Files
frigate/frigate/stats/util.py
T
Nicolas Mowen 6ae8050974 Refactor Hardware Stats (#24150)
* Refactor hardware stats to have consolidated ffmpeg, detector, and enrichments running.

* Cleanup hardware access that is not passed into the container

* Remove network stats from hardware refactor
2026-09-12 07:30:04 -06:00

313 lines
12 KiB
Python

"""Utilities for stats."""
import logging
import shutil
import time
from json import JSONDecodeError
from multiprocessing.managers import DictProxy
from typing import Any
import requests
from requests.exceptions import RequestException
from frigate.config import FrigateConfig
from frigate.const import CACHE_DIR, CLIPS_DIR, RECORD_DIR
from frigate.data_processing.types import DataProcessorMetrics
from frigate.object_detection.base import ObjectDetectProcess
from frigate.stats.hardware import HardwareStats, get_hardware_temperatures
from frigate.types import StatsTrackingTypes
from frigate.util.services import (
calculate_shm_requirements,
get_bandwidth_stats,
get_fs_type,
)
from frigate.version import VERSION
logger = logging.getLogger(__name__)
def get_latest_version(config: FrigateConfig) -> str:
if not config.telemetry.version_check:
return "disabled"
try:
request = requests.get(
"https://api.github.com/repos/blakeblackshear/frigate/releases/latest",
timeout=10,
)
response = request.json()
except (RequestException, JSONDecodeError):
return "unknown"
if request.ok and response and "tag_name" in response:
return str(response.get("tag_name").replace("v", ""))
else:
return "unknown"
def stats_init(
config: FrigateConfig,
camera_metrics: DictProxy,
embeddings_metrics: DataProcessorMetrics,
detectors: dict[str, ObjectDetectProcess],
processes: dict[str, int],
) -> StatsTrackingTypes:
stats_tracking: StatsTrackingTypes = {
"camera_metrics": camera_metrics,
"embeddings_metrics": embeddings_metrics,
"detectors": detectors,
"started": int(time.time()),
"latest_frigate_version": get_latest_version(config),
"last_updated": int(time.time()),
"processes": processes,
}
return stats_tracking
def get_detector_stats(
stats_tracking: StatsTrackingTypes,
) -> dict[str, dict[str, Any]]:
"""Get stats for all detectors, including temperatures based on detector type."""
detector_stats: dict[str, dict[str, Any]] = {}
detector_type_indices: dict[str, int] = {}
for name, detector in stats_tracking["detectors"].items():
pid = detector.detect_process.pid if detector.detect_process else None
detector_type = detector.detector_config.type
# Keep track of the index for each detector type to match temperatures correctly
current_index = detector_type_indices.get(detector_type, 0)
detector_type_indices[detector_type] = current_index + 1
detector_stat = {
"inference_speed": round(detector.avg_inference_speed.value * 1000, 2), # type: ignore[attr-defined]
# issue https://github.com/python/typeshed/issues/8799
# from mypy 0.981 onwards
"detection_start": detector.detection_start.value, # type: ignore[attr-defined]
# issue https://github.com/python/typeshed/issues/8799
# from mypy 0.981 onwards
"pid": pid,
}
temps = get_hardware_temperatures(detector_type)
if current_index < len(temps) and temps[current_index] is not None:
detector_stat["temperature"] = round(temps[current_index], 1)
detector_stats[name] = detector_stat
return detector_stats
def stats_snapshot(
config: FrigateConfig,
stats_tracking: StatsTrackingTypes,
hardware_stats: HardwareStats,
) -> dict[str, Any]:
"""Get a snapshot of the current stats that are being tracked."""
camera_metrics = stats_tracking["camera_metrics"]
stats: dict[str, Any] = {}
total_camera_fps = total_process_fps = total_skipped_fps = total_detection_fps = 0
stats["cameras"] = {}
for name, camera_stats in camera_metrics.items():
if name not in config.cameras:
continue
total_camera_fps += camera_stats.camera_fps.value
total_process_fps += camera_stats.process_fps.value
total_skipped_fps += camera_stats.skipped_fps.value
total_detection_fps += camera_stats.detection_fps.value
pid = camera_stats.process_pid.value if camera_stats.process_pid.value else None
ffmpeg_pid = camera_stats.ffmpeg_pid.value if camera_stats.ffmpeg_pid else None
capture_pid = (
camera_stats.capture_process_pid.value
if camera_stats.capture_process_pid.value
else None
)
# Calculate connection quality based on current state
# This is computed at stats-collection time so offline cameras
# correctly show as unusable rather than excellent
expected_fps = config.cameras[name].detect.fps
current_fps = camera_stats.camera_fps.value
reconnects = camera_stats.reconnects_last_hour.value
stalls = camera_stats.stalls_last_hour.value
if current_fps < 0.1:
quality_str = "unusable"
elif reconnects == 0 and current_fps >= 0.9 * expected_fps and stalls < 5:
quality_str = "excellent"
elif reconnects <= 2 and current_fps >= 0.6 * expected_fps:
quality_str = "fair"
elif reconnects > 10 or current_fps < 1.0 or stalls > 100:
quality_str = "unusable"
else:
quality_str = "poor"
