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Re: [linuxtools-dev] oprofile plug-in does not work for non-default unit masks
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Fix reviewed in https://git.eclipse.org/r/#/c/21494/
Bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=427280
On Fri, 31 Jan 2014 11:12:35 -0600
Maynard Johnson <maynardj@xxxxxxxxxx> wrote:
> Hi, again,
> I'm seeing a problem involving unit masks on a RHEL 6.4/Sandybridge,
> using the OProfile plug-in on Kepler (version of the OProfile Core
> Plug-in is 2.0.0.201309171939). With 'operf' selected as the
> profiling tool in the Profiling Tools Configuration, any attempt to
> select anything but the default unit mask (which is always the first
> in the list) doesn't work. The dialog allows me to check a box for a
> non-default unit mask and click the "Apply" and "Profile" buttons,
> but the resulting profile data is still for the default unit mask
> (which can be seen by manually running 'opreport' in the project
> directory where the oprofile_data session dir resides). I'm not sure
> if this is the same root cause, but you can see what appears to be
> the same issue even without profiling by doing the following: 1. Go
> into Profiling Tools Configuration, select something other than the
> first unit mask for some event. 2. Press "Apply" and "Close". 3. Now
> go back again to look at the Profile Configuration, click on the
> event you had configured previously, and you'll see the first unit
> mask is checked -- i.e., you've lost the unit mask selection you made
> previously.
>
> Additionally, after you've done step 3 above, you can't always
> successfully select some other unit masks (i.e., you can check the
> box, but then the "Apply" button is grey'ed out). I haven't exactly
> figured out the pattern, but if you select the last unit mask, hit
> "Apply" and "Close", then go back to Profile Configurations (and the
> unit mask selected will now be the first one), attempting to
> re-select the last unit mask won't be possible because the "Apply"
> button gets grey'ed out.
>
> Thanks in advance for your support.
>
> -Maynard
>
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