Performance test analysis can be done real time script execution or post execution
Real time script execution analysis
1) Performance Engineer needs a coordination with other teams like Database team, app server team, etc to monitor real time performance on Database server, Application server
2) Database and app server team can let Performance Engineer know the performance results on these servers like resource utilization, fail over server works / load balancing works fine etc.
Post script execution analysis
1) Verification on Vuser metrics, Vuser errors, can be validated.
2) Verification Transactions graphs for TPS, response time, hits per second can be reviewed.
For additional details please click on click link load testing vs performance testing vs stress testing
Performance testing best practices and activities.