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This commit is contained in:
J. Nick Koston
2025-09-02 19:54:01 -05:00
parent c8a4a3b752
commit e90ae09354
1 changed files with 29 additions and 24 deletions
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35
esphome/core/scheduler.cpp
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@@ -104,30 +104,33 @@ void HOT Scheduler::set_timer_common_(Component *component, SchedulerItem::Type
// Take lock early to protect scheduler_item_pool_ access
LockGuard guard{this->lock_};
// Optimization: if we're updating a defer that hasn't executed yet, just update its callback
// Optimization: if we're updating a timeout that hasn't been added to heap yet, just update it in-place
// This avoids allocating a new item and cancelling/re-adding
if (delay == 0 && type == SchedulerItem::TIMEOUT && !skip_cancel && name_cstr != nullptr) {
#ifdef ESPHOME_THREAD_SINGLE
// Single-threaded: check to_add_ for defers that haven't been moved to heap yet
if (this->try_update_defer_in_container_(this->to_add_, component, name_cstr, std::move(func))) {
return;
}
#else
// Multi-threaded: check defer_queue_
if (this->try_update_defer_in_container_(this->defer_queue_, component, name_cstr, std::move(func))) {
if (type == SchedulerItem::TIMEOUT && !skip_cancel && name_cstr != nullptr) {
#ifndef ESPHOME_THREAD_SINGLE
// Multi-threaded: defers go to defer_queue_
if (delay == 0 && this->try_update_defer_in_container_(this->defer_queue_, component, name_cstr, std::move(func))) {
return;
}
#endif
}
// Optimization: if we're updating a timeout that's still in to_add_, just update it in-place
// This is common when timers are rapidly rescheduled (like api_reboot on connect/disconnect)
if (delay != 0 && type == SchedulerItem::TIMEOUT && !skip_cancel && name_cstr != nullptr && !this->to_add_.empty()) {
// Check if we can update an existing timeout in to_add_
if (!this->to_add_.empty()) {
auto &last_item = this->to_add_.back();
// Check if last item in to_add_ matches and can be updated
if (last_item->component == component && last_item->type == SchedulerItem::TIMEOUT &&
!is_item_removed_(last_item.get()) && this->names_match_(last_item->get_name(), name_cstr)) {
// Same timeout at the end of to_add_ - update it instead of creating new
// For defers (delay==0), only update callback
if (delay == 0 && last_item->interval == 0) {
last_item->callback = std::move(func);
#ifdef ESPHOME_DEBUG_SCHEDULER
ESP_LOGD(TAG, "Updated existing defer in to_add_ for '%s/%s'", component->get_component_source(),
name_cstr ? name_cstr : "(null)");
#endif
return;
}
// For regular timeouts, update callback and execution time
if (delay != 0) {
last_item->callback = std::move(func);
last_item->next_execution_ = now + delay;
#ifdef ESPHOME_DEBUG_SCHEDULER
@@ -137,6 +140,8 @@ void HOT Scheduler::set_timer_common_(Component *component, SchedulerItem::Type
return;
}
}
}
}
// Create and populate the scheduler item
std::unique_ptr<SchedulerItem> item;