Re: [PATCH v13 1/3] /proc/pid/status: Add support for architecture specific output

From: Li, Aubrey
Date: Sun Apr 07 2019 - 20:38:55 EST


On 2019/4/8 1:34, Andy Lutomirski wrote:
> On Fri, Apr 5, 2019 at 12:32 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>>
>> On Sun, 24 Feb 2019, Aubrey Li wrote:
>>
>>> The architecture specific information of the running processes could
>>> be useful to the userland. Add support to examine process architecture
>>> specific information externally.
>>>
>>> Signed-off-by: Aubrey Li <aubrey.li@xxxxxxxxxxxxxxx>
>>> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
>>> Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>>> Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
>>> Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
>>> Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
>>
>> This really lacks
>>
>> Cc: Linux API <linux-api@xxxxxxxxxxxxxxx>
>> Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
>> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>>
>> Cc'ed now.
>>
>
> I certainly understand why you want to expose this info, but would it
> make more sense to instead add an arch_status file in /proc with
> architecture-specific info? Or maybe an x86_status field for x86
> status, etc.
>

I tried this, but no other architecture showed interest in arch_status
under /proc.

Thanks,
-Aubrey