Java Code Examples for sun.misc.Perf#attach()
The following examples show how to use
sun.misc.Perf#attach() .
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Example 1
Source File: ConnectorAddressLink.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 2
Source File: ConnectorAddressLink.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 3
Source File: ConnectorAddressLink.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 4
Source File: ConnectorAddressLink.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 5
Source File: ConnectorAddressLink.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 6
Source File: ConnectorAddressLink.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 7
Source File: ConnectorAddressLink.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 8
Source File: ConnectorAddressLink.java From hottub with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 9
Source File: ConnectorAddressLink.java From hottub with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 10
Source File: ConnectorAddressLink.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 11
Source File: ConnectorAddressLink.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 12
Source File: ConnectorAddressLink.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 13
Source File: ConnectorAddressLink.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 14
Source File: ConnectorAddressLink.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 15
Source File: ConnectorAddressLink.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 16
Source File: ConnectorAddressLink.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 17
Source File: ConnectorAddressLink.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 18
Source File: ConnectorAddressLink.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }
Example 19
Source File: ConnectorAddressLink.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
/** * Imports the connector address from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return the value of the connector address, or <code>null</code> if the * target VM has not exported a connector address. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static String importFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER); Iterator<Counter> i = counters.iterator(); if (i.hasNext()) { Counter c = i.next(); return (String) c.getValue(); } else { return null; } }
Example 20
Source File: ConnectorAddressLink.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
/** * Imports the remote connector address and associated * configuration properties from the instrument buffer * of the specified Java virtual machine. * * @param vmid an identifier that uniquely identifies a local Java virtual * machine, or <code>0</code> to indicate the current Java virtual machine. * * @return a map containing the remote connector's properties, or an empty * map if the target VM has not exported the remote connector's properties. * * @throws IOException An I/O error occurred while trying to acquire the * instrumentation buffer. */ public static Map<String, String> importRemoteFrom(int vmid) throws IOException { Perf perf = Perf.getPerf(); ByteBuffer bb; try { bb = perf.attach(vmid, "r"); } catch (IllegalArgumentException iae) { throw new IOException(iae.getMessage()); } List<Counter> counters = new PerfInstrumentation(bb).getAllCounters(); Map<String, String> properties = new HashMap<>(); for (Counter c : counters) { String name = c.getName(); if (name.startsWith(REMOTE_CONNECTOR_COUNTER_PREFIX) && !name.equals(CONNECTOR_ADDRESS_COUNTER)) { properties.put(name, c.getValue().toString()); } } return properties; }