Shell Scripts v. Command Options
Dan Bernstein
brnstnd at kramden.acf.nyu.edu
Sun Jan 20 04:08:26 AEST 1991
In article <18959 at rpp386.cactus.org> jfh at rpp386.cactus.org (John F Haugh II) writes:
> Had you looked at the test data you would see that the CPU time is
> actually spent in the kernel executing code.
Apparently the system is idle in your tests; many if not most schedulers
will add disk wait time to the system time of the current process.
> In the case you gave of a large page size architecture, fork() should
> still take very little time since there need not be any physical I/O
> unless the available memory is consumed
Available (physical) memory is quite often consumed, and the average
executable is swapped out. At NYU we actually use computers for
computing things, ya know?
---Dan
More information about the Comp.bugs.sys5
mailing list