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Devicelab memory usage probes aren't working on iOS #150936

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flutter/engine
#53618
@gaaclarke

Description

@gaaclarke

broken probes

  • average_memory_usage
  • 90th_percentile_memory_usage
  • 99th_percentile_memory_usage

reproduction steps

  1. Checkout 0198afa
  2. Modify dev/benchmarks/macrobenchmarks/ios/Runner.xcodeproj to show the graphics overlay (showGraphicsOverview)
  3. Run the backdrop_filter_perf_ios__timeline_summary benchmark
  4. Look at the overlay and notice that the memory usage is around 400MB
  5. Wait for the results to be printed to the console, notice that it reports something around 200MB
  6. Checkout def5a38
  7. Run the test again
  8. Notice that the overlay now reports usage is around 200MB but the report printed to the console still lists the same result from above.

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P2Important issues not at the top of the work listteam-engineOwned by Engine teamtriaged-engineTriaged by Engine team

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