Performance counter vs ETW
问题 Are performance counters part of ETW? If not, what is the difference between the two? 回答1: Performance counters and ETW are distinct technologies. Performance counters are not exposed through ETW. The basic difference: performance counters provide high-level metrics on system behavior (think timers and bytes read and objects allocated) while ETW is a diagnostic tracing and logging facility (think Debug.WriteLine messages, but richer and more structured). Currently, both ETW and performance