Hello, I have a RELENG_6/AMD64 with an AMD64X2 cpu, 1GB of memory, 512MB swap. I remarked that when I run 2 simulation program [1], sometimes, one of them run one or several of its threads [2] very slowly, but sometimes, it doesn't occur.
I remarked that is doesn't depend on SMP/UP, ULE/4BSD, i386/AMD64. It seems to occur also with the kernel stress test under the same conditions (all of them). In this case, the mouse is blocked, etc. I tested different kernels, and recorded the output of sysctl vm [3]. I increased vm.swap_async_max but this doesn't change the deal /a priori/. All that didn't occur with a Sempron64. All was slower but the mouse didn't blocked etc. This was a time ago, I may be wrong. It seems to be an architecture problem (??). I can give more quantitative data, but I need help to focus the tests... Mathieu [1] http://ising.podzone.org/src/ising_lps_0.4.tar.bz2 [2] void *interface(void *arg) can be very slow, void *system_trace(void *arg) can exit during a very long time (terminated ? detached: it should). [3] http://ising.podzone.org/vm/vm_amd64.tar.bz2 and others in this directory PS: does FreeBSD allow monitoring threads of a program in real time ? I didn't find anything for freebsd. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"