feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

pezkuwi/node/subsystem-bench/src/cli/valgrind.rs

@@ -0,0 +1,49 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+use color_eyre::eyre;
+
+/// Show if the app is running under Valgrind
+pub(crate) fn is_valgrind_running() -> bool {
+	match std::env::var("LD_PRELOAD") {
+		Ok(v) => v.contains("valgrind"),
+		Err(_) => false,
+	}
+}
+
+/// Stop execution and relaunch the app under valgrind
+/// Cache configuration used to emulate Intel Ice Lake (size, associativity, line size):
+///     L1 instruction: 32,768 B, 8-way, 64 B lines
+///     L1 data: 49,152 B, 12-way, 64 B lines
+///     Last-level: 2,097,152 B, 16-way, 64 B lines
+pub(crate) fn relaunch_in_valgrind_mode() -> eyre::Result<()> {
+	use std::os::unix::process::CommandExt;
+	let err = std::process::Command::new("valgrind")
+		.arg("--tool=cachegrind")
+		.arg("--cache-sim=yes")
+		.arg("--log-file=cachegrind_report.txt")
+		.arg("--I1=32768,8,64")
+		.arg("--D1=49152,12,64")
+		.arg("--LL=2097152,16,64")
+		.arg("--verbose")
+		.args(std::env::args())
+		.exec();
+
+	Err(eyre::eyre!(
+		"Сannot run Valgrind, check that it is installed and available in the PATH\n{}",
+		err
+	))
+}