alert
An event that is triggered when a count value is above or below the specified threshold value.
baseline
A set of performance indicators gathered when system performance is acceptable.
base score
The overall rating of your computer generated from the subscores.
bottleneck
The component in a process that prevents the overall process from completing faster.
counters
The performance indicators that can be recorded in Reliability and Performance Monitor.
Data Collector Set
A grouping of counters that you can use to log system data and generate reports.
Data Execution Prevention (DEP)
A primarily processor hardware-based system to prevent the installation of malware by accessing unauthorized memory spaces.
Data Manager
The component that is used to automatically manage performance logs.
Performance Monitor
A tool within Reliability and Performance Monitor that allows you to visually display the data generated by counters.
performance tuning
The process for collecting system performance data, analyzing system performance data, and implementing system performance improvements.
Reports
Reports created in Reliability and Performance Monitor that use XML-based rules to analyze logged data and display meaningful results.
Resource Monitor
A utility launched from Performance Monitor that provides real-time monitoring of the most common system performance indicators.
subscores
The rating of individual subsystems in your computer.
Task Manager
A utility that allows you to view overall system information and manipulate processes.
virtual memory
The combination of physical memory and the paging file.
Windows Experience Index
Scores that help you determine which applications your computer can run.