Andi Kleen <[email protected]> writes:
>> So it will correctly handle that sysctl being compiled out, and
>> the fallback to using /proc. The code seems to have been
>> doing that since it was added to glibc in 2000.
>
> Using /proc is extremly slow for this.
How so it is the same code in the kernel. Is open much slower than
sys_sysctl?
> You added significant cost to each program startup.
Not each program only the ones that use pthreads.
> I still think it's a good idea to simulate that sysctl and printk
> the others.
To reduce the noise something like that makes sense. I'm going to
see if I can get glibc to use uname which should have the same effect.
Eric
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