connection_quality = {
"connection_quality": quality_str,
"expected_fps": expected_fps,
"reconnects_last_hour": reconnects,
"stalls_last_hour": stalls,
}
stats["cameras"][name] = {
"camera_fps": round(camera_stats.camera_fps.value, 2),
"process_fps": round(camera_stats.process_fps.value, 2),
"skipped_fps": round(camera_stats.skipped_fps.value, 2),
"detection_fps": round(camera_stats.detection_fps.value, 2),
"detection_enabled": config.cameras[name].detect.enabled,
"pid": pid,
"capture_pid": capture_pid,
"ffmpeg_pid": ffmpeg_pid,
"audio_rms": round(camera_stats.audio_rms.value, 4),
"audio_dBFS": round(camera_stats.audio_dBFS.value, 4),
**connection_quality,
}
stats["detectors"] = get_detector_stats(stats_tracking)
stats["camera_fps"] = round(total_camera_fps, 2)
stats["process_fps"] = round(total_process_fps, 2)
stats["skipped_fps"] = round(total_skipped_fps, 2)
stats["detection_fps"] = round(total_detection_fps, 2)
stats["embeddings"] = {}
# Get metrics if available
embeddings_metrics = stats_tracking.get("embeddings_metrics")
if embeddings_metrics:
# Add metrics based on what's enabled
if config.semantic_search.enabled:
stats["embeddings"].update(
{
"image_embedding_speed": round(
embeddings_metrics.image_embeddings_speed.value * 1000, 2
),
"image_embedding": round(
embeddings_metrics.image_embeddings_eps.value, 2
),
"text_embedding_speed": round(
embeddings_metrics.text_embeddings_speed.value * 1000, 2
),
"text_embedding": round(
embeddings_metrics.text_embeddings_eps.value, 2
),
}
)
if config.face_recognition.enabled:
stats["embeddings"]["face_recognition_speed"] = round(
embeddings_metrics.face_rec_speed.value * 1000, 2
)
stats["embeddings"]["face_recognition"] = round(
embeddings_metrics.face_rec_fps.value, 2
)
if config.lpr.enabled:
stats["embeddings"]["plate_recognition_speed"] = round(
embeddings_metrics.alpr_speed.value * 1000, 2
)
stats["embeddings"]["plate_recognition"] = round(
embeddings_metrics.alpr_pps.value, 2
)
if embeddings_metrics.yolov9_lpr_pps.value > 0.0:
stats["embeddings"]["yolov9_plate_detection_speed"] = round(
embeddings_metrics.yolov9_lpr_speed.value * 1000, 2
)
stats["embeddings"]["yolov9_plate_detection"] = round(
embeddings_metrics.yolov9_lpr_pps.value, 2
)
if embeddings_metrics.review_desc_speed.value > 0.0:
stats["embeddings"]["review_description_speed"] = round(
embeddings_metrics.review_desc_speed.value * 1000, 2
)
stats["embeddings"]["review_description_events_per_second"] = round(
embeddings_metrics.review_desc_dps.value, 2
)
if embeddings_metrics.object_desc_speed.value > 0.0:
stats["embeddings"]["object_description_speed"] = round(
embeddings_metrics.object_desc_speed.value * 1000, 2
)
stats["embeddings"]["object_description_events_per_second"] = round(
embeddings_metrics.object_desc_dps.value, 2
)
for key in embeddings_metrics.classification_speeds.keys():
stats["embeddings"][f"{key}_classification_speed"] = round(
embeddings_metrics.classification_speeds[key].value * 1000, 2
)
stats["embeddings"][f"{key}_classification_events_per_second"] = round(
embeddings_metrics.classification_cps[key].value, 2
)
hardware_stats.update_stats(stats)
if config.telemetry.stats.network_bandwidth:
bandwidth_stats = get_bandwidth_stats(config)
if bandwidth_stats:
stats["bandwidth_usages"] = bandwidth_stats
stats["service"] = {
"uptime": (int(time.time()) - stats_tracking["started"]),
"version": VERSION,
"latest_version": stats_tracking["latest_frigate_version"],
"storage": {},
"last_updated": int(time.time()),
}
for path in [RECORD_DIR, CLIPS_DIR, CACHE_DIR]:
try:
storage_stats = shutil.disk_usage(path)
except (FileNotFoundError, OSError):
stats["service"]["storage"][path] = {}
continue
stats["service"]["storage"][path] = {
"total": round(storage_stats.total / pow(2, 20), 1),
"used": round(storage_stats.used / pow(2, 20), 1),
"free": round(storage_stats.free / pow(2, 20), 1),
"mount_type": get_fs_type(path),
}
stats["service"]["storage"]["/dev/shm"] = calculate_shm_requirements(config)
stats["processes"] = {}
for name, pid in stats_tracking["processes"].items():
stats["processes"][name] = {
"pid": pid,
}
# Embed cpu/mem stats into detectors, cameras, and processes
# so history consumers don't need the full cpu_usages dict
cpu_usages = stats.get("cpu_usages", {})
for det_stats in stats["detectors"].values():
pid_str = str(det_stats.get("pid", ""))
usage = cpu_usages.get(pid_str, {})
det_stats["cpu"] = usage.get("cpu")
det_stats["mem"] = usage.get("mem")
for cam_stats in stats["cameras"].values():
for pid_key, field in [
("ffmpeg_pid", "ffmpeg_cpu"),
("capture_pid", "capture_cpu"),
("pid", "detect_cpu"),
]:
pid_str = str(cam_stats.get(pid_key, ""))
usage = cpu_usages.get(pid_str, {})
cam_stats[field] = usage.get("cpu")
for proc_stats in stats["processes"].values():
pid_str = str(proc_stats.get("pid", ""))
usage = cpu_usages.get(pid_str, {})
proc_stats["cpu"] = usage.get("cpu")
proc_stats["mem"] = usage.get("mem")
return stats