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I would like to know if hyperthread can be enabled on my operating system or not? I am using HP-UX Itanium, below is truncated output of machinfo

 Intel(R)  Itanium(R)  Processor 9560 (2.53 GHz, 32 MB)
   8 cores, 16 logical processors per socket
   6.38 GT/s QPI, CPU version D0
          Active processor count:
          1 socket
          8 cores (8 per socket)
          8 logical processors (8 per socket)
          LCPU attribute is disabled

OS Info is as below:

Release:   HP-UX B.11.31
Rui F Ribeiro
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Learning_DBAdmin
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    Don't know if this applies to your Poulson CPU, but have a look at [Enable HyperThreading in HP-UX V3](https://community.hpe.com/t5/System-Administration/Enable-HyperThreading-in-HP-UX-V3/td-p/5284126#.XHKFV-hKhPY) and [HT ON/OFF - HP-UX Virtual Partitions Admin's Guide](https://docstore.mik.ua/manuals/hp-ux/en/T1335-90098/ch06s25.html) – Freddy Feb 24 '19 at 12:03

1 Answers1

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Been a loooong time, but I think you want

    setboot -m on

according to this hp support doc.

number9
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  • Thank you for your answer however my question is whether hyperthreading can be enabled on this server or not. Until now, its running on single thread, I want to request for enabling that however I am not sure whether it will be supported on HP-UX in my version or not. – Learning_DBAdmin Feb 24 '19 at 12:23
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    Yes, it should be able if your "HP-UX B.11.31" is "HP-UX 11i v3 (11.31)". See both links in my comment. – Freddy Feb 24 '19 at 12:27
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    I think this will work for you. HPs manual site (the link in the doc I linked to) seems to be down, here is a mirror: https://docstore.mik.ua/manuals/hp-ux/en/5991-1247B/ch07s08.html I think the instructions are server agnostic. Your cpu is itanium, albe it a different arch. I think they are the same (e.g. I used to maintain one years back). – number9 Feb 24 '19 at 12:27
  • Thank you very much. I am not into Operating system side; so, not very much aware of them. – Learning_DBAdmin Feb 24 '19 at 12:39