diff --git a/Cargo.lock b/Cargo.lock
index 4a7a0d9..c1aa85a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,18 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "affinity"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "763e484feceb7dd021b21c5c6f81aee06b1594a743455ec7efbf72e6355e447b"
+dependencies = [
+ "cfg-if",
+ "errno",
+ "libc",
+ "num_cpus",
+]
+
 [[package]]
 name = "ahash"
 version = "0.3.8"
@@ -74,6 +86,7 @@ dependencies = [
 name = "aquatic_common"
 version = "0.1.0"
 dependencies = [
+ "affinity",
  "ahash 0.7.6",
  "anyhow",
  "arc-swap",
@@ -95,7 +108,6 @@ dependencies = [
  "aquatic_common",
  "aquatic_http_protocol",
  "cfg-if",
- "core_affinity",
  "either",
  "futures-lite",
  "futures-rustls",
@@ -122,6 +134,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "aquatic_cli_helpers",
+ "aquatic_common",
  "aquatic_http_protocol",
  "futures-lite",
  "glommio",
@@ -166,7 +179,6 @@ dependencies = [
  "aquatic_common",
  "aquatic_udp_protocol",
  "cfg-if",
- "core_affinity",
  "crossbeam-channel",
  "futures-lite",
  "glommio",
@@ -206,8 +218,8 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "aquatic_cli_helpers",
+ "aquatic_common",
  "aquatic_udp_protocol",
- "core_affinity",
  "crossbeam-channel",
  "hashbrown 0.11.2",
  "mimalloc",
@@ -241,7 +253,6 @@ dependencies = [
  "aquatic_ws_protocol",
  "async-tungstenite",
  "cfg-if",
- "core_affinity",
  "crossbeam-channel",
  "either",
  "futures",
@@ -273,6 +284,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "aquatic_cli_helpers",
+ "aquatic_common",
  "aquatic_ws_protocol",
  "async-tungstenite",
  "futures",
@@ -534,18 +546,6 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
-[[package]]
-name = "core_affinity"
-version = "0.5.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f8a03115cc34fb0d7c321dd154a3914b3ca082ccc5c11d91bf7117dbbe7171f"
-dependencies = [
- "kernel32-sys",
- "libc",
- "num_cpus",
- "winapi 0.2.8",
-]
-
 [[package]]
 name = "cpufeatures"
 version = "0.2.1"
@@ -718,6 +718,27 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "errno"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "errno-dragonfly"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "failure"
 version = "0.1.8"
diff --git a/aquatic_common/Cargo.toml b/aquatic_common/Cargo.toml
index 3d9d9b3..b10a3f2 100644
--- a/aquatic_common/Cargo.toml
+++ b/aquatic_common/Cargo.toml
@@ -14,6 +14,7 @@ name = "aquatic_common"
 ahash = "0.7"
 anyhow = "1"
 arc-swap = "1"
+affinity = "0.1"
 hashbrown = "0.11.2"
 hex = "0.4"
 indexmap-amortized = "1"
diff --git a/aquatic_common/src/cpu_pinning.rs b/aquatic_common/src/cpu_pinning.rs
index a13fc73..ddfa833 100644
--- a/aquatic_common/src/cpu_pinning.rs
+++ b/aquatic_common/src/cpu_pinning.rs
@@ -1,17 +1,106 @@
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
-#[serde(default)]
+#[serde(rename_all = "lowercase")]
+pub enum CpuPinningMode {
+    Ascending,
+    Descending,
+}
+
+impl Default for CpuPinningMode {
+    fn default() -> Self {
+        Self::Ascending
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct CpuPinningConfig {
     pub active: bool,
-    pub offset: usize,
+    pub mode: CpuPinningMode,
+    pub virtual_per_physical_cpu: usize,
+    pub offset_cpus: usize,
 }
 
