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[sensor] Optimize sliding window filters to eliminate heap fragmentation (#11282)

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This commit is contained in:
J. Nick Koston
2025-10-20 07:59:47 +13:00
committed by GitHub
parent 0266c897c9
commit 85babe85e4
14 changed files with 1697 additions and 234 deletions
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tests/integration/fixtures/sensor_filters_batch_window.yaml
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esphome:
name: test-batch-window-filters
host:
api:
batch_delay: 0ms # Disable batching to receive all state updates
logger:
level: DEBUG
# Template sensor that we'll use to publish values
sensor:
- platform: template
name: "Source Sensor"
id: source_sensor
accuracy_decimals: 2
# Batch window filters (window_size == send_every) - use streaming filters
- platform: copy
source_id: source_sensor
name: "Min Sensor"
id: min_sensor
filters:
- min:
window_size: 5
send_every: 5
send_first_at: 1
- platform: copy
source_id: source_sensor
name: "Max Sensor"
id: max_sensor
filters:
- max:
window_size: 5
send_every: 5
send_first_at: 1
- platform: copy
source_id: source_sensor
name: "Moving Avg Sensor"
id: moving_avg_sensor
filters:
- sliding_window_moving_average:
window_size: 5
send_every: 5
send_first_at: 1
# Button to trigger publishing test values
button:
- platform: template
name: "Publish Values Button"
id: publish_button
on_press:
- lambda: |-
// Publish 10 values: 1.0, 2.0, ..., 10.0
for (int i = 1; i <= 10; i++) {
id(source_sensor).publish_state(float(i));
}
tests/integration/fixtures/sensor_filters_nan_handling.yaml
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esphome:
name: test-nan-handling
host:
api:
batch_delay: 0ms # Disable batching to receive all state updates
logger:
level: DEBUG
sensor:
- platform: template
name: "Source NaN Sensor"
id: source_nan_sensor
accuracy_decimals: 2
- platform: copy
source_id: source_nan_sensor
name: "Min NaN Sensor"
id: min_nan_sensor
filters:
- min:
window_size: 5
send_every: 5
send_first_at: 1
- platform: copy
source_id: source_nan_sensor
name: "Max NaN Sensor"
id: max_nan_sensor
filters:
- max:
window_size: 5
send_every: 5
send_first_at: 1
script:
- id: publish_nan_values_script
then:
- sensor.template.publish:
id: source_nan_sensor
state: 10.0
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: !lambda 'return NAN;'
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: 5.0
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: !lambda 'return NAN;'
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: 15.0
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: 8.0
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: !lambda 'return NAN;'
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: 12.0
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: 3.0
- delay: 20ms
- sensor.template.publish:
id: source_nan_sensor
state: !lambda 'return NAN;'
button:
- platform: template
name: "Publish NaN Values Button"
id: publish_nan_button
on_press:
- script.execute: publish_nan_values_script
tests/integration/fixtures/sensor_filters_ring_buffer.yaml
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esphome:
name: test-sliding-window-filters
host:
api:
batch_delay: 0ms # Disable batching to receive all state updates
logger:
level: DEBUG
# Template sensor that we'll use to publish values
sensor:
- platform: template
name: "Source Sensor"
id: source_sensor
accuracy_decimals: 2
# ACTUAL sliding window filters (window_size != send_every) - use ring buffers
# Window of 5, send every 2 values
- platform: copy
source_id: source_sensor
name: "Sliding Min Sensor"
id: sliding_min_sensor
filters:
- min:
window_size: 5
send_every: 2
send_first_at: 1
- platform: copy
source_id: source_sensor
name: "Sliding Max Sensor"
id: sliding_max_sensor
filters:
- max:
window_size: 5
send_every: 2
send_first_at: 1
- platform: copy
source_id: source_sensor
name: "Sliding Median Sensor"
id: sliding_median_sensor
filters:
- median:
window_size: 5
send_every: 2
send_first_at: 1
- platform: copy
source_id: source_sensor
name: "Sliding Moving Avg Sensor"
id: sliding_moving_avg_sensor
filters:
- sliding_window_moving_average:
window_size: 5
send_every: 2
send_first_at: 1
# Button to trigger publishing test values
script:
- id: publish_values_script
then:
