Automatic leak detection

[Anders Leino FI]

Hi everyone,

Background
I'm fixing some memory leaks in the Nvidia desktop driver (Windows and Linux) to address issues encountered in various chromium-related projects like Angle and Dawn.

Now I'm looking at adding some automatic testing to catch these kinds of issues early, and I have lots of questions about how to do that well.

Kenneth Russell recommended this group as a good place to ask these questions.

Questions
I'll just list a few of my questions to get the conversation started:

• Do you have automatic leak detection tests running for any projects within chromium?
  • If so, can you point me to some of them?
    
  • If not, have you considered it?
    • What was the conclusion?

[Ken Russell]

Hi memory-dev folks,

Is this the best list on which to ask this question? Only just realized we never received a reply. Pointers to other better forums welcome.

Thanks,

-Ken

[Erik Chen]

Sorry about that -- this list doesn't get much activity these days so this probably got overlooked. 

There are two main categories of automated leak detection -- lab testing and field telemetry. +Joe Mason is probably the best PoC for field telemetry as I believe he just hooked up GPU process. I'm not sure who the best PoC is for lab testing these days. Maybe +Bartek Nowierski can help direct? We have LSAN bots that do some amount of leak detection, and IIRC we have some tests that navigate between web-pages and ensure that blink objects are cleaned up between runs. We also have generic telemetry performance tests that do memory measurements, maybe +Ryan Heise will be best PoC here.

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