[Buildroot] [Bug 14641] New: oprofile can not find the events files

[Buildroot] [Bug 14641] New: oprofile can not find the events files

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14641

            Bug ID: 14641
           Summary: oprofile can not find the events files
           Product: buildroot
           Version: 2020.02.12
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned@buildroot.uclibc.org
          Reporter: sergey.velykokhatko@gmail.com
                CC: buildroot@uclibc.org
  Target Milestone: ---

Hi all,

We are using Intel ApolloLake AtomE3930 SOC with goldmont microarchitecture.

Buildroot configure file contains the BR2_x86_64=y. When we starting the operf,
we get following error:

oprofile: could not open unit mask description file
/usr/share/oprofile//i386/goldmont/unit_masks
Unable to find info for event cpu_clk_unhalted

It looks for me a problem in OPROFILE_INSTALL_TARGET_CMDS. It copies the x86-64
for our SOC, but oprofile awaits them at i386 Architecture, s.
https://docs.fedoraproject.org/en-US/fedora/f34/system-administrators-guide/monitoring-and-automation/OProfile/#s2-oprofile-events

Best Regards,
Sergey

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[Buildroot] [Bug 14641] oprofile can not find the events files

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14641

--- Comment #1 from Fabrice Fontaine <fontaine.fabrice@gmail.com> ---
Hi,

Thanks for your bug report. Can you confirm that the following patch fixes your
issue:
https://patchwork.ozlabs.org/project/buildroot/patch/20220307223355.945328-1-fontaine.fabrice@gmail.com/
?

Best Regards,

Fabrice

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[Buildroot] [Bug 14641] oprofile can not find the events files

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14641

--- Comment #2 from Sergey <sergey.velykokhatko@gmail.com> ---
Hi Fabrice,

Built and tested right now, it works. 
I think yours patch is easy solution. All events files take 2.8M. For some
applications it could be a wasted space, but it is working solution, if someone
wanna save the flash space (for example me), he can write own
OPROFILE_INSTALL_TARGET_CMDS

Thanks,
Best Regards,
Sergey

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[Buildroot] [Bug 14641] oprofile can not find the events files

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14641

Peter Korsgaard <jacmet@uclibc.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #3 from Peter Korsgaard <jacmet@uclibc.org> ---
Fixed in git:
https://git.buildroot.org/buildroot/commit/?id=5259807318699646a7bb9cbc24fb137983bc5270

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