# Publish 10 values: 1.0, 2.0, ..., 10.0
# With window_size=5, send_every=2, send_first_at=1:
# - Output at position 1: window=[1], min=1, max=1, median=1, avg=1
# - Output at position 3: window=[1,2,3], min=1, max=3, median=2, avg=2
# - Output at position 5: window=[1,2,3,4,5], min=1, max=5, median=3, avg=3
# - Output at position 7: window=[3,4,5,6,7], min=3, max=7, median=5, avg=5
# - Output at position 9: window=[5,6,7,8,9], min=5, max=9, median=7, avg=7
- sensor.template.publish:
id: source_sensor
state: 1.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 2.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 3.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 4.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 5.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 6.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 7.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 8.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 9.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 10.0
button:
- platform: template
name: "Publish Values Button"
id: publish_button
on_press:
- script.execute: publish_values_script
tests/integration/fixtures/sensor_filters_ring_buffer_wraparound.yaml
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esphome:
name: test-ring-buffer-wraparound
host:
api:
batch_delay: 0ms # Disable batching to receive all state updates
logger:
level: DEBUG
sensor:
- platform: template
name: "Source Wraparound Sensor"
id: source_wraparound
accuracy_decimals: 2
- platform: copy
source_id: source_wraparound
name: "Wraparound Min Sensor"
id: wraparound_min_sensor
filters:
- min:
window_size: 3
send_every: 3
send_first_at: 1
script:
- id: publish_wraparound_script
then:
# Publish 9 values to test ring buffer wraparound
# Values: 10, 20, 30, 5, 25, 15, 40, 35, 20
- sensor.template.publish:
id: source_wraparound
state: 10.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 20.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 30.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 5.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 25.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 15.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 40.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 35.0
- delay: 20ms
- sensor.template.publish:
id: source_wraparound
state: 20.0
button:
- platform: template
name: "Publish Wraparound Button"
id: publish_wraparound_button
on_press:
- script.execute: publish_wraparound_script
tests/integration/fixtures/sensor_filters_sliding_window.yaml
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esphome:
name: test-sliding-window-filters
host:
api:
batch_delay: 0ms # Disable batching to receive all state updates
logger:
level: DEBUG
# Template sensor that we'll use to publish values
sensor:
- platform: template
name: "Source Sensor"
id: source_sensor
accuracy_decimals: 2
# Min filter sensor
- platform: copy
source_id: source_sensor
name: "Min Sensor"
id: min_sensor
filters:
- min:
window_size: 5
send_every: 5
send_first_at: 1
# Max filter sensor
- platform: copy
source_id: source_sensor
name: "Max Sensor"
id: max_sensor
filters:
- max:
window_size: 5
send_every: 5
send_first_at: 1
# Median filter sensor
- platform: copy
source_id: source_sensor
name: "Median Sensor"
id: median_sensor
filters:
- median:
window_size: 5
send_every: 5
send_first_at: 1
# Quantile filter sensor (90th percentile)
- platform: copy
source_id: source_sensor
name: "Quantile Sensor"
id: quantile_sensor
filters:
- quantile:
window_size: 5
send_every: 5
send_first_at: 1
quantile: 0.9
# Moving average filter sensor
- platform: copy
source_id: source_sensor
name: "Moving Avg Sensor"
id: moving_avg_sensor
filters:
- sliding_window_moving_average:
window_size: 5
send_every: 5
send_first_at: 1
# Script to publish values with delays
script:
- id: publish_values_script
then:
- sensor.template.publish:
id: source_sensor
state: 1.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 2.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 3.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 4.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 5.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 6.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 7.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 8.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 9.0
- delay: 20ms
- sensor.template.publish:
id: source_sensor
state: 10.0
# Button to trigger publishing test values
button:
- platform: template
name: "Publish Values Button"
id: publish_button
on_press:
- script.execute: publish_values_script