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NetXMS Forum

  1. Home
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  3. Linux, CPU metrics, count, (online/offline), ...

Linux, CPU metrics, count, (online/offline), ...

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  • S
    S
    sodalist
    wrote on last edited by
    #1

    Hello,

    Would it be possible to extend/add System.CPU.Count() metric provided by subagents/linux with parametrized one that would enable count of online/offline CPUs in the system.

    Example system with 24 cores with 2 cores online:

    ...:# lscpu --online --extended
    CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE    MAXMHZ    MINMHZ       MHZ
     12    0      0    0 0:0:0:0          yes 3200.0000 1200.0000 1197.3630
     13    0      0    1 1:1:1:0          yes 3200.0000 1200.0000 1197.3240
    
    ...:# lscpu --offline --extended
    CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE    MAXMHZ    MINMHZ       MHZ
      0    0      0    0 0:0:0:0           no 3200.0000 1200.0000 1197.3800
      1    0      0    1 1:1:1:0           no 3200.0000 1200.0000 1197.4100
      2    0      0    2 2:2:2:0           no 3200.0000 1200.0000 1197.3630
      3    0      0    3 3:3:3:0           no 3200.0000 1200.0000 1200.0000
      4    0      0    4 4:4:4:0           no 3200.0000 1200.0000 1197.8280
      5    0      0    5 5:5:5:0           no 3200.0000 1200.0000 1197.4139
      6    1      1    6 8:8:8:1           no 3200.0000 1200.0000 1197.3640
      7    1      1    7 9:9:9:1           no 3200.0000 1200.0000 1197.5330
      8    1      1    8 10:10:10:1        no 3200.0000 1200.0000 1197.4250
      9    1      1    9 11:11:11:1        no 3200.0000 1200.0000 1198.4170
     10    1      1   10 12:12:12:1        no 3200.0000 1200.0000 1197.3580
     11    1      1   11 13:13:13:1        no 3200.0000 1200.0000 1197.4180
     14    0      0    2 2:2:2:0           no 3200.0000 1200.0000 1197.5649
     15    0      0    3 3:3:3:0           no 3200.0000 1200.0000 1197.3621
     16    0      0    4 4:4:4:0           no 3200.0000 1200.0000 1200.0000
     17    0      0    5 5:5:5:0           no 3200.0000 1200.0000 1197.4301
     18    1      1    6 8:8:8:1           no 3200.0000 1200.0000 1200.0000
     19    1      1    7 9:9:9:1           no 3200.0000 1200.0000 1197.5850
     20    1      1    8 10:10:10:1        no 3200.0000 1200.0000 1197.5100
     21    1      1    9 11:11:11:1        no 3200.0000 1200.0000 1197.5310
     22    1      1   10 12:12:12:1        no 3200.0000 1200.0000 1197.5060
     23    1      1   11 13:13:13:1        no 3200.0000 1200.0000 1197.3719
    

    Metric is provided via sysfs:

    # cat /sys/devices/system/cpu/present
    0-23

    # cat /sys/devices/system/cpu/online
    12-13

    Etc:

    • on this exact system System.CPU.Count will return: 14 for number of CPU's.

    thank you,

    Br, Ales

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