Documentation is sparse in details. Is this built on top of kprobes[1]? If so a comparison with perf, systemtap, et al is probably more appropriate. Do you support utrace/uprobes or similar for userland work?<p>Is data selection/manipulation/summarization available on the kernal side? At high rates extracting enough/iptimal data has caught me with other linux probe based tools.<p>I like the ring buffer and scap concept. Very nice compared to the full dump or summarized stats other tools focus on.<p>[1] <a href="https://www.kernel.org/doc/Documentation/kprobes.txt" rel="nofollow">https://www.kernel.org/doc/Documentation/kprobes.txt</a>