Running mmpmon concurrently from multiple users on the same node

Five instances of the mmpmon command might be run on a given node concurrently. This action is intended primarily to allow different user-written performance analysis applications or scripts to work with the performance data. For example, one analysis application might deal with fs_io_s and io_s data, while the other one deals with rhist data, and the next one gathers data from other nodes in the cluster. The applications might be separately written or separately maintained, or have different sleep and wake-up schedules.

Be aware that there is only one set of counters for fs_io_s and io_s data, and a separate set for rhist data. Multiple analysis applications dealing with the same set of data must coordinate any activities that could reset the counters, or in the case of rhist requests, disable the feature or modify the ranges.