Record font mapping time

src/font/system.rs

@@ -17,17 +17,24 @@ impl FontSystem {
         log::info!("Locale: {}", locale);
 
         let mut db = fontdb::Database::new();
+        {
             let now = std::time::Instant::now();
+
             db.load_system_fonts();
             //TODO: configurable default fonts
             db.set_monospace_family("Fira Mono");
             db.set_sans_serif_family("Fira Sans");
             db.set_serif_family("DejaVu Serif");
+
             log::info!(
-            "Loaded {} font faces in {}ms.",
+                "Parsed {} font faces in {}ms.",
                 db.len(),
                 now.elapsed().as_millis()
             );
+        }
+
+        {
+            let now = std::time::Instant::now();
 
             //TODO only do this on demand!
             assert_eq!(db.len(), db.faces().len());
@@ -36,6 +43,13 @@ impl FontSystem {
                 unsafe { db.make_shared_face_data(id); }
             }
 
+            log::info!(
+                "Mapped {} font faces in {}ms.",
+                db.len(),
+                now.elapsed().as_millis()
+            );
+        }
+
         Self { locale, db }
     }