Class PerfstatCpu


  • @ThreadSafe
    public final class PerfstatCpu
    extends java.lang.Object
    Utility to query performance stats for cpu
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static com.sun.jna.platform.unix.aix.Perfstat PERF  
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private PerfstatCpu()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static com.sun.jna.platform.unix.aix.Perfstat.perfstat_cpu_t[] queryCpu()
      Queries perfstat_cpu for per-CPU usage statistics
      static long queryCpuAffinityMask()
      Returns affinity mask from the number of CPU in the OS.
      static com.sun.jna.platform.unix.aix.Perfstat.perfstat_cpu_total_t queryCpuTotal()
      Queries perfstat_cpu_total for total CPU usage statistics
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • PERF

        private static final com.sun.jna.platform.unix.aix.Perfstat PERF
    • Constructor Detail

      • PerfstatCpu

        private PerfstatCpu()
    • Method Detail

      • queryCpuTotal

        public static com.sun.jna.platform.unix.aix.Perfstat.perfstat_cpu_total_t queryCpuTotal()
        Queries perfstat_cpu_total for total CPU usage statistics
        Returns:
        usage statistics
      • queryCpu

        public static com.sun.jna.platform.unix.aix.Perfstat.perfstat_cpu_t[] queryCpu()
        Queries perfstat_cpu for per-CPU usage statistics
        Returns:
        an array of usage statistics
      • queryCpuAffinityMask

        public static long queryCpuAffinityMask()
        Returns affinity mask from the number of CPU in the OS.
        Returns:
        affinity mask