 impl Default for CpuPinningConfig {
     fn default() -> Self {
         Self {
             active: false,
-            offset: 0,
+            mode: Default::default(),
+            virtual_per_physical_cpu: 2,
+            offset_cpus: 0,
+        }
+    }
+}
+
+impl CpuPinningConfig {
+    pub fn default_for_load_test() -> Self {
+        Self {
+            mode: CpuPinningMode::Descending,
+            ..Default::default()
+        }
+    }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum WorkerIndex {
+    SocketWorker(usize),
+    RequestWorker(usize),
+    Other,
+}
+
+impl WorkerIndex {
+    fn get_cpu_indices(self, config: &CpuPinningConfig, socket_workers: usize) -> Vec<usize> {
+        let offset = match self {
+            Self::Other => config.virtual_per_physical_cpu * config.offset_cpus,
+            Self::SocketWorker(index) => {
+                config.virtual_per_physical_cpu * (config.offset_cpus + 1 + index)
+            }
+            Self::RequestWorker(index) => {
+                config.virtual_per_physical_cpu * (config.offset_cpus + 1 + socket_workers + index)
+            }
+        };
+
+        let virtual_cpus = (0..config.virtual_per_physical_cpu).map(|i| offset + i);
+
+        let virtual_cpus: Vec<usize> = match config.mode {
+            CpuPinningMode::Ascending => virtual_cpus.collect(),
+            CpuPinningMode::Descending => {
+                let max_index = affinity::get_core_num() - 1;
+
+                virtual_cpus
+                    .map(|i| max_index.checked_sub(i).unwrap_or(0))
+                    .collect()
+            }
+        };
+
+        ::log::info!(
+            "Calculated virtual CPU pin indices {:?} for {:?}",
+            virtual_cpus,
+            self
+        );
+
+        virtual_cpus
+    }
+}
+
+/// Note: don't call this when affinities were already set in the current or in
+/// a parent thread. Doing so limits the number of cores that are seen and
+/// messes up setting affinities.
+pub fn pin_current_if_configured_to(
+    config: &CpuPinningConfig,
+    socket_workers: usize,
+    worker_index: WorkerIndex,
+) {
+    if config.active {
+        let indices = worker_index.get_cpu_indices(config, socket_workers);
+
+        if let Err(err) = affinity::set_thread_affinity(indices.clone()) {
+            ::log::error!(
+                "Failed setting thread affinities {:?} for {:?}: {:#?}",
+                indices,
+                worker_index,
+                err
+            );
         }
     }
 }
diff --git a/aquatic_http/Cargo.toml b/aquatic_http/Cargo.toml
index f6ea2ee..fffdb5c 100644
--- a/aquatic_http/Cargo.toml
+++ b/aquatic_http/Cargo.toml
@@ -21,7 +21,6 @@ aquatic_cli_helpers = "0.1.0"
 aquatic_common = "0.1.0"
 aquatic_http_protocol = "0.1.0"
 cfg-if = "1"
-core_affinity = "0.5"
 either = "1"
 futures-lite = "1"
 futures-rustls = "0.22"
diff --git a/aquatic_http/src/lib/lib.rs b/aquatic_http/src/lib/lib.rs
index ef584e5..873ed83 100644
--- a/aquatic_http/src/lib/lib.rs
+++ b/aquatic_http/src/lib/lib.rs
@@ -5,7 +5,9 @@ use std::{
 };
 
 use aquatic_common::{
-    access_list::update_access_list, privileges::drop_privileges_after_socket_binding,
+    access_list::update_access_list,
+    cpu_pinning::{pin_current_if_configured_to, WorkerIndex},
+    privileges::drop_privileges_after_socket_binding,
 };
 use common::{State, TlsConfig};
 use glommio::{channels::channel_mesh::MeshBuilder, prelude::*};
@@ -23,12 +25,6 @@ pub const APP_NAME: &str = "aquatic_http: HTTP/TLS BitTorrent tracker";
 const SHARED_CHANNEL_SIZE: usize = 1024;
 
 pub fn run(config: Config) -> ::anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     let state = State::default();
 
     update_access_list(&config.access_list, &state.access_list)?;
@@ -42,6 +38,12 @@ pub fn run(config: Config) -> ::anyhow::Result<()> {
         ::std::thread::spawn(move || run_inner(config, state));
     }
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     for signal in &mut signals {
         match signal {
             SIGUSR1 => {
@@ -55,12 +57,6 @@ pub fn run(config: Config) -> ::anyhow::Result<()> {
 }
 
 pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     let num_peers = config.socket_workers + config.request_workers;
 
     let request_mesh_builder = MeshBuilder::partial(num_peers, SHARED_CHANNEL_SIZE);
@@ -80,13 +76,13 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
         let response_mesh_builder = response_mesh_builder.clone();
         let num_bound_sockets = num_bound_sockets.clone();
 
-        let mut builder = LocalExecutorBuilder::default();
+        let executor = LocalExecutorBuilder::default().spawn(move || async move {
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.socket_workers,
+                WorkerIndex::SocketWorker(i),
+            );
 
-        if config.cpu_pinning.active {
-            builder = builder.pin_to_cpu(config.cpu_pinning.offset + 1 + i);
-        }
-
-        let executor = builder.spawn(|| async move {
             network::run_socket_worker(
                 config,
                 state,
@@ -107,13 +103,13 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
         let request_mesh_builder = request_mesh_builder.clone();
         let response_mesh_builder = response_mesh_builder.clone();
 
-        let mut builder = LocalExecutorBuilder::default();
+        let executor = LocalExecutorBuilder::default().spawn(move || async move {
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.socket_workers,
+                WorkerIndex::RequestWorker(i),
+            );
 
