On 05/17/2012 09:12 PM, Wolz, Troy wrote:
> Hello,
>
> When running the latency program provided in the Xenomai source, my
> latency numbers for 'max latency' is consistently over 30 us. I have
> installed Xenomai 2.6.0 using Linux kernel 2.6.38.8. I have attached
> my config for my linux kernel. SMI is disabled, legacy USB support is
> disabled in the BIOS, and the other obvious latency killers provided
> in the troubleshooting guide have been checked.
Oly CONFIG_ACPI_PROCESSOR should be turned off. It is recommended to
keep CONFIG_ACPI on.
CONFIG_XENO_OPT_DEBUG_XNLOCK has some impact on latencies, if you want
to reduce latencies, you should turn it off.
--
Gilles.
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