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Decommit instance memory after a runtime call on Linux (#8998)

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* Decommit instance memory after a runtime call on Linux

* Update documentation for the test

* Remove unfinished comment

* Use saturating_sub.

Also update the doc comment.

* Precise RSS tracking in the test

Instead of tracking RSS for the whole process we just look at the particular mapping that is associated with the linear memory of the runtime instance

* Remove unused import

* Fix unused imports

* Fix the unused imports error for good

* Rollback an accidental change to benches

* Fix the test

* Remove now unneeded code
This commit is contained in:
Sergei Shulepov
2021-06-14 22:07:06 +01:00
committed by GitHub
parent 65d3d5d4ab
commit 3df32a5411
10 changed files with 260 additions and 1 deletions
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substrate/client/executor/common/src/wasm_runtime.rs
+9
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@@ -93,4 +93,13 @@ pub trait WasmInstance: Send {
///
/// This method is only suitable for getting immutable globals.
fn get_global_const(&self, name: &str) -> Result<Option<Value>, Error>;
/// **Testing Only**. This function returns the base address of the linear memory.
///
/// This is meant to be the starting address of the memory mapped area for the linear memory.
///
/// This function is intended only for a specific test that measures physical memory consumption.
fn linear_memory_base_ptr(&self) -> Option<*const u8> {
None
}
}