-        if config.cpu_pinning.active {
-            builder = builder.pin_to_cpu(config.cpu_pinning.offset + 1 + config.socket_workers + i);
-        }
-
-        let executor = builder.spawn(|| async move {
             handlers::run_request_worker(config, state, request_mesh_builder, response_mesh_builder)
                 .await
         });
@@ -128,6 +124,12 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
     )
     .unwrap();
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     for executor in executors {
         executor
             .expect("failed to spawn local executor")
diff --git a/aquatic_http_load_test/Cargo.toml b/aquatic_http_load_test/Cargo.toml
index 25baab6..83161b1 100644
--- a/aquatic_http_load_test/Cargo.toml
+++ b/aquatic_http_load_test/Cargo.toml
@@ -12,6 +12,7 @@ name = "aquatic_http_load_test"
 [dependencies]
 anyhow = "1"
 aquatic_cli_helpers = "0.1.0"
+aquatic_common = "0.1.0"
 aquatic_http_protocol = "0.1.0"
 futures-lite = "1"
 hashbrown = "0.11.2"
diff --git a/aquatic_http_load_test/src/config.rs b/aquatic_http_load_test/src/config.rs
index 1c8456a..a3db7d4 100644
--- a/aquatic_http_load_test/src/config.rs
+++ b/aquatic_http_load_test/src/config.rs
@@ -1,18 +1,26 @@
 use std::net::SocketAddr;
 
+use aquatic_cli_helpers::LogLevel;
+use aquatic_common::cpu_pinning::CpuPinningConfig;
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(default)]
 pub struct Config {
     pub server_address: SocketAddr,
-    pub num_workers: u8,
+    pub log_level: LogLevel,
+    pub num_workers: usize,
     pub num_connections: usize,
     pub duration: usize,
     pub torrents: TorrentConfig,
+    pub cpu_pinning: CpuPinningConfig,
 }
 
-impl aquatic_cli_helpers::Config for Config {}
+impl aquatic_cli_helpers::Config for Config {
+    fn get_log_level(&self) -> Option<LogLevel> {
+        Some(self.log_level)
+    }
+}
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(default)]
@@ -36,10 +44,12 @@ impl Default for Config {
     fn default() -> Self {
         Self {
             server_address: "127.0.0.1:3000".parse().unwrap(),
+            log_level: LogLevel::Error,
             num_workers: 1,
             num_connections: 8,
             duration: 0,
             torrents: TorrentConfig::default(),
+            cpu_pinning: CpuPinningConfig::default_for_load_test(),
         }
     }
 }
diff --git a/aquatic_http_load_test/src/main.rs b/aquatic_http_load_test/src/main.rs
index e719f77..0dd5b25 100644
--- a/aquatic_http_load_test/src/main.rs
+++ b/aquatic_http_load_test/src/main.rs
@@ -3,6 +3,7 @@ use std::thread;
 use std::time::{Duration, Instant};
 
 use ::glommio::LocalExecutorBuilder;
+use aquatic_common::cpu_pinning::{pin_current_if_configured_to, WorkerIndex};
 use rand::prelude::*;
 use rand_distr::Pareto;
 
@@ -56,18 +57,30 @@ fn run(config: Config) -> ::anyhow::Result<()> {
 
     let tls_config = create_tls_config().unwrap();
 
-    for _ in 0..config.num_workers {
+    for i in 0..config.num_workers {
         let config = config.clone();
         let tls_config = tls_config.clone();
         let state = state.clone();
 
         LocalExecutorBuilder::default()
-            .spawn(|| async move {
+            .spawn(move || async move {
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.num_workers,
+                    WorkerIndex::SocketWorker(i),
+                );
+
                 run_socket_thread(config, tls_config, state).await.unwrap();
             })
             .unwrap();
     }
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.num_workers as usize,
+        WorkerIndex::Other,
+    );
+
     monitor_statistics(state, &config);
 
     Ok(())
diff --git a/aquatic_udp/Cargo.toml b/aquatic_udp/Cargo.toml
index b0ea491..0fe4479 100644
--- a/aquatic_udp/Cargo.toml
+++ b/aquatic_udp/Cargo.toml
@@ -25,7 +25,6 @@ aquatic_cli_helpers = "0.1.0"
 aquatic_common = "0.1.0"
 aquatic_udp_protocol = "0.1.0"
 cfg-if = "1"
-core_affinity = "0.5"
 hex = "0.4"
 log = "0.4"
 mimalloc = { version = "0.1", default-features = false }
diff --git a/aquatic_udp/src/lib/glommio/mod.rs b/aquatic_udp/src/lib/glommio/mod.rs
index 6836ed2..058f5e9 100644
--- a/aquatic_udp/src/lib/glommio/mod.rs
+++ b/aquatic_udp/src/lib/glommio/mod.rs
@@ -1,6 +1,7 @@
 use std::sync::{atomic::AtomicUsize, Arc};
 
