1 files changed, 30 insertions, 0 deletions
diff --git a/third_party/rust/log/benches/value.rs b/third_party/rust/log/benches/value.rs
new file mode 100644
index 0000000000..3dab3bf8b5
--- /dev/null
+++ b/third_party/rust/log/benches/value.rs
@@ -0,0 +1,30 @@
+#![cfg(feature = "kv_unstable")]
+#![feature(test)]
+
+extern crate log;
+extern crate test;
+
+use log::kv::Value;
+
+#[bench]
+fn u8_to_value(b: &mut test::Bencher) {
+    b.iter(|| Value::from(1u8))
+}
+
+#[bench]
+fn u8_to_value_debug(b: &mut test::Bencher) {
+    b.iter(|| Value::from_debug(&1u8))
+}
+
+#[bench]
+fn str_to_value_debug(b: &mut test::Bencher) {
+    b.iter(|| Value::from_debug(&"a string"))
+}
+
+#[bench]
+fn custom_to_value_debug(b: &mut test::Bencher) {
+    #[derive(Debug)]
+    struct A;
+
+    b.iter(|| Value::from_debug(&A))
+}