runtime stats

.gitignore

@@ -143,3 +143,5 @@ sdkconfig.*
 /components
 /managed_components
 
+
+**/.claude/settings.local.json

esphome/components/runtime_stats/__init__.py

@@ -0,0 +1,26 @@
+"""
+Runtime statistics component for ESPHome.
+"""
+
+import esphome.codegen as cg
+import esphome.config_validation as cv
+
+DEPENDENCIES = []
+
+CONF_ENABLED = "enabled"
+CONF_LOG_INTERVAL = "log_interval"
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_ENABLED, default=True): cv.boolean,
+        cv.Optional(
+            CONF_LOG_INTERVAL, default=60000
+        ): cv.positive_time_period_milliseconds,
+    }
+)
+
+
+async def to_code(config):
+    """Generate code for the runtime statistics component."""
+    cg.add(cg.App.set_runtime_stats_enabled(config[CONF_ENABLED]))
+    cg.add(cg.App.set_runtime_stats_log_interval(config[CONF_LOG_INTERVAL]))

esphome/core/application.h

@@ -7,6 +7,7 @@
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/preferences.h"
+#include "esphome/core/runtime_stats.h"
 #include "esphome/core/scheduler.h"
 
 #ifdef USE_BINARY_SENSOR
@@ -234,6 +235,18 @@ class Application {
 
   uint32_t get_loop_interval() const { return this->loop_interval_; }
 
+  /** Enable or disable runtime statistics collection.
+   *
+   * @param enable Whether to enable runtime statistics collection.
+   */
+  void set_runtime_stats_enabled(bool enable) { runtime_stats.set_enabled(enable); }
+
+  /** Set the interval at which runtime statistics are logged.
+   *
+   * @param interval The interval in milliseconds between logging of runtime statistics.
+   */
+  void set_runtime_stats_log_interval(uint32_t interval) { runtime_stats.set_log_interval(interval); }
+
   void schedule_dump_config() { this->dump_config_at_ = 0; }
 
   void feed_wdt();

esphome/core/component.cpp

@@ -243,7 +243,13 @@ void PollingComponent::set_update_interval(uint32_t update_interval) { this->upd
 WarnIfComponentBlockingGuard::WarnIfComponentBlockingGuard(Component *component)
     : started_(millis()), component_(component) {}
 WarnIfComponentBlockingGuard::~WarnIfComponentBlockingGuard() {
-  uint32_t blocking_time = millis() - this->started_;
+  uint32_t current_time = millis();
+  uint32_t blocking_time = current_time - this->started_;
+
+  // Record component runtime stats
+  runtime_stats.record_component_time(this->component_, blocking_time, current_time);
+
+  // Original blocking check logic
   bool should_warn;
   if (this->component_ != nullptr) {
     should_warn = this->component_->should_warn_of_blocking(blocking_time);
@@ -254,7 +260,6 @@ WarnIfComponentBlockingGuard::~WarnIfComponentBlockingGuard() {
     const char *src = component_ == nullptr ? "<null>" : component_->get_component_source();
     ESP_LOGW(TAG, "Component %s took a long time for an operation (%" PRIu32 " ms).", src, blocking_time);
     ESP_LOGW(TAG, "Components should block for at most 30 ms.");
-    ;
   }
 }
 

esphome/core/component.h

@@ -6,6 +6,7 @@
 #include <string>
 
 #include "esphome/core/optional.h"
+#include "esphome/core/runtime_stats.h"
 
 namespace esphome {
 

esphome/core/runtime_stats.cpp

@@ -0,0 +1,28 @@
+#include "esphome/core/runtime_stats.h"
+#include "esphome/core/component.h"
+
+namespace esphome {
+
+RuntimeStatsCollector runtime_stats;
+
+void RuntimeStatsCollector::record_component_time(Component *component, uint32_t duration_ms, uint32_t current_time) {
+  if (!this->enabled_ || component == nullptr)
+    return;
+
+  const char *component_source = component->get_component_source();
+  this->component_stats_[component_source].record_time(duration_ms);
+
+  // If next_log_time_ is 0, initialize it
+  if (this->next_log_time_ == 0) {
+    this->next_log_time_ = current_time + this->log_interval_;
+    return;
+  }
+
+  if (current_time >= this->next_log_time_) {
+    this->log_stats_();
+    this->reset_stats_();
+    this->next_log_time_ = current_time + this->log_interval_;
+  }
+}
+
+}  // namespace esphome