 use aquatic_common::access_list::update_access_list;
+use aquatic_common::cpu_pinning::{pin_current_if_configured_to, WorkerIndex};
 use aquatic_common::privileges::drop_privileges_after_socket_binding;
 use glommio::channels::channel_mesh::MeshBuilder;
 use glommio::prelude::*;
@@ -18,12 +19,6 @@ pub mod network;
 pub const SHARED_CHANNEL_SIZE: usize = 4096;
 
 pub fn run(config: Config) -> ::anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     let state = State::default();
 
     update_access_list(&config.access_list, &state.access_list)?;
@@ -37,6 +32,12 @@ pub fn run(config: Config) -> ::anyhow::Result<()> {
         ::std::thread::spawn(move || run_inner(config, state));
     }
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     for signal in &mut signals {
         match signal {
             SIGUSR1 => {
@@ -50,12 +51,6 @@ pub fn run(config: Config) -> ::anyhow::Result<()> {
 }
 
 pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     let num_peers = config.socket_workers + config.request_workers;
 
     let request_mesh_builder = MeshBuilder::partial(num_peers, SHARED_CHANNEL_SIZE);
@@ -72,13 +67,13 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
         let response_mesh_builder = response_mesh_builder.clone();
         let num_bound_sockets = num_bound_sockets.clone();
 
-        let mut builder = LocalExecutorBuilder::default();
+        let executor = LocalExecutorBuilder::default().spawn(move || async move {
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.socket_workers,
+                WorkerIndex::SocketWorker(i),
+            );
 
-        if config.cpu_pinning.active {
-            builder = builder.pin_to_cpu(config.cpu_pinning.offset + 1 + i);
-        }
-
-        let executor = builder.spawn(|| async move {
             network::run_socket_worker(
                 config,
                 state,
@@ -98,13 +93,13 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
         let request_mesh_builder = request_mesh_builder.clone();
         let response_mesh_builder = response_mesh_builder.clone();
 
-        let mut builder = LocalExecutorBuilder::default();
+        let executor = LocalExecutorBuilder::default().spawn(move || async move {
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.socket_workers,
+                WorkerIndex::RequestWorker(i),
+            );
 
-        if config.cpu_pinning.active {
-            builder = builder.pin_to_cpu(config.cpu_pinning.offset + 1 + config.socket_workers + i);
-        }
-
-        let executor = builder.spawn(|| async move {
             handlers::run_request_worker(config, state, request_mesh_builder, response_mesh_builder)
                 .await
         });
@@ -119,6 +114,12 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
     )
     .unwrap();
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     for executor in executors {
         executor
             .expect("failed to spawn local executor")
diff --git a/aquatic_udp/src/lib/mio/mod.rs b/aquatic_udp/src/lib/mio/mod.rs
index f21f9e7..16ac519 100644
--- a/aquatic_udp/src/lib/mio/mod.rs
+++ b/aquatic_udp/src/lib/mio/mod.rs
@@ -3,6 +3,7 @@ use std::thread::Builder;
 use std::time::Duration;
 
 use anyhow::Context;
+use aquatic_common::cpu_pinning::{pin_current_if_configured_to, WorkerIndex};
 use aquatic_common::privileges::drop_privileges_after_socket_binding;
 use crossbeam_channel::unbounded;
 
@@ -20,12 +21,6 @@ pub mod tasks;
 use common::State;
 
 pub fn run(config: Config) -> ::anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     let state = State::default();
 
     update_access_list(&config.access_list, &state.access_list)?;
@@ -39,6 +34,12 @@ pub fn run(config: Config) -> ::anyhow::Result<()> {
         ::std::thread::spawn(move || run_inner(config, state));
     }
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     for signal in &mut signals {
         match signal {
             SIGUSR1 => {
@@ -52,12 +53,6 @@ pub fn run(config: Config) -> ::anyhow::Result<()> {
 }
 
 pub fn run_inner(config: Config, state: State) -> ::anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     let num_bound_sockets = Arc::new(AtomicUsize::new(0));
 
     let (request_sender, request_receiver) = unbounded();
@@ -72,11 +67,11 @@ pub fn run_inner(config: Config, state: State) -> ::anyhow::Result<()> {
         Builder::new()
             .name(format!("request-{:02}", i + 1))
             .spawn(move || {
-                if config.cpu_pinning.active {
-                    core_affinity::set_for_current(core_affinity::CoreId {
-                        id: config.cpu_pinning.offset + 1 + i,
-                    });
-                }
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.socket_workers,
+                    WorkerIndex::RequestWorker(i),
+                );
 
                 handlers::run_request_worker(state, config, request_receiver, response_sender)
             })
@@ -93,11 +88,11 @@ pub fn run_inner(config: Config, state: State) -> ::anyhow::Result<()> {
         Builder::new()
             .name(format!("socket-{:02}", i + 1))
             .spawn(move || {
-                if config.cpu_pinning.active {
-                    core_affinity::set_for_current(core_affinity::CoreId {
-                        id: config.cpu_pinning.offset + 1 + config.request_workers + i,
-                    });
-                }
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.socket_workers,
+                    WorkerIndex::SocketWorker(i),
+                );
 
