Determine process which consumed CPU cores

[raj sourabh]

Hi, you can analyze it using top, mstat or sysstat also. However if you
want to monitor and analyze the data for certain processes than you need a
monitoring system like snmp based tools (nagios)..

On Thu, Sep 19, 2019 at 9:33 PM Kaushal Shriyan <kaushalshriyan at gmail.com>
wrote:

> Hi,
>
> Is there a way to find out which process consumed CPU cores as per the
> below sar output? OS is Red Hat Enterprise Linux Server release 7.7 (Maipo)
> with 64-bit arch.
>
> 04:40:01 PM     CPU     %user     %nice   %system   %iowait    %steal
> %idle
> 04:50:01 PM     all      4.25      0.00      0.69      0.00      0.03
> 95.03
> 05:00:01 PM     all      4.41      0.00      0.70      0.00      0.03
> 94.85
>
>
> *05:10:02 PM     all     40.92      0.01      1.23      0.01      0.06
> 57.7705:20:01 PM     all     90.54      0.00      0.90      0.00      0.02
>      8.5305:30:01 PM     all     19.06      0.00      1.53      1.25
>  0.04     78.12*
> 05:40:01 PM     all      3.99      0.00      0.29      0.03      0.02
> 95.66
> 05:50:01 PM     all      2.97      0.00      0.25      0.00      0.02
> 96.75
> 06:00:01 PM     all      2.69      0.00      0.24      0.00      0.02
> 97.04
> 06:10:01 PM     all      2.61      0.01      0.26      0.00      0.02
> 97.09
>
> # lscpu
> Architecture:          x86_64
> CPU op-mode(s):        32-bit, 64-bit
> Byte Order:            Little Endian
> CPU(s):                8
> On-line CPU(s) list:   0-7
> Thread(s) per core:    2
> Core(s) per socket:    4
> Socket(s):             1
> NUMA node(s):          1
> Vendor ID:             GenuineIntel
> CPU family:            6
> Model:                 63
> Model name:            Intel(R) Xeon(R) CPU E5-2666 v3 @ 2.90GHz
> Stepping:              2
> CPU MHz:               2899.842
> BogoMIPS:              5800.13
> Hypervisor vendor:     Xen
> Virtualization type:   full
> L1d cache:             32K
> L1i cache:             32K
> L2 cache:              256K
> L3 cache:              25600K
> NUMA node0 CPU(s):     0-7
> Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx pdpe1gb rdtscp
> lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq ssse3 fma
> cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave
> avx f16c rdrand hypervisor lahf_lm abm invpcid_single fsgsbase bmi1 avx2
> smep bmi2 erms invpcid xsaveopt
> # nproc
> 8
> #
>
> Thanks in advance and i look forward to hearing from you.
>
> Best Regards,
>
> Kaushal
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-- 
Regards,
Raj