Querying The Histogram XE Target

Kendra Little shows how to query the histogram target for Extended Events:

I like using the histogram target because it’s relatively lightweight — you can “bucket” results by what you’re interested in. In my case, I was interested seeing the cumulative number of file_read events by file name.

But there’s one problem: the histogram target is stored in memory, not in a data file. If you want to query that data and store it off in a table, it’s not obvious how to do that.

Click through to figure out how to do that.

Related Posts

dbatools Making Extended Events Easier

Chrissy LeMaire solves a bunch of common problems with Extended Events: So why do people keep using traces? We compiled a list of reasons from Erin Stellato’s Why do YOU avoid Extended Events. And this list is LONG! Traces are straightforward and less complex than Extended Events Totally seems that way! Traces provide a consistent interface […]

Read More

Mapping Extended Events To Trace Events

Jason Brimhall shows how Extended Events and server trace events (like Profiler uses) map together: If you have browsed XEvents to any extent you should probably be familiar with at least one map object that Microsoft has given us. That particular object is sys.dm_xe_map_values and I wrote a bit about it here. That object presents some […]

Read More


January 2017
« Dec Feb »