstances());
        log.info(line);
        if (e.getBytes() < totalSize / 200) {
            log.info("    ...");
            break; // never mind, so little memory anyway
        }
    }
}