From ec035d7a9c98201dcc61baa275e83d312d2874de Mon Sep 17 00:00:00 2001
From: Danila Gornushko <me@okhsunrog.dev>
Date: Mon, 19 May 2025 10:15:31 +0300
Subject: [PATCH] Remove the Unused section for esp-alloc stats (#3486)

* remove the Unused section for esp-alloc stats

* added changes to the CHANGELOG.md
---
 esp-alloc/CHANGELOG.md |  2 ++
 esp-alloc/src/lib.rs   | 11 -----------
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/esp-alloc/CHANGELOG.md b/esp-alloc/CHANGELOG.md
index 187d4362e..e4ece6b43 100644
--- a/esp-alloc/CHANGELOG.md
+++ b/esp-alloc/CHANGELOG.md
@@ -11,8 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `allocator_api2` to support allocator APIs on stable Rust. (#3318)
 - `AnyMemory`, `InternalMemory`, `ExternalMemory` allocators. (#3318)
+- Removed the `Unused` section for `stats()` to make the output cleaner (#3486)
 
 ### Changed
+
 - Bump Rust edition to 2024, bump MSRV to 1.85. (#3391)
 - Update `defmt` to 1.0 (#3416)
 
diff --git a/esp-alloc/src/lib.rs b/esp-alloc/src/lib.rs
index 3b91b12f7..d0eed0941 100644
--- a/esp-alloc/src/lib.rs
+++ b/esp-alloc/src/lib.rs
@@ -130,8 +130,6 @@
 //! Total allocated: 46148
 //! Memory Layout:
 //! Internal | ████████████░░░░░░░░░░░░░░░░░░░░░░░ | Used: 35% (Used 46148 of 131068, free: 84920)
-//! Unused   | ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ |
-//! Unused   | ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ |
 //! ```
 //! ## Feature Flags
 #![doc = document_features::document_features!()]
@@ -338,11 +336,6 @@ impl Display for HeapStats {
             if let Some(region) = region.as_ref() {
                 region.fmt(f)?;
                 writeln!(f)?;
-            } else {
-                // Display unused memory regions
-                write!(f, "Unused   | ")?;
-                write_bar(f, 0)?;
-                writeln!(f, " |")?;
             }
         }
         Ok(())
@@ -365,10 +358,6 @@ impl defmt::Format for HeapStats {
         for region in self.region_stats.iter() {
             if let Some(region) = region.as_ref() {
                 defmt::write!(fmt, "{}\n", region);
-            } else {
-                defmt::write!(fmt, "Unused   | ");
-                write_bar_defmt(fmt, 0);
-                defmt::write!(fmt, " |\n");
             }
         }
     }