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SubjectRe: [PATCH v9 15/15] selftests/sgx: Add scripts for EPC cgroup testing
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On Wed, 27 Mar 2024 19:57:26 -0500, Haitao Huang  
<haitao.huang@linux.intel.com> wrote:

> On Wed, 27 Mar 2024 11:56:35 -0500, Jarkko Sakkinen <jarkko@kernel.org>
> wrote:
>
>> On Wed Mar 27, 2024 at 2:55 PM EET, Jarkko Sakkinen wrote:
>>> On Mon, 2024-02-05 at 13:06 -0800, Haitao Huang wrote:
>>> > The scripts rely on cgroup-tools package from libcgroup [1].
>>> >
>>> > To run selftests for epc cgroup:
>>> >
>>> > sudo ./run_epc_cg_selftests.sh
>>> >
>>> > To watch misc cgroup 'current' changes during testing, run this in a
>>> > separate terminal:
..
>>> > wait_and_detect_for_any() {
>>>
>>> what is "any"?
>>>
>>> Maybe for some key functions could have short documentation what they
>>> are and for what test uses them. I cannot possibly remember all of this
>>> just by hints such as "this waits for Any" ;-)
>>>
>>> I don't think there is actual kernel guideline to engineer the script
>>> to work with just ash but at least for me that would inevitably
>>> increase my motivation to test this patch set more rather than less.
>>
>> I also wonder is cgroup-tools dependency absolutely required or could
>> you just have a function that would interact with sysfs?
>
> I should have checked email before hit the send button for v10 :-).
>
> It'd be more complicated and less readable to do all the stuff without
> the cgroup-tools, esp cgexec. I checked dependency, cgroup-tools only
> depends on libc so I hope this would not cause too much inconvenience.
>
> I saw bash was also used in cgroup test scripts so at least that's
> consistent :-)
> I can look into ash if that's required. Let me know.
>

Sorry I missed you earlier comments. I actually tried to make it
compatible with busybox on Ubuntu.

I'll address your other comments and update. But meanwhile could you
tryout this version in your env?

https://github.com/haitaohuang/linux/commit/3c424b841cf3cf66b085a424f4b537fbc3bbff6f

Thanks
Haitao

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