On 02/06/14 22:58, Nicholas A. Bellinger wrote: > Starting with a baseline using scsi_debug that NOPs REQ_TYPE_FS commands > to measure improvements would be a better baseline vs. scsi_request_fn() > existing code that what your doing above. > > That way at least it's easier to measure specific scsi-core overhead > down to the LLD's queuecommand without everything else in the way. Running initiator and target workload on the same system makes initiator and target code share CPUs and hence makes it hard to analyze which performance change is caused by initiator optimizations and which performance change is caused by interactions between initiator and target workloads. Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
