[23817.641085] perf: interrupt took too long (4457 > 4356), lowering kernel.perf_event_max_sample_rate to 44750 [27257.585250] perf: interrupt took too long (5575 > 5571), lowering kernel.perf_event_max_sample_rate to 35750 [27357.901485] Non-volatile memory driver v1.3 [27359.639700] st: Version 20160209, fixed bufsize 32768, s/g segs 256