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Fixed in Unity 2019.1



Found in


Issue ID




[Profiler] Incorrect processes are assigned to coroutines in CoroutinesDelayedCalls when in Play mode




Priority: 3Not yet prioritized for a release


Severity: 3Secondary functionality broken

To reproduce:
1. Open user's attached project "", scene "test"
2. Make sure Profiler window is visible and VSync graph under CPU Usage is hidden (for better visibility)
3. Enter Play mode and observe Profiler until spike in scripting happens (several seconds)
4. Select the frame which spiked and check it's Coroutines' activity in Overview (Update.ScriptRunDelayedDynamicFrameRate/CoroutinesDelayedCalls)

Expected: activity is assigned to correct coroutines (A.ATest should be executing garbage allocation)
Actual: activity is assigned to wrong coroutines (B.BTest is shown to be allocating GC)

Reproduced in: 2017.2.3p1, 2017.4.5f1, 2018.1.4f1, 2018.2.0b7

Comments (1)

  1. 8073ef065add2a44afc405a841a5e1d0?d=mm


    Jul 05, 2018 04:24

    According to this there is a workaround. What is the workaround?

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