                 network::run_socket_worker(
                     state,
@@ -118,11 +113,11 @@ pub fn run_inner(config: Config, state: State) -> ::anyhow::Result<()> {
         Builder::new()
             .name("statistics-collector".to_string())
             .spawn(move || {
-                if config.cpu_pinning.active {
-                    core_affinity::set_for_current(core_affinity::CoreId {
-                        id: config.cpu_pinning.offset,
-                    });
-                }
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.socket_workers,
+                    WorkerIndex::Other,
+                );
 
                 loop {
                     ::std::thread::sleep(Duration::from_secs(config.statistics.interval));
@@ -140,6 +135,12 @@ pub fn run_inner(config: Config, state: State) -> ::anyhow::Result<()> {
     )
     .unwrap();
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     loop {
         ::std::thread::sleep(Duration::from_secs(
             config.cleaning.torrent_cleaning_interval,
diff --git a/aquatic_udp_load_test/Cargo.toml b/aquatic_udp_load_test/Cargo.toml
index f437d60..fdef0ea 100644
--- a/aquatic_udp_load_test/Cargo.toml
+++ b/aquatic_udp_load_test/Cargo.toml
@@ -12,8 +12,8 @@ name = "aquatic_udp_load_test"
 [dependencies]
 anyhow = "1"
 aquatic_cli_helpers = "0.1.0"
+aquatic_common = "0.1.0"
 aquatic_udp_protocol = "0.1.0"
-core_affinity = "0.5"
 crossbeam-channel = "0.5"
 hashbrown = "0.11.2"
 mimalloc = { version = "0.1", default-features = false }
diff --git a/aquatic_udp_load_test/src/common.rs b/aquatic_udp_load_test/src/common.rs
index d3ec752..83a6a1b 100644
--- a/aquatic_udp_load_test/src/common.rs
+++ b/aquatic_udp_load_test/src/common.rs
@@ -1,6 +1,8 @@
 use std::net::SocketAddr;
 use std::sync::{atomic::AtomicUsize, Arc};
 
+use aquatic_cli_helpers::LogLevel;
+use aquatic_common::cpu_pinning::CpuPinningConfig;
 use hashbrown::HashMap;
 use parking_lot::Mutex;
 use serde::{Deserialize, Serialize};
@@ -15,6 +17,7 @@ pub struct ThreadId(pub u8);
 pub struct Config {
     /// Server address
     pub server_address: SocketAddr,
+    pub log_level: LogLevel,
     /// Number of sockets and socket worker threads
     ///
     /// Sockets will bind to one port each, and with
@@ -27,7 +30,7 @@ pub struct Config {
     pub duration: usize,
     pub network: NetworkConfig,
     pub handler: HandlerConfig,
-    pub core_affinity: CoreAffinityConfig,
+    pub cpu_pinning: CpuPinningConfig,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -97,23 +100,17 @@ pub struct HandlerConfig {
     pub additional_request_factor: f64,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
-#[serde(default)]
-pub struct CoreAffinityConfig {
-    /// Set core affinities, descending from last core
-    pub set_affinities: bool,
-}
-
 impl Default for Config {
     fn default() -> Self {
         Self {
             server_address: "127.0.0.1:3000".parse().unwrap(),
+            log_level: LogLevel::Error,
             num_socket_workers: 1,
             num_request_workers: 1,
             duration: 0,
             network: NetworkConfig::default(),
             handler: HandlerConfig::default(),
-            core_affinity: CoreAffinityConfig::default(),
+            cpu_pinning: CpuPinningConfig::default_for_load_test(),
         }
     }
 }
@@ -192,11 +189,3 @@ pub struct SocketWorkerLocalStatistics {
     pub responses_scrape: usize,
     pub responses_error: usize,
 }
-
-impl Default for CoreAffinityConfig {
-    fn default() -> Self {
-        Self {
-            set_affinities: false,
-        }
-    }
-}
diff --git a/aquatic_udp_load_test/src/main.rs b/aquatic_udp_load_test/src/main.rs
index 92be3bb..261cc5a 100644
--- a/aquatic_udp_load_test/src/main.rs
+++ b/aquatic_udp_load_test/src/main.rs
@@ -3,6 +3,7 @@ use std::sync::{atomic::Ordering, Arc};
 use std::thread;
 use std::time::{Duration, Instant};
 
+use aquatic_common::cpu_pinning::{pin_current_if_configured_to, WorkerIndex};
 use crossbeam_channel::unbounded;
 use hashbrown::HashMap;
 use parking_lot::Mutex;
@@ -30,18 +31,13 @@ pub fn main() {
     )
 }
 
