Why different CPU count from nproc and nproc --all in OpenVZ container?

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I'm trying nproc and nproc --all in an OpenVZ container to count the number of CPU threads assigned to the vps by upstream provider. While nproc resulting 1, nproc --all resulting 24 CPU threads. May anyone please help me in explaining this?



The upstream provider is supposed to assign only one CPU and cat /proc/cpuinfo is also saying that. Then from where and how this 24 is coming?



Please find a screenshot here https://prnt.sc/hfzeuw. I'm using CentOS 7 inside the vps.




cpu openvz




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    up vote
    3
    down vote

    favorite












    I'm trying nproc and nproc --all in an OpenVZ container to count the number of CPU threads assigned to the vps by upstream provider. While nproc resulting 1, nproc --all resulting 24 CPU threads. May anyone please help me in explaining this?



    The upstream provider is supposed to assign only one CPU and cat /proc/cpuinfo is also saying that. Then from where and how this 24 is coming?



    Please find a screenshot here https://prnt.sc/hfzeuw. I'm using CentOS 7 inside the vps.




    cpu openvz




    share|improve this question
























      up vote
      3
      down vote

      favorite









      up vote
      3
      down vote

      favorite











      I'm trying nproc and nproc --all in an OpenVZ container to count the number of CPU threads assigned to the vps by upstream provider. While nproc resulting 1, nproc --all resulting 24 CPU threads. May anyone please help me in explaining this?



      The upstream provider is supposed to assign only one CPU and cat /proc/cpuinfo is also saying that. Then from where and how this 24 is coming?



      Please find a screenshot here https://prnt.sc/hfzeuw. I'm using CentOS 7 inside the vps.




      cpu openvz




      share|improve this question














      I'm trying nproc and nproc --all in an OpenVZ container to count the number of CPU threads assigned to the vps by upstream provider. While nproc resulting 1, nproc --all resulting 24 CPU threads. May anyone please help me in explaining this?



      The upstream provider is supposed to assign only one CPU and cat /proc/cpuinfo is also saying that. Then from where and how this 24 is coming?



      Please find a screenshot here https://prnt.sc/hfzeuw. I'm using CentOS 7 inside the vps.





      cpu openvz





      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 27 '17 at 18:17

























      asked Nov 27 '17 at 18:02









      Abhik Bose

      1,5341217




      1,5341217




















          1 Answer
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          They are using a 12 core proc with hyperthreading, most likely. They have assigned one of these threads to your container.



          From the man page:



           nproc - print the number of processing units available

           nproc [OPTION]...

           --all print the number of installed processors`


          Hope this helps!



          EDIT:



          What happens when you type the following:



          [user@host]$ getconf _NPROCESSORS_ONLN



          ?






          share|improve this answer
















          • 1




            getconf _NPROCESSORS_ONLN returning to 1
            – Abhik Bose
            Nov 27 '17 at 19:38










          • As anticipated it is showing the one (1) you have avail. Are you familiar with containers? If you'd like to learn more, I suggest reading: en.wikipedia.org/wiki/OpenVZ
            – kilrainebc
            Nov 27 '17 at 19:53











          • More than happy! :) Good luck!
            – kilrainebc
            Nov 27 '17 at 20:27










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          1 Answer
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          active

          oldest

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          2
          down vote



          accepted










          They are using a 12 core proc with hyperthreading, most likely. They have assigned one of these threads to your container.



          From the man page:



           nproc - print the number of processing units available

           nproc [OPTION]...

           --all print the number of installed processors`


          Hope this helps!



          EDIT:



          What happens when you type the following:



          [user@host]$ getconf _NPROCESSORS_ONLN



          ?






          share|improve this answer
















          • 1




            getconf _NPROCESSORS_ONLN returning to 1
            – Abhik Bose
            Nov 27 '17 at 19:38










          • As anticipated it is showing the one (1) you have avail. Are you familiar with containers? If you'd like to learn more, I suggest reading: en.wikipedia.org/wiki/OpenVZ
            – kilrainebc
            Nov 27 '17 at 19:53











          • More than happy! :) Good luck!
            – kilrainebc
            Nov 27 '17 at 20:27














          up vote
          2
          down vote



          accepted










          They are using a 12 core proc with hyperthreading, most likely. They have assigned one of these threads to your container.



