Testing needed for new pipe code (in master)
hasso at estpak.ee
Mon Jul 13 02:56:28 PDT 2009
Matthew Dillon wrote:
> I have substantially rewritten kern/sys_pipe.c, which is our
> support for pipes. It should work quite well on a SMP box now.
> Performance on UP boxes might be a bit lower then the old code but the
> difference should not be noticable for any production workload.
> To test the SMP improvements set sysctl kern.pipe.mpsafe=1.
UP kernel is broken:
/home/hasso/dragonfly-src/sys/kern/sys_pipe.c:804: error: 'pipe_mpsafe'
undeclared (first use in this function)
More information about the Kernel