1. A method for providing performance tuning and benchmarking services to one or more remote computer systems, the method comprising: initiating, by a service provider computer system, a gateway on one or more remote computer systems identified as targets, wherein the initiating is consequent to installing by the service provider computer system the gateway on the one or more remote computer systems if the gateway is determined to be not yet installed on the one or more remote computer systems; initiating, by the service provider computer system, one or more performance tuning and benchmarking services; capturing, by the service provider computer system through the gateway, data to identify captured data for a first set of metrics related to performance of the one or more remote computer systems operating with a real-life workload for a first period of a defined term of the performance tuning and benchmarking services; performing, by the service provider computer system, a performance review based at least in part on the captured data for the first set of metrics, wherein performance issues are detected and ranked according to severities respectively attributed to the performance issues to result in at least a first detected performance issue assigned a first severity rank and a second detected performance issue assigned a second severity rank; based at least in part on results of the performance review, deploying, by the service provider computer system from a library of different types of services, a first service of a first type to address the first detected performance issue; and providing, by the service provider computer system through a portal, a first set of one or more reports based at least in part on the results of the performing the performance review on the captured data, wherein the first set of one or more reports comprises a recommendation of a second service of a second type to address the second detected performance issue.