From 07a4f6f53c16971d6f2287d28d4caaa8768a4f07 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 8 Jul 2025 09:40:12 -0600
Subject: [PATCH] fixes

---
 esphome/components/runtime_stats/runtime_stats.cpp |  8 ++++----
 esphome/components/runtime_stats/runtime_stats.h   | 14 +++++++++-----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/esphome/components/runtime_stats/runtime_stats.cpp b/esphome/components/runtime_stats/runtime_stats.cpp
index 72411ffd6f..9d87534fec 100644
--- a/esphome/components/runtime_stats/runtime_stats.cpp
+++ b/esphome/components/runtime_stats/runtime_stats.cpp
@@ -58,10 +58,10 @@ void RuntimeStatsCollector::log_stats_() {
 
   // Log top components by period runtime
   for (const auto &it : stats_to_display) {
-    const std::string &source = it.name;
+    const char *source = it.name;
     const ComponentRuntimeStats *stats = it.stats;
 
-    ESP_LOGI(TAG, "  %s: count=%" PRIu32 ", avg=%.2fms, max=%" PRIu32 "ms, total=%" PRIu32 "ms", source.c_str(),
+    ESP_LOGI(TAG, "  %s: count=%" PRIu32 ", avg=%.2fms, max=%" PRIu32 "ms, total=%" PRIu32 "ms", source,
              stats->get_period_count(), stats->get_period_avg_time_ms(), stats->get_period_max_time_ms(),
              stats->get_period_time_ms());
   }
@@ -76,10 +76,10 @@ void RuntimeStatsCollector::log_stats_() {
             });
 
   for (const auto &it : stats_to_display) {
-    const std::string &source = it.name;
+    const char *source = it.name;
     const ComponentRuntimeStats *stats = it.stats;
 
-    ESP_LOGI(TAG, "  %s: count=%" PRIu32 ", avg=%.2fms, max=%" PRIu32 "ms, total=%" PRIu32 "ms", source.c_str(),
+    ESP_LOGI(TAG, "  %s: count=%" PRIu32 ", avg=%.2fms, max=%" PRIu32 "ms, total=%" PRIu32 "ms", source,
              stats->get_total_count(), stats->get_total_avg_time_ms(), stats->get_total_max_time_ms(),
              stats->get_total_time_ms());
   }
diff --git a/esphome/components/runtime_stats/runtime_stats.h b/esphome/components/runtime_stats/runtime_stats.h
index 5f258469a1..36572e2094 100644
--- a/esphome/components/runtime_stats/runtime_stats.h
+++ b/esphome/components/runtime_stats/runtime_stats.h
@@ -5,9 +5,9 @@
 #ifdef USE_RUNTIME_STATS
 
 #include <map>
-#include <string>
 #include <vector>
 #include <cstdint>
+#include <cstring>
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
@@ -79,7 +79,7 @@ class ComponentRuntimeStats {
 
 // For sorting components by run time
 struct ComponentStatPair {
-  std::string name;
+  const char *name;
   const ComponentRuntimeStats *stats;
 
   bool operator>(const ComponentStatPair &other) const {
@@ -109,9 +109,13 @@ class RuntimeStatsCollector {
     }
   }
 
-  // Back to string keys, but we'll cache the source name per component
-  std::map<std::string, ComponentRuntimeStats> component_stats_;
-  std::map<Component *, std::string> component_names_cache_;
+  // Use const char* keys for efficiency
+  // Custom comparator for const char* keys in map
+  struct CStrCompare {
+    bool operator()(const char *a, const char *b) const { return std::strcmp(a, b) < 0; }
+  };
+  std::map<const char *, ComponentRuntimeStats, CStrCompare> component_stats_;
+  std::map<Component *, const char *> component_names_cache_;
   uint32_t log_interval_;
   uint32_t next_log_time_;
 };