mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 09:57:56 +00:00
Vivek Pandya
bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
69 lines
2.2 KiB
Rust
69 lines
2.2 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//! Tests that are only relevant for Linux.
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use super::mk_test_runtime;
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use crate::WasmExecutionMethod;
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use codec::Encode as _;
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mod smaps;
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use self::smaps::Smaps;
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#[test]
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fn memory_consumption_compiled() {
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// This aims to see if linear memory stays backed by the physical memory after a runtime call.
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//
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// For that we make a series of runtime calls, probing the RSS for the VMA matching the linear
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// memory. After the call we expect RSS to be equal to 0.
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let runtime = mk_test_runtime(
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WasmExecutionMethod::Compiled {
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instantiation_strategy:
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sc_executor_wasmtime::InstantiationStrategy::LegacyInstanceReuse,
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},
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1024,
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);
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let mut instance = runtime.new_instance().unwrap();
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let heap_base = instance
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.get_global_const("__heap_base")
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.expect("`__heap_base` is valid")
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.expect("`__heap_base` exists")
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.as_i32()
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.expect("`__heap_base` is an `i32`");
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fn probe_rss(instance: &dyn sc_executor_common::wasm_runtime::WasmInstance) -> usize {
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let base_addr = instance.linear_memory_base_ptr().unwrap() as usize;
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Smaps::new().get_rss(base_addr).expect("failed to get rss")
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}
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instance
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.call_export("test_dirty_plenty_memory", &(heap_base as u32, 1u32).encode())
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.unwrap();
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let probe_1 = probe_rss(&*instance);
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instance
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.call_export("test_dirty_plenty_memory", &(heap_base as u32, 1024u32).encode())
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.unwrap();
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let probe_2 = probe_rss(&*instance);
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assert_eq!(probe_1, 0);
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assert_eq!(probe_2, 0);
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}
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