update readme (#48)

* update readme * Update README.md fix typo Co-authored-by: Itay Brenner <[email protected]> --------- Co-authored-by: Itay Brenner <[email protected]>
EmergeTools · Sep 8, 2023 · 9ba03b1 · 9ba03b1
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Showing 1 changed file with 5 additions and 1 deletion.
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@@ -72,4 +72,8 @@ NotificationCenter.default.post(name: Notification.Name(rawValue: "EmergeMetricE
 ```
 
 In the flamechart we would be able to see this flow as follows:
-![Eents Flamechart](images/events_flamechart.png)
+![Events Flamechart](images/events_flamechart.png)
+
+## Profiling background threads
+
+Use the flag `--multi-thread` (`-m`) to record all threads. This will provide a output.json file for every thread recorded, which you can drag into ETTrace.