Hi Martin Am Freitag, 19. Februar 2016, 17:02:20 schrieb Martin.Wirth@xxxxxx: > I today switched from 4.1.15-rt17 to 4.4.1-rt6. > Now I'm seeing large latencies of more than 1 ms. > They occur sporadic ( every few minutes) and show up for example running It would be interesting to know the platform the rt kernel is running on? I have also seen a latency increase with 4.4.1-rtX releases. I have the impression that some stable kernel updates made it worse. Care to test 4.4-rt3 or 4.4-rt4? Had not the chance to pin them down by now. Best regards Tim -- 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