Enable memory profiling by default

Cargo.toml

@@ -662,13 +662,13 @@ inferno = "0.11.14"
 internment = { version = "0.5.0", features = ["arc"] }
 ipnet = "2.5.0"
 itertools = "0.13"
-jemallocator = { package = "tikv-jemallocator", version = "0.6.0", features = [
+jemallocator = { package = "tikv-jemallocator", version = "0.6.1", features = [
     "profiling",
     "stats",
     "unprefixed_malloc_on_supported_platforms",
 ] }
-jemalloc-ctl = { package = "tikv-jemalloc-ctl", version = "0.6.0" }
-jemalloc-sys = { package = "tikv-jemalloc-sys", version = "0.6.0" }
+jemalloc-ctl = { package = "tikv-jemalloc-ctl", version = "0.6.1" }
+jemalloc-sys = { package = "tikv-jemalloc-sys", version = "0.6.1" }
 json-patch = "0.2.6"
 jsonwebtoken = "8.1"
 jwt = "0.16.0"

aptos-node/src/main.rs

@@ -1,15 +1,23 @@
 // Copyright (c) Aptos Foundation
 // Licensed pursuant to the Innovation-Enabling Source Code License, available at https://github.com/aptos-labs/aptos-core/blob/main/LICENSE
 
-#![forbid(unsafe_code)]
+#![deny(unsafe_code)]
 
 use aptos_node::{utils::ERROR_MSG_BAD_FEATURE_FLAGS, AptosNodeArgs};
 use clap::Parser;
+use std::ffi::c_char;
 
 #[cfg(unix)]
 #[global_allocator]
 static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
 
+/// Can be overridden by setting the `MALLOC_CONF` env var.
+#[allow(unsafe_code)]
+#[cfg(unix)]
+#[used]
+#[unsafe(no_mangle)]
+pub static mut malloc_conf: *const c_char = c"prof:true,lg_prof_sample:23".as_ptr().cast();
+
 fn main() {
     // Check that we are not including any Move test natives
     aptos_vm::natives::assert_no_test_natives(ERROR_MSG_BAD_FEATURE_FLAGS);

execution/executor-benchmark/src/main.rs

@@ -43,6 +43,7 @@ use aptos_vm_environment::prod_configs::{
 use clap::{Parser, Subcommand, ValueEnum};
 use once_cell::sync::Lazy;
 use std::{
+    ffi::c_char,
     net::SocketAddr,
     path::PathBuf,
     time::{SystemTime, UNIX_EPOCH},
@@ -52,6 +53,11 @@ use std::{
 #[global_allocator]
 static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
 
+#[cfg(unix)]
+#[used]
+#[unsafe(no_mangle)]
+pub static mut malloc_conf: *const c_char = c"prof:true,lg_prof_sample:23".as_ptr().cast();
+
 /// This is needed for filters on the Grafana dashboard working as its used to populate the filter
 /// variables.
 pub static START_TIME: Lazy<IntGauge> =