Are syconf(_SC_XXX) issues glibc or kernel issues?

[Jeffrey Walton]

On Wed, Mar 21, 2018 at 12:38 PM, Jason Duerstock
<jason.duerstock@gmail.com> wrote:
> Run strace against the binary.  If the syscall returns the "correct"
> value(s), then it's a glibc issue.  If not, it's a kernel issue.

Thanks Jason.

If I _don't_ see a system call, then would that indicate it is
probably a glibc issue? That is, glibc provides the answer without
going to the kernel?

Jeff

> On Wed, Mar 21, 2018 at 12:30 PM, Jeffrey Walton <noloader@gmail.com> wrote:
>> Hi Everyone,
>>
>> My apologies for asking. I'm seeing bug reports against both components.
>>
>> Are syconf(_SC_XXX) issues glibc or kernel issues?
>>
>> In my particular case, I'm getting an unexpected value from
>> _SC_LEVEL1_DCACHE_LINESIZE on PPC64. AIX and SC_L1C_DLS returns an
>> expected value.
>>
>> Jeff