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Showing content from http://java-native-access.github.io/jna/5.17.0/javadoc/com/sun/jna/platform/unix/aix/Perfstat.html below:

Perfstat (JNA API)

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Library

The perfstat API uses the perfstat kernel extension to extract various AIX® performance metrics. System component information is also retrieved from the Object Data Manager (ODM) and returned with the performance metrics. The perfstat API is thread–safe, and does not require root authority.

• Verschachtelte Klassen - Übersicht

  Verschachtelte Klassen

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• Feldübersicht

  Felder

• Methodenübersicht

  int

  Retrieves individual processor usage metrics

  int

  Retrieves total processor usage metrics

  int

  Retrieves disk statistics

  int

  Retrieves total memory-related metrics

  int

  Retrieves network interfaces

  int

  Retrieves total memory-related metrics

  int

  Retrieves process-related metrics

  int

• Felddetails
  • INSTANCE
  • IDENTIFIER_LENGTH

    static final int IDENTIFIER_LENGTH

    Siehe auch:

    • Konstantenfeldwerte

• Methodendetails
  • perfstat_cpu_total

    Retrieves total processor usage metrics

    Parameter:

    name - Reserved for future use, must be NULL

    cpu - Populated with structure

    sizeof_struct - Should be set to sizeof(perfstat_cpu_total_t)

    desired_number - Reserved for future use, must be set to 0 or 1

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned. This is always 1.

  • perfstat_cpu

    Retrieves individual processor usage metrics

    Parameter:

    name - Structure containing empty string when collecting all cpu stats, or null to count CPUs

    cpu - Populated with structures, or null to count CPUs

    sizeof_struct - Should be set to sizeof(perfstat_cpu_t)

    desired_number - Set to 0 to count CPUs, set to number of cpus to return otherwise

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned.

  • perfstat_memory_total

    Retrieves total memory-related metrics

    Parameter:

    name - Reserved for future use, must be NULL

    mem - Populated with structure

    sizeof_struct - Should be set to sizeof(perfstat_memory_total_t)

    desired_number - Reserved for future use, must be set to 0 or 1

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned. This is always 1.

  • perfstat_process

    Retrieves process-related metrics

    Parameter:

    name - Structure containing empty string when collecting all process stats, or null to count processes

    procs - Populated with structure

    sizeof_struct - Should be set to sizeof(perfstat_process_t)

    desired_number - Set to 0 to count processes, set to number of processes to return otherwise

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned.

  • perfstat_disk

    Retrieves disk statistics

    Parameter:

    name - Structure containing empty string when collecting all disk stats, or null to count block disks

    disks - Populated with structures, or null to count disks

    sizeof_struct - Should be set to sizeof(perfstat_disk_t)

    desired_number - Set to 0 to count disks, set to number of disks to return otherwise

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned.

  • perfstat_partition_config

    Retrieves total memory-related metrics

    Parameter:

    name - Reserved for future use, must be NULL

    config - Populated with structure

    sizeof_struct - Should be set to sizeof(perfstat_partition_config_t)

    desired_number - Reserved for future use, must be set to 0 or 1

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned. This is always 1.

  • perfstat_netinterface

    Retrieves network interfaces

    Parameter:

    name - Structure containing empty string when collecting all interface stats, or null to count interfaces

    netints - Populated with structures, or null to count interfaces

    sizeof_struct - Should be set to sizeof(perfstat_netinterface_t)

    desired_number - Set to 0 to count network interfaces, set to number of interfaces to return otherwise

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned.

  • perfstat_protocol

    Retrieves protocol data

    Parameter:

    name - Structure containing empty string when collecting all protocol stats, or null to count stats

    protocols - Populated with structures, or null to count protocols

    sizeof_struct - Should be set to sizeof(perfstat_protocol_t)

    desired_number - Set to 0 to count protocols, set to number of protocols to return otherwise

    Gibt zurück:

    The return value is -1 in case of errors. Otherwise, the number of structures copied is returned.

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