Try lock tracing

Cargo.toml

@@ -37,7 +37,7 @@ libsodium-sys-stable = "1.19.22"
 log = { version = "0.4.17", features = ["std", "release_max_level_debug"] }
 mimalloc = { version = "0.1.29", default-features = false }
 socket2 = "0.4.4"
-parking_lot = "0.12.1"
+tracing-mutex = { version = "0.2.1", features = ["parkinglot"] }
 privdrop = "0.5.2"
 rand = "0.8.5"
 rustc-hash = "1.1.0"

src/cache.rs

@@ -2,7 +2,8 @@ use std::sync::Arc;
 
 use clockpro_cache::ClockProCache;
 use coarsetime::{Duration, Instant};
-use parking_lot::{Mutex, MutexGuard};
+use tracing_mutex::parkinglot::TracingMutex as Mutex;
+use tracing_mutex::parkinglot::TracingMutexGuard as MutexGuard;
 
 use crate::dns;
 

src/dnscrypt_certs.rs

@@ -5,9 +5,9 @@ use std::time::SystemTime;
 
 use byteorder::{BigEndian, ByteOrder};
 use clockpro_cache::ClockProCache;
-use parking_lot::Mutex;
 use rand::prelude::*;
 use serde_big_array::BigArray;
+use tracing_mutex::parkinglot::TracingMutex as Mutex;
 
 use crate::anonymized_dns::*;
 use crate::config::*;

src/globals.rs

@@ -5,10 +5,11 @@ use std::sync::atomic::AtomicU32;
 use std::sync::Arc;
 use std::time::Duration;
 
-use parking_lot::{Mutex, RwLock};
 use siphasher::sip128::SipHasher13;
 use tokio::runtime::Handle;
 use tokio::sync::oneshot;
+use tracing_mutex::parkinglot::TracingMutex as Mutex;
+use tracing_mutex::parkinglot::TracingRwLock as RwLock;
 
 use crate::blacklist::*;
 use crate::cache::*;

src/main.rs

@@ -61,8 +61,6 @@ use errors::*;
 use futures::join;
 use futures::prelude::*;
 use globals::*;
-use parking_lot::Mutex;
-use parking_lot::RwLock;
 use privdrop::PrivDrop;
 use rand::prelude::*;
 use siphasher::sip128::SipHasher13;
@@ -70,6 +68,8 @@ use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use tokio::net::{TcpListener, TcpSocket, TcpStream, UdpSocket};
 use tokio::runtime::Handle;
 use tokio::sync::oneshot;
+use tracing_mutex::parkinglot::TracingMutex as Mutex;
+use tracing_mutex::parkinglot::TracingRwLock as RwLock;
 #[cfg(feature = "metrics")]
 use varz::*;