On 8/29/24 02:38, Nick Neumann wrote: > Do you have any thoughts on eventually including the submit time or > submit latency in the clat file as well? Then one would have a single > file without any of the redundancies involved with multiple files. The submit time is what Shin'ichiro patches are adding :) issue time == submit time. Maybe we should change the name to log_submit_time ? With the code refactoring/cleanup that Shin'ichiro did, the submit latency can easily be added too. Though one could argue that the "clat" name for the log then becomes a little inappropriate. > I've also thought a bit about having a non-text but portable output > file option, like protobuf. The files are large, and gzip compresses > the per-I/O logs well, but I imagine protobuf would be a big win for > both outputting and ingesting the log files, and would be way smaller > than the non-compressed log files. Adding an option to change the clat file format can be done on top of this series. > > Thanks for the new feature and any input on my thoughts! > - Nick -- Damien Le Moal Western Digital Research