On Tue, 29 Sep 2015, Matthias Meier wrote: > just for imformation what causes the long latencies... > > cause of the latency problem of up to 10ms was 'CONFIG_PROVE_LOCKING' enabled > in the kernel config. After disabling it, the max latency is now below 400us. > (many thx to tglx who found the problem). There are plenty of other debug options enabled in that config file, which introduce latencies. If you switch them off you should get results which are below 100us. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
