py-spy showed per-cycle atomic param writes were the dominant cost. Each
put() is mkstemp+fsync+flock+rename+fsync_dir — fine when rare, ruinous at
100Hz. At park with no state changes, these writes were running anyway and
the flock contention was poisoning the whole system.
carstate.py (update + update_canfd): CarSpeedLimit, CarIsMetric,
CarCruiseDisplayActual were written every CAN update. Now cached and
written only on change.
controlsd.py: same fix for LatRequested and no_lat_lane_change. Also
throttle the sentry crash-file stat() from 100Hz to 1Hz.
Also: suppress locationdTemporaryError/paramsdTemporaryError/posenetInvalid
on lat engage (same 2s window as commIssue), and tie suppression to the
LatRequested edge instead of CC.latActive (fires immediately, not after
the 250ms ramp-up delay).
Also: reset Ratekeeper when it falls >1s behind — the ~6s fingerprinting
stall at startup was poisoning the lag metric for the entire session.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
New speed_logic.py module converts raw CAN speed limit and GPS speed
into display-ready params. Called from controlsd (live) and
bench_onroad (bench) at ~2Hz. UI reads params to render:
- Current speed (top center, hidden when 0 or no GPS)
- MUTCD speed limit sign (lower-left, normal + nightrider styles)
- Unit-aware display (mph/kph based on CAN DISTANCE_UNIT)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Comment out all tlog() calls in controlsd (100Hz) and carstate (100Hz)
— was causing controlsd to lag from JSON serialization + ZMQ overhead
- tlog() now checks TelemetryEnabled memory param (1/sec file read),
returns immediately when disabled — zero cost when telemetry is off
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Fix controlsd crash: self.state.name AttributeError when state is int
- Move telemetry tlog import to module level in carstate.py (was per-frame)
- Remove FrogPilot screen recorder from UI (was crashing OMX on init)
- Ready screen: boot logo background, 8-bit READY! sprite, error states
(panda not connected, car not recognized) with 10s startup grace period
- ClearPilot menu: always opens to General, QButtonGroup for sidebar,
System Status uses ButtonControl, VPN toggle with process control
- Sidebar hidden on construction (no flash before splash)
- Status window: threaded data collection (QtConcurrent), panda detection
via scene.pandaType (SPI, not USB), only refreshes when visible
- VPN: moved to system/clearpilot/, SIGTERM graceful shutdown, keepalive
ping through tunnel, killall openvpn on disable, launched from
launch_openpilot.sh instead of continue.sh
- Disable gpsd and dashcamd temporarily for perf testing
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Added brakePressed to cruise group, prev_cruise_button and
prev_main_button to buttons group in carstate telemetry. New "engage"
group in controlsd logs state machine state, enabled/active flags, and
stock cruise state every frame for tracing engagement desync bugs.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Logs high-value CAN bus data every frame in update_canfd():
- car: vEgo, aEgo, steering angle, gear, brake/gas, blinkers, standstill
- cruise: enabled, speed, ACCMode, VSetDis, aReq, distance setting, lead dist
- speed_limit: all 3 CLUSTER_SPEED_LIMIT values, school zone, chimes,
calculated speed limit, metric flag
- buttons: cruise buttons, main button, LKAS, main_enabled state
Data flows through the diff-based telemetry logger (only changed values
written to CSV) when TelemetryEnabled param is set.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
