[cgroups2] Add memory usage reporting to the MemoryControllerProcess #579
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added 5 commits
April 25, 2024 16:02
Introduces the `MemoryControllerProcess`, the cgroups v2 memory isolator, which will be used by the `Cgroups2IsolatorProcess`. Unlike the `MemorySubsystemProcess`, the cgroups v1 memory isolator, we: - Don't allow limits on swap memory to be set. - Don't report memory pressure levels (this facility is no longer part of the cgroups memory controller's API) Future work may include: - Adding support for swap memory, and - Reporting the (now available) memory pressure stall information
Introduces the `MemoryControllerProcess`, the cgroups v2 memory isolator, which will be used by the `Cgroups2IsolatorProcess`. Unlike the `MemorySubsystemProcess`, the cgroups v1 memory isolator, we: - Don't allow limits on swap memory to be set. - Don't report memory pressure levels (this facility is no longer part of the cgroups memory controller's API) Future work may include: - Adding support for swap memory, and - Reporting the (now available) memory pressure stall information
Introduces OOM listening to the MemoryControllerProcess so that we detect, report, and respond to OOM events.
Introduces `::usage` to the MemoryControllerProcess to report the total memory usage of a cgroup as well as memory usage statistics provided by `cgroups2::memory:stats`.
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Introduces
::usageto the MemoryControllerProcess to report the totalmemory usage of a cgroup as well as memory usage statistics provided
by
cgroups2::memory:stats.