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fio raw block-level test - is it possible?

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  • fio raw block-level test - is it possible?

    So with other benchmark tools like vdbench - we can bench the entire block device without having to create a file system but it seems that with Phoronix you have to create a file system so that it can "cache" the fio binary as well as the run test in.

    Is there a way to run "fio" on the raw volume? Using the user-config.xml via the EnvironmentDirectory directory to point to the mount point requires that the block device has a file system created on it

  • #2
    Originally posted by ionictea View Post
    So with other benchmark tools like vdbench - we can bench the entire block device without having to create a file system but it seems that with Phoronix you have to create a file system so that it can "cache" the fio binary as well as the run test in.

    Is there a way to run "fio" on the raw volume? Using the user-config.xml via the EnvironmentDirectory directory to point to the mount point requires that the block device has a file system created on it
    There is nothing preventing you from adapting the test profile to run fio with a raw block device. It could rather easily be supported. If you haven't yet looked what a raw test profile looks like, here is fio: http://openbenchmarking.org/innhold/...6071e3ff314b6b you should find it locally within ~/.phoronix-test-suite/pts/fio

    If you end up adapting the test profile to support raw block devices, I am happy accepting patches upstream. Alternatively, if you would like the support to be added via commercial agreement or are in need of other custom engineering services, feel free to contact us: commercial at phoronix-test-suite.com. Thanks.
    Michael Larabel
    http://www.michaellarabel.com/

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    • #3
      I did take a look at the sample files and it looks like when running "phoronix-test-suite benchmark fio" it parses user-config.xml for the mount point location then copies the fio binary over to it. Is there a way to modify "phoronix-test-suite" where is doesn't copy files into the target mount point?

      [email protected]:/mnt# ls -l
      total 1048600
      -rw-r--r-- 1 root root 1073741824 Jun 13 13:57 fiofile
      drwxrwxr-x 4 root root 4096 Jun 13 13:05 installed-tests
      drwx------ 2 root root 16384 Jun 13 07:50 lost+found

      [email protected]:/mnt# df -h /dev/sdb
      Filesystem Size Used Avail Use% Mounted on
      /dev/sdb 4.8G 2.1G 2.5G 46% /mnt

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      • #4
        Originally posted by ionictea View Post
        I did take a look at the sample files and it looks like when running "phoronix-test-suite benchmark fio" it parses user-config.xml for the mount point location then copies the fio binary over to it. Is there a way to modify "phoronix-test-suite" where is doesn't copy files into the target mount point?

        [email protected]:/mnt# ls -l
        total 1048600
        -rw-r--r-- 1 root root 1073741824 Jun 13 13:57 fiofile
        drwxrwxr-x 4 root root 4096 Jun 13 13:05 installed-tests
        drwx------ 2 root root 16384 Jun 13 07:50 lost+found

        [email protected]:/mnt# df -h /dev/sdb
        Filesystem Size Used Avail Use% Mounted on
        /dev/sdb 4.8G 2.1G 2.5G 46% /mnt
        Take a look at the hdparm test profile or another for seeing how to handle situation of using like raw block device or basically testing something else besides the test install directory.
        Michael Larabel
        http://www.michaellarabel.com/

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        • #5
          The version of fio used with Phoronix Test Suite v6.4 is at 2.1.13 and I'd like to update it to 2.2.13 to use newer features as well as leverages fixes. Is this something a end user can do and upload it upstream?

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          • #6
            If a user wants to leverage a newer version of fio 2.2.13 how does one go about of getting it updated upstream?

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            • #7
              Originally posted by ionictea View Post
              If a user wants to leverage a newer version of fio 2.2.13 how does one go about of getting it updated upstream?
              If you are able to modify the test profile and get it working with the newer 2.2.13 version, feel free to post a patch in this thread or a new thread and I can commit it. Thanks.
              Michael Larabel
              http://www.michaellarabel.com/

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              • #8
                Thanks!

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