How to reproduce:
1. Create a new Unity project
2. Open the Profiler window
3. Enter Play Mode and capture some data
4. Stop profiling, select a frame
5. In the CPU Usage module, enter 'WaitForRenderJobs' in the search bar
6. Select one of the results and open the 'Show Calls' window via the drop-down to the right of the search bar
7. Compare the Calls count in the Profiler to the Calls count in the Calls window

Expected result: 2 separate entries for 'Gfx.EndAsyncJobFrame' are shown in the Calls window, with 1 and 2 calls each, matching the Hierarchy display
Actual result: one entry for 'Gfx.EndAsyncJobFrame' is shown in the Calls window with 3 calls

Reproducible with: 2018.4.29f1, 2019.4.15f1, 2020.1.14f1, 2020.2.0b13, 2021.1.0a7

Notes:
In 2018.4 there is only 1 entry for WaitForRenderJobs, two scripts executing same code(e.g. Debug.Log) can be used instead