[kwlug-disc] Syscall load?

[Chris Frey]

On Wed, Sep 03, 2025 at 06:07:17AM -0400, Khalid Baheyeldin wrote:
> On Wed, Sep 3, 2025, 02:32 Chris Frey <cdfrey at foursquare.net> wrote:
> 
> > What about syscall load?
> >
> 
> Do you mean as reported by the time command?
> Or do you mean something else?

I believe this would be reported by the strace command, tracking
read and write syscalls.  My theory is that with a varying blocksizes,
it will impact the number of trips into kernel space, and therefore
CPU load.

A fast machine may be able to keep up with, and saturate, available
disk bandwidth.  So even with the same throughput, CPU load and syscall
counts may differ.  If so, then a slower machine may care about blocksize.

- Chris