esphome/core/runtime_stats.h

@@ -0,0 +1,114 @@
+#pragma once
+
+#include <map>
+#include <string>
+#include <vector>
+#include <cstdint>
+#include <algorithm>
+#include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+
+static const char *const RUNTIME_TAG = "runtime";
+
+class Component;  // Forward declaration
+
+class ComponentRuntimeStats {
+ public:
+  ComponentRuntimeStats() : count_(0), total_time_ms_(0), max_time_ms_(0) {}
+
+  void record_time(uint32_t duration_ms) {
+    this->count_++;
+    this->total_time_ms_ += duration_ms;
+
+    if (duration_ms > this->max_time_ms_)
+      this->max_time_ms_ = duration_ms;
+  }
+
+  void reset() {
+    this->count_ = 0;
+    this->total_time_ms_ = 0;
+    this->max_time_ms_ = 0;
+  }
+
+  uint32_t get_count() const { return this->count_; }
+  uint32_t get_total_time_ms() const { return this->total_time_ms_; }
+  uint32_t get_max_time_ms() const { return this->max_time_ms_; }
+  float get_avg_time_ms() const {
+    return this->count_ > 0 ? this->total_time_ms_ / static_cast<float>(this->count_) : 0.0f;
+  }
+
+ protected:
+  uint32_t count_;
+  uint32_t total_time_ms_;
+  uint32_t max_time_ms_;
+};
+
+// For sorting components by total run time
+struct ComponentStatPair {
+  std::string name;
+  const ComponentRuntimeStats *stats;
+
+  bool operator>(const ComponentStatPair &other) const {
+    return stats->get_total_time_ms() > other.stats->get_total_time_ms();
+  }
+};
+
+class RuntimeStatsCollector {
+ public:
+  RuntimeStatsCollector() : log_interval_(60000), next_log_time_(0), enabled_(true) {}
+
+  void set_log_interval(uint32_t log_interval) { this->log_interval_ = log_interval; }
+  uint32_t get_log_interval() const { return this->log_interval_; }
+
+  void set_enabled(bool enabled) { this->enabled_ = enabled; }
+  bool is_enabled() const { return this->enabled_; }
+
+  void record_component_time(Component *component, uint32_t duration_ms, uint32_t current_time);
+
+ protected:
+  void log_stats_() {
+    ESP_LOGI(RUNTIME_TAG, "Component Runtime Statistics (over last %" PRIu32 "ms):", this->log_interval_);
+
+    // First collect stats we want to display
+    std::vector<ComponentStatPair> stats_to_display;
+
+    for (const auto &it : this->component_stats_) {
+      const ComponentRuntimeStats &stats = it.second;
+      if (stats.get_count() > 0) {
+        ComponentStatPair pair = {it.first, &stats};
+        stats_to_display.push_back(pair);
+      }
+    }
+
+    // Sort by total runtime (descending)
+    std::sort(stats_to_display.begin(), stats_to_display.end(), std::greater<ComponentStatPair>());
+
+    // Log top components by runtime
+    for (const auto &it : stats_to_display) {
+      const std::string &source = it.name;
+      const ComponentRuntimeStats *stats = it.stats;
+
+      ESP_LOGI(RUNTIME_TAG, "  %s: count=%" PRIu32 ", avg=%.2fms, max=%" PRIu32 "ms, total=%" PRIu32 "ms",
+               source.c_str(), stats->get_count(), stats->get_avg_time_ms(), stats->get_max_time_ms(),
+               stats->get_total_time_ms());
+    }
+  }
+
+  void reset_stats_() {
+    for (auto &it : this->component_stats_) {
+      it.second.reset();
+    }
+  }
+
+  std::map<std::string, ComponentRuntimeStats> component_stats_;
+  uint32_t log_interval_;
+  uint32_t next_log_time_;
+  bool enabled_;
+};
+
+// Global instance for runtime stats collection
+extern RuntimeStatsCollector runtime_stats;
+
+}  // namespace esphome