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Restart timing: bbctrl.Trace, /api/diag/timing, UI marks

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Add a lightweight, self-contained phase tracer for measuring end-to-end
bbctrl restart and Pi boot time. Disabled by setting BBCTRL_TRACE=0.

- src/py/bbctrl/Trace.py: monotonic-anchored event log + sd_notify helper.
- bbctrl/__init__.py: marks for imports, args parsed, ioloop, web init,
  listen, and an sd_notify READY=1 once HTTP is bound.
- bbctrl/Ctrl.py: spans around each subsystem (avr, i2c, lcd, mach,
  preplanner, jog, pwr, hooks, aux, mach.connect).
- bbctrl/Comm.py: avr.firmware_rebooted mark.
- bbctrl/Web.py: TimingHandler (GET /api/diag/timing) and
  UITimingHandler (PUT /api/diag/timing/ui), plus a ws.first_open mark.
- src/js/restart-timing.js + app.js: UI-side performance.now() marks
  (script.load, ws.open, ws.first_msg, ui.first_state, window.load),
  posted once to the controller.
- scripts/bbctrl.service: stdout/stderr -> journal so TRACE lines are
  visible via journalctl -u bbctrl. (Was StandardOutput=null.)

Revert: git revert this commit. To disable at runtime without
reverting, set BBCTRL_TRACE=0 in the bbctrl service environment.
This commit is contained in:
Henrik Muehe
2026-05-01 09:48:10 +02:00
parent 73c6a4f160
commit 561d2fd7ea
8 changed files with 328 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
src/py/bbctrl/Ctrl.py
View File

@@ -28,10 +28,12 @@
import os
import time
import bbctrl
import bbctrl.Trace as Trace
class Ctrl(object):
def __init__(self, args, ioloop, id):
Trace.mark('ctrl.init.start', id=id or '<default>')
self.args = args
self.ioloop = bbctrl.IOLoop(ioloop)
self.id = id
@@ -43,34 +45,52 @@ class Ctrl(object):
if args.demo: log_path = self.get_path(filename = 'bbctrl.log')
else: log_path = args.log
self.log = bbctrl.log.Log(args, self.ioloop, log_path)
Trace.mark('ctrl.log_open')
self.state = bbctrl.State(self)
self.config = bbctrl.Config(self)
Trace.mark('ctrl.state_config')
self.log.get('Ctrl').info('Starting %s' % self.id)
try:
if args.demo: self.avr = bbctrl.AVREmu(self)
else: self.avr = bbctrl.AVR(self)
with Trace.span('ctrl.avr'):
if args.demo: self.avr = bbctrl.AVREmu(self)
else: self.avr = bbctrl.AVR(self)
self.i2c = bbctrl.I2C(args.i2c_port, args.demo)
self.lcd = bbctrl.LCD(self)
self.mach = bbctrl.Mach(self, self.avr)
self.preplanner = bbctrl.Preplanner(self)
if not args.demo: self.jog = bbctrl.Jog(self)
self.pwr = bbctrl.Pwr(self)
self.hooks = bbctrl.Hooks(self)
self.aux = bbctrl.AuxAxis(self)
with Trace.span('ctrl.i2c'):
self.i2c = bbctrl.I2C(args.i2c_port, args.demo)
with Trace.span('ctrl.lcd'):
self.lcd = bbctrl.LCD(self)
with Trace.span('ctrl.mach'):
self.mach = bbctrl.Mach(self, self.avr)
with Trace.span('ctrl.preplanner'):
self.preplanner = bbctrl.Preplanner