[email protected] wrote:
>
> >How fast is printk? I haven't looked.
> >
> >ie: if you do back-to-back printk's, what's the timestamp increment?
>
> On ia64 it looks like about 4-5 usec increment for back-to-back
> printk (with no serial console configured, and dmesg -n to turn
> off messages to the VGA console).
>
Ah, thanks. Presumably it'll be considerably longer with %d's and %s's in
there. But still, ~10 usecs is good resolution for I/O operations.
-
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]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
|
|