          From the man page:



           nproc - print the number of processing units available

           nproc [OPTION]...

           --all print the number of installed processors`


          Hope this helps!



          EDIT:



          What happens when you type the following:



          [user@host]$ getconf _NPROCESSORS_ONLN



          ?






          share|improve this answer
















          • 1




            getconf _NPROCESSORS_ONLN returning to 1
            – Abhik Bose
            Nov 27 '17 at 19:38










          • As anticipated it is showing the one (1) you have avail. Are you familiar with containers? If you'd like to learn more, I suggest reading: en.wikipedia.org/wiki/OpenVZ
            – kilrainebc
            Nov 27 '17 at 19:53











          • More than happy! :) Good luck!
            – kilrainebc
            Nov 27 '17 at 20:27












          up vote
          2
          down vote



          accepted







          up vote
          2
          down vote



          accepted






          They are using a 12 core proc with hyperthreading, most likely. They have assigned one of these threads to your container.



          From the man page:



           nproc - print the number of processing units available

           nproc [OPTION]...

           --all print the number of installed processors`


          Hope this helps!



          EDIT:



          What happens when you type the following:



          [user@host]$ getconf _NPROCESSORS_ONLN



          ?






          share|improve this answer












          They are using a 12 core proc with hyperthreading, most likely. They have assigned one of these threads to your container.



          From the man page:



           nproc - print the number of processing units available

           nproc [OPTION]...

           --all print the number of installed processors`


          Hope this helps!



          EDIT:



          What happens when you type the following:



          [user@host]$ getconf _NPROCESSORS_ONLN



          ?







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 27 '17 at 19:26









          kilrainebc

          363




          363







          • 1




            getconf _NPROCESSORS_ONLN returning to 1
            – Abhik Bose
            Nov 27 '17 at 19:38










          • As anticipated it is showing the one (1) you have avail. Are you familiar with containers? If you'd like to learn more, I suggest reading: en.wikipedia.org/wiki/OpenVZ
            – kilrainebc
            Nov 27 '17 at 19:53











          • More than happy! :) Good luck!
            – kilrainebc
            Nov 27 '17 at 20:27












          • 1




            getconf _NPROCESSORS_ONLN returning to 1
            – Abhik Bose
            Nov 27 '17 at 19:38










          • As anticipated it is showing the one (1) you have avail. Are you familiar with containers? If you'd like to learn more, I suggest reading: en.wikipedia.org/wiki/OpenVZ
            – kilrainebc
            Nov 27 '17 at 19:53











          • More than happy! :) Good luck!
            – kilrainebc
            Nov 27 '17 at 20:27







          1




          1




          getconf _NPROCESSORS_ONLN returning to 1
          – Abhik Bose
          Nov 27 '17 at 19:38




          getconf _NPROCESSORS_ONLN returning to 1
          – Abhik Bose
          Nov 27 '17 at 19:38












          As anticipated it is showing the one (1) you have avail. Are you familiar with containers? If you'd like to learn more, I suggest reading: en.wikipedia.org/wiki/OpenVZ
          – kilrainebc
          Nov 27 '17 at 19:53





          As anticipated it is showing the one (1) you have avail. Are you familiar with containers? If you'd like to learn more, I suggest reading: en.wikipedia.org/wiki/OpenVZ
          – kilrainebc
          Nov 27 '17 at 19:53













          More than happy! :) Good luck!
          – kilrainebc
          Nov 27 '17 at 20:27




          More than happy! :) Good luck!
          – kilrainebc
          Nov 27 '17 at 20:27

















           

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