pezkuwichain
b6d35f6faf
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
50 lines
1.7 KiB
Rust
50 lines
1.7 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
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// This file is part of Pezkuwi.
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// Pezkuwi 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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// Pezkuwi 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 Pezkuwi. If not, see <http://www.gnu.org/licenses/>.
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use color_eyre::eyre;
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/// Show if the app is running under Valgrind
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pub(crate) fn is_valgrind_running() -> bool {
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match std::env::var("LD_PRELOAD") {
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Ok(v) => v.contains("valgrind"),
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Err(_) => false,
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}
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}
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/// Stop execution and relaunch the app under valgrind
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/// Cache configuration used to emulate Intel Ice Lake (size, associativity, line size):
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/// L1 instruction: 32,768 B, 8-way, 64 B lines
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/// L1 data: 49,152 B, 12-way, 64 B lines
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/// Last-level: 2,097,152 B, 16-way, 64 B lines
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pub(crate) fn relaunch_in_valgrind_mode() -> eyre::Result<()> {
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use std::os::unix::process::CommandExt;
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let err = std::process::Command::new("valgrind")
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.arg("--tool=cachegrind")
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.arg("--cache-sim=yes")
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.arg("--log-file=cachegrind_report.txt")
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.arg("--I1=32768,8,64")
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.arg("--D1=49152,12,64")
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.arg("--LL=2097152,16,64")
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.arg("--verbose")
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.args(std::env::args())
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.exec();
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Err(eyre::eyre!(
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"Сannot run Valgrind, check that it is installed and available in the PATH\n{}",
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err
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))
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}
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