diff --git a/Cargo.lock b/Cargo.lock
index fb55c8af922..de79e18f122 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4260,6 +4260,15 @@ dependencies = [
  "tendril",
 ]
 
+[[package]]
+name = "matchers"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
+dependencies = [
+ "regex-automata 0.1.10",
+]
+
 [[package]]
 name = "matches"
 version = "0.1.10"
@@ -5803,7 +5812,16 @@ dependencies = [
  "aho-corasick",
  "memchr",
  "regex-automata 0.4.8",
- "regex-syntax",
+ "regex-syntax 0.8.5",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+dependencies = [
+ "regex-syntax 0.6.29",
 ]
 
 [[package]]
@@ -5823,9 +5841,15 @@ checksum = "368758f23274712b504848e9d5a6f010445cc8b87a7cdb4d7cbee666c1288da3"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax",
+ "regex-syntax 0.8.5",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.6.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
+
 [[package]]
 name = "regex-syntax"
 version = "0.8.5"
@@ -7533,10 +7557,14 @@ version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
 dependencies = [
+ "matchers",
  "nu-ansi-term",
+ "once_cell",
+ "regex",
  "sharded-slab",
  "smallvec",
  "thread_local",
+ "tracing",
  "tracing-core",
  "tracing-log",
 ]
diff --git a/ports/servoshell/Cargo.toml b/ports/servoshell/Cargo.toml
index ea2e5584640..a1d0cbf3829 100644
--- a/ports/servoshell/Cargo.toml
+++ b/ports/servoshell/Cargo.toml
@@ -67,7 +67,7 @@ url = { workspace = true }
 servo-media = { workspace = true }
 tokio = { workspace = true }
 tracing = { workspace = true, optional = true }
-tracing-subscriber = { workspace = true, optional = true }
+tracing-subscriber = { workspace = true, optional = true, features = ["env-filter"] }
 tracing-perfetto = { workspace = true, optional = true }
 
 [target.'cfg(target_os = "android")'.dependencies]
diff --git a/ports/servoshell/lib.rs b/ports/servoshell/lib.rs
index c28ccbf79cd..ed29f6284e3 100644
--- a/ports/servoshell/lib.rs
+++ b/ports/servoshell/lib.rs
@@ -44,11 +44,11 @@ pub fn main() {
 pub fn init_tracing() {
     #[cfg(feature = "tracing")]
     {
+        use tracing_subscriber::layer::SubscriberExt;
         let subscriber = tracing_subscriber::registry();
 
         #[cfg(feature = "tracing-perfetto")]
         let subscriber = {
-            use tracing_subscriber::layer::SubscriberExt;
             // Set up a PerfettoLayer for performance tracing.
             // The servo.pftrace file can be uploaded to https://ui.perfetto.dev for analysis.
             let file = std::fs::File::create("servo.pftrace").unwrap();
@@ -59,11 +59,18 @@ pub fn init_tracing() {
 
         #[cfg(feature = "tracing-hitrace")]
         let subscriber = {
-            use tracing_subscriber::layer::SubscriberExt;
             // Set up a HitraceLayer for performance tracing.
             subscriber.with(HitraceLayer::default())
         };
 
+        // Filter events and spans by the directives in SERVO_TRACING, using EnvFilter as a global filter.
+        // <https://docs.rs/tracing-subscriber/0.3.18/tracing_subscriber/layer/index.html#global-filtering>
+        let filter = tracing_subscriber::EnvFilter::builder()
+            .with_default_directive(tracing::level_filters::LevelFilter::OFF.into())
+            .with_env_var("SERVO_TRACING")
+            .from_env_lossy();
+        let subscriber = subscriber.with(filter);
+
         // Same as SubscriberInitExt::init, but avoids initialising the tracing-log compat layer,
         // since it would break Servo’s FromScriptLogger and FromCompositorLogger.
         // <https://docs.rs/tracing-subscriber/0.3.18/tracing_subscriber/util/trait.SubscriberInitExt.html#method.init>
diff --git a/servo-tidy.toml b/servo-tidy.toml
index 04db7e8fa5f..7fbfda0422d 100644
--- a/servo-tidy.toml
+++ b/servo-tidy.toml
@@ -76,6 +76,11 @@ packages = [
     # tracing-subscriber -> matchers -> regex-automata 0.1.0
     "regex-automata",
 
+    # tracing-subscriber (tokio-rs/tracing#3033) uses old version
+    # regex [-> regex-automata 0.4.7] -> regex-syntax 0.8.4
+    # tracing-subscriber -> matchers -> regex-automata 0.1.0 -> regex-syntax 0.6.29
+    "regex-syntax",
+
     # gilrs is on 0.10.0, but Servo is still on 0.9.4
     "core-foundation",