-impl aquatic_cli_helpers::Config for Config {}
+impl aquatic_cli_helpers::Config for Config {
+    fn get_log_level(&self) -> Option<aquatic_cli_helpers::LogLevel> {
+        Some(self.log_level)
+    }
+}
 
 fn run(config: Config) -> ::anyhow::Result<()> {
-    let affinity_max = core_affinity::get_core_ids()
-        .map(|ids| ids.iter().map(|id| id.id).max())
-        .flatten()
-        .unwrap_or(0);
-
-    if config.core_affinity.set_affinities {
-        core_affinity::set_for_current(core_affinity::CoreId { id: affinity_max });
-    }
-
     if config.handler.weight_announce + config.handler.weight_connect + config.handler.weight_scrape
         == 0
     {
@@ -50,6 +46,12 @@ fn run(config: Config) -> ::anyhow::Result<()> {
 
     println!("Starting client with config: {:#?}", config);
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.num_socket_workers as usize,
+        WorkerIndex::Other,
+    );
+
     let mut info_hashes = Vec::with_capacity(config.handler.number_of_torrents);
 
     for _ in 0..config.handler.number_of_torrents {
@@ -101,11 +103,11 @@ fn run(config: Config) -> ::anyhow::Result<()> {
         let state = state.clone();
 
         thread::spawn(move || {
-            if config.core_affinity.set_affinities {
-                core_affinity::set_for_current(core_affinity::CoreId {
-                    id: affinity_max - 1 - i as usize,
-                });
-            }
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.num_socket_workers as usize,
+                WorkerIndex::SocketWorker(i as usize),
+            );
 
             run_socket_thread(state, response_sender, receiver, &config, addr, thread_id)
         });
@@ -118,11 +120,11 @@ fn run(config: Config) -> ::anyhow::Result<()> {
         let response_receiver = response_receiver.clone();
 
         thread::spawn(move || {
-            if config.core_affinity.set_affinities {
-                core_affinity::set_for_current(core_affinity::CoreId {
-                    id: affinity_max - config.num_socket_workers as usize - 1 - i as usize,
-                });
-            }
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.num_socket_workers as usize,
+                WorkerIndex::RequestWorker(i as usize),
+            );
             run_handler_thread(&config, state, pareto, request_senders, response_receiver)
         });
     }
diff --git a/aquatic_ws/Cargo.toml b/aquatic_ws/Cargo.toml
index 98844d5..b76299c 100644
--- a/aquatic_ws/Cargo.toml
+++ b/aquatic_ws/Cargo.toml
@@ -26,7 +26,6 @@ aquatic_cli_helpers = "0.1.0"
 aquatic_common = "0.1.0"
 aquatic_ws_protocol = "0.1.0"
 cfg-if = "1"
-core_affinity = "0.5"
 either = "1"
 hashbrown = { version = "0.11.2", features = ["serde"] }
 log = "0.4"
diff --git a/aquatic_ws/src/lib/glommio/mod.rs b/aquatic_ws/src/lib/glommio/mod.rs
index 0c84499..17c4e2b 100644
--- a/aquatic_ws/src/lib/glommio/mod.rs
+++ b/aquatic_ws/src/lib/glommio/mod.rs
@@ -9,7 +9,10 @@ use std::{
 };
 
 use crate::config::Config;
-use aquatic_common::privileges::drop_privileges_after_socket_binding;
+use aquatic_common::{
+    cpu_pinning::{pin_current_if_configured_to, WorkerIndex},
+    privileges::drop_privileges_after_socket_binding,
+};
 
 use self::common::*;
 
@@ -18,12 +21,6 @@ use glommio::{channels::channel_mesh::MeshBuilder, prelude::*};
 const SHARED_CHANNEL_SIZE: usize = 1024;
 
 pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     let num_peers = config.socket_workers + config.request_workers;
 
     let request_mesh_builder = MeshBuilder::partial(num_peers, SHARED_CHANNEL_SIZE);
@@ -43,13 +40,13 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
         let response_mesh_builder = response_mesh_builder.clone();
         let num_bound_sockets = num_bound_sockets.clone();
 
-        let mut builder = LocalExecutorBuilder::default();
+        let executor = LocalExecutorBuilder::default().spawn(move || async move {
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.socket_workers,
+                WorkerIndex::SocketWorker(i),
+            );
 
-        if config.cpu_pinning.active {
-            builder = builder.pin_to_cpu(config.cpu_pinning.offset + 1 + i);
-        }
-
-        let executor = builder.spawn(|| async move {
             network::run_socket_worker(
                 config,
                 state,
@@ -70,13 +67,13 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
         let request_mesh_builder = request_mesh_builder.clone();
         let response_mesh_builder = response_mesh_builder.clone();
 
-        let mut builder = LocalExecutorBuilder::default();
+        let executor = LocalExecutorBuilder::default().spawn(move || async move {
+            pin_current_if_configured_to(
+                &config.cpu_pinning,
+                config.socket_workers,
+                WorkerIndex::RequestWorker(i),
+            );
 
