Re: [sched.h] 317419b91e: perf-sanity-tests.Parse_sched_tracepoints_fields.fail

[Mathieu Desnoyers]

----- On Oct 14, 2021, at 9:05 AM, Yafang Shao laoar.shao@xxxxxxxxx wrote:
[...]
>> If it happens that this ABI break is noticed by more than an in-tree test
>> program, then
>> the kernel's ABI rules will require that this trace field size stays unchanged.
>> This brings
>> up once more the whole topic of "Tracepoints ABI" which has been discussed
>> repeatedly in
>> the past.
>>
> 
> I will check if any other in-tree tools depends on TASK_COMM_LEN.

That's a start, but given this is a userspace ABI, out-of-tree userland
tools which depend of this to be fixed-size are also relevant.

Thanks,

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com