PLIP driver in 2.2.xx kernels

From: lnxkrnl@mail.ludost.net
Date: Sat Oct 28 2000 - 12:04:12 EDT

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      I have a question - Why does the PLIP driver does consume so much CPU ?
    I tried it today, and when i did ping -s 16000 dst_ip, the kernel consumed
    about 50% of the CPU time ( /proc/cpuinfo and /proc/interrupts follow).
    Any ideas ?

    shtajga:~# cat /proc/cpuinfo
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 7
    model name : Pentium III (Katmai)
    stepping : 3
    cpu MHz : 548.545
    cache size : 512 KB
    fdiv_bug : no
    hlt_bug : no
    sep_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 3
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov
    pat pse36 psn mmx fxsr xmm
    bogomips : 1094.45
    shtajga:~# cat /proc/interrupts
               CPU0
      0: 32765032 XT-PIC timer
      1: 227971 XT-PIC keyboard
      2: 0 XT-PIC cascade
      3: 42658190 XT-PIC serial
      4: 518726307 XT-PIC serial
      7: 45966 XT-PIC parport0
      8: 1 XT-PIC rtc
      9: 15292 XT-PIC eth0
     10: 21984776 XT-PIC eth1
     11: 1534661 XT-PIC sm200
     12: 498413 XT-PIC PS/2 Mouse
     13: 1 XT-PIC fpu
     14: 18221483 XT-PIC ide0
     15: 8 XT-PIC ide1
    NMI: 0

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