-        if config.cpu_pinning.active {
-            builder = builder.pin_to_cpu(config.cpu_pinning.offset + 1 + config.socket_workers + i);
-        }
-
-        let executor = builder.spawn(|| async move {
             handlers::run_request_worker(config, state, request_mesh_builder, response_mesh_builder)
                 .await
         });
@@ -91,6 +88,12 @@ pub fn run_inner(config: Config, state: State) -> anyhow::Result<()> {
     )
     .unwrap();
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     for executor in executors {
         executor
             .expect("failed to spawn local executor")
diff --git a/aquatic_ws/src/lib/lib.rs b/aquatic_ws/src/lib/lib.rs
index 57e10a7..b9542b4 100644
--- a/aquatic_ws/src/lib/lib.rs
+++ b/aquatic_ws/src/lib/lib.rs
@@ -1,4 +1,7 @@
-use aquatic_common::access_list::update_access_list;
+use aquatic_common::{
+    access_list::update_access_list,
+    cpu_pinning::{pin_current_if_configured_to, WorkerIndex},
+};
 use cfg_if::cfg_if;
 use signal_hook::{consts::SIGUSR1, iterator::Signals};
 
@@ -14,12 +17,6 @@ pub mod mio;
 pub const APP_NAME: &str = "aquatic_ws: WebTorrent tracker";
 
 pub fn run(config: Config) -> ::anyhow::Result<()> {
-    if config.cpu_pinning.active {
-        core_affinity::set_for_current(core_affinity::CoreId {
-            id: config.cpu_pinning.offset,
-        });
-    }
-
     cfg_if!(
         if #[cfg(feature = "with-glommio")] {
             let state = glommio::common::State::default();
@@ -45,6 +42,12 @@ pub fn run(config: Config) -> ::anyhow::Result<()> {
         );
     }
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     for signal in &mut signals {
         match signal {
             SIGUSR1 => {
diff --git a/aquatic_ws/src/lib/mio/mod.rs b/aquatic_ws/src/lib/mio/mod.rs
index f793823..0becdd8 100644
--- a/aquatic_ws/src/lib/mio/mod.rs
+++ b/aquatic_ws/src/lib/mio/mod.rs
@@ -5,6 +5,7 @@ use std::thread::Builder;
 use std::time::Duration;
 
 use anyhow::Context;
+use aquatic_common::cpu_pinning::{pin_current_if_configured_to, WorkerIndex};
 use histogram::Histogram;
 use mio::{Poll, Waker};
 use native_tls::{Identity, TlsAcceptor};
@@ -25,6 +26,12 @@ pub fn run(config: Config, state: State) -> anyhow::Result<()> {
 
     // TODO: privdrop here instead
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.socket_workers,
+        WorkerIndex::Other,
+    );
+
     loop {
         ::std::thread::sleep(Duration::from_secs(
             config.cleaning.torrent_cleaning_interval,
@@ -69,6 +76,12 @@ pub fn start_workers(config: Config, state: State) -> anyhow::Result<()> {
         Builder::new()
             .name(format!("socket-{:02}", i + 1))
             .spawn(move || {
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.socket_workers,
+                    WorkerIndex::SocketWorker(i),
+                );
+
                 network::run_socket_worker(
                     config,
                     state,
@@ -121,6 +134,12 @@ pub fn start_workers(config: Config, state: State) -> anyhow::Result<()> {
         Builder::new()
             .name(format!("request-{:02}", i + 1))
             .spawn(move || {
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.socket_workers,
+                    WorkerIndex::RequestWorker(i),
+                );
+
                 handlers::run_request_worker(
                     config,
                     state,
@@ -137,10 +156,18 @@ pub fn start_workers(config: Config, state: State) -> anyhow::Result<()> {
 
         Builder::new()
             .name("statistics".to_string())
-            .spawn(move || loop {
-                ::std::thread::sleep(Duration::from_secs(config.statistics.interval));
+            .spawn(move || {
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.socket_workers,
+                    WorkerIndex::Other,
+                );
 
-                print_statistics(&state);
+                loop {
+                    ::std::thread::sleep(Duration::from_secs(config.statistics.interval));
+
+                    print_statistics(&state);
+                }
             })
             .expect("spawn statistics thread");
     }
diff --git a/aquatic_ws_load_test/Cargo.toml b/aquatic_ws_load_test/Cargo.toml
index 581f1de..67a02f2 100644
--- a/aquatic_ws_load_test/Cargo.toml
+++ b/aquatic_ws_load_test/Cargo.toml
@@ -13,6 +13,7 @@ name = "aquatic_ws_load_test"
 anyhow = "1"
 async-tungstenite = "0.15"
 aquatic_cli_helpers = "0.1.0"
+aquatic_common = "0.1.0"
 aquatic_ws_protocol = "0.1.0"
 futures = "0.3"
 futures-rustls = "0.22"
diff --git a/aquatic_ws_load_test/src/config.rs b/aquatic_ws_load_test/src/config.rs
index 10d4bdc..3bef7bc 100644
--- a/aquatic_ws_load_test/src/config.rs
+++ b/aquatic_ws_load_test/src/config.rs
@@ -1,18 +1,26 @@
 use std::net::SocketAddr;
 
