From b1b334a17f77de7c229701038129097889da2423 Mon Sep 17 00:00:00 2001
From: "Jeff Washington (jwash)" <wash678@gmail.com>
Date: Fri, 19 Nov 2021 09:48:07 -0600
Subject: [PATCH] ledger-tool uses jemalloc like validator (#21351)

---
 Cargo.lock              | 1 +
 ledger-tool/Cargo.toml  | 3 +++
 ledger-tool/src/main.rs | 6 ++++++
 3 files changed, 10 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index fbbc050904..fcf3b20a57 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5152,6 +5152,7 @@ dependencies = [
  "solana-transaction-status",
  "solana-version",
  "solana-vote-program",
+ "tikv-jemallocator",
  "tokio",
 ]
 
diff --git a/ledger-tool/Cargo.toml b/ledger-tool/Cargo.toml
index e4e6288202..8f46bdc7be 100644
--- a/ledger-tool/Cargo.toml
+++ b/ledger-tool/Cargo.toml
@@ -38,6 +38,9 @@ solana-version = { path = "../version", version = "=1.9.0" }
 solana-vote-program = { path = "../programs/vote", version = "=1.9.0" }
 tokio = { version = "1", features = ["full"] }
 
+[target.'cfg(not(target_env = "msvc"))'.dependencies]
+jemallocator = {package = "tikv-jemallocator", version = "0.4.1", features = ["unprefixed_malloc_on_supported_platforms"]}
+
 [dev-dependencies]
 assert_cmd = "2.0"
 
diff --git a/ledger-tool/src/main.rs b/ledger-tool/src/main.rs
index a40eff3d0f..1fd2100c1f 100644
--- a/ledger-tool/src/main.rs
+++ b/ledger-tool/src/main.rs
@@ -833,6 +833,12 @@ fn assert_capitalization(bank: &Bank) {
     let debug_verify = true;
     assert!(bank.calculate_and_verify_capitalization(debug_verify));
 }
+#[cfg(not(target_env = "msvc"))]
+use jemallocator::Jemalloc;
+
+#[cfg(not(target_env = "msvc"))]
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
 
 #[allow(clippy::cognitive_complexity)]
 fn main() {