Waitopedia is a comprehensive resource of information about SQL Server waits.
The description shown below is the top answer as voted by the Spotlight community.
The charts are based on 2.1 TB of data collected from 4207 instances uploaded by 323 Spotlight users over an 8 week period.
PERFORMANCE_COUNTERS_RWLOCK
What is PERFORMANCE_COUNTERS_RWLOCK?
This wait never occurs for most instances
For each of 4207 instances, we ranked PERFORMANCE_COUNTERS_RWLOCK on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of PERFORMANCE_COUNTERS_RWLOCK across the Spotlight Population
For 64 % of hours with this wait, average wait time is less than 0.42 ms
For each instance, we found all the recent hours when it had a PERFORMANCE_COUNTERS_RWLOCK wait. We found the average latency for each of those hours.
933 instances contributed data to this chart