+use aquatic_cli_helpers::LogLevel;
+use aquatic_common::cpu_pinning::CpuPinningConfig;
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(default)]
 pub struct Config {
     pub server_address: SocketAddr,
-    pub num_workers: u8,
+    pub log_level: LogLevel,
+    pub num_workers: usize,
     pub num_connections: usize,
     pub duration: usize,
     pub torrents: TorrentConfig,
+    pub cpu_pinning: CpuPinningConfig,
 }
 
-impl aquatic_cli_helpers::Config for Config {}
+impl aquatic_cli_helpers::Config for Config {
+    fn get_log_level(&self) -> Option<LogLevel> {
+        Some(self.log_level)
+    }
+}
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(default)]
@@ -37,10 +45,12 @@ impl Default for Config {
     fn default() -> Self {
         Self {
             server_address: "127.0.0.1:3000".parse().unwrap(),
+            log_level: LogLevel::Error,
             num_workers: 1,
             num_connections: 16,
             duration: 0,
             torrents: TorrentConfig::default(),
+            cpu_pinning: CpuPinningConfig::default_for_load_test(),
         }
     }
 }
diff --git a/aquatic_ws_load_test/src/main.rs b/aquatic_ws_load_test/src/main.rs
index 54f9208..05ed1a0 100644
--- a/aquatic_ws_load_test/src/main.rs
+++ b/aquatic_ws_load_test/src/main.rs
@@ -2,6 +2,7 @@ use std::sync::{atomic::Ordering, Arc};
 use std::thread;
 use std::time::{Duration, Instant};
 
+use aquatic_common::cpu_pinning::{pin_current_if_configured_to, WorkerIndex};
 use glommio::LocalExecutorBuilder;
 use rand::prelude::*;
 use rand_distr::Pareto;
@@ -51,18 +52,30 @@ fn run(config: Config) -> ::anyhow::Result<()> {
 
     let tls_config = create_tls_config().unwrap();
 
-    for _ in 0..config.num_workers {
+    for i in 0..config.num_workers {
         let config = config.clone();
         let tls_config = tls_config.clone();
         let state = state.clone();
 
         LocalExecutorBuilder::default()
-            .spawn(|| async move {
+            .spawn(move || async move {
+                pin_current_if_configured_to(
+                    &config.cpu_pinning,
+                    config.num_workers,
+                    WorkerIndex::SocketWorker(i),
+                );
+
                 run_socket_thread(config, tls_config, state).await.unwrap();
             })
             .unwrap();
     }
 
+    pin_current_if_configured_to(
+        &config.cpu_pinning,
+        config.num_workers as usize,
+        WorkerIndex::Other,
+    );
+
     monitor_statistics(state, &config);
 
     Ok(())
diff --git a/scripts/run-aquatic-udp.sh b/scripts/run-aquatic-udp.sh
index 6ccfb86..db41e58 100755
--- a/scripts/run-aquatic-udp.sh
+++ b/scripts/run-aquatic-udp.sh
@@ -1,5 +1,13 @@
-#!/bin/sh 
+#!/bin/bash
 
 . ./scripts/env-native-cpu-without-avx-512
 
-cargo run --release --bin aquatic_udp -- $@
+if [ "$1" != "mio" ] && [ "$1" != "glommio" ]; then
+    echo "Usage: $0 [mio|glommio] [ARGS]"
+else
+    if [ "$1" = "mio" ]; then
+        cargo run --release --bin aquatic_udp -- "${@:2}"
+    else
+        cargo run --release --features "with-glommio" --no-default-features --bin aquatic_udp -- "${@:2}"
+    fi
+fi
diff --git a/scripts/run-aquatic-ws.sh b/scripts/run-aquatic-ws.sh
index 40be253..5aadff6 100755
--- a/scripts/run-aquatic-ws.sh
+++ b/scripts/run-aquatic-ws.sh
@@ -1,5 +1,14 @@
-#!/bin/sh 
+#!/bin/bash
 
 . ./scripts/env-native-cpu-without-avx-512
 
-cargo run --release --bin aquatic_ws -- $@
+if [ "$1" != "mio" ] && [ "$1" != "glommio" ]; then
+    echo "Usage: $0 [mio|glommio] [ARGS]"
+else
+    if [ "$1" = "mio" ]; then
+        cargo run --release --bin aquatic_ws -- "${@:2}"
+    else
+        cargo run --release --features "with-glommio" --no-default-features --bin aquatic_ws -- "${@:2}"
+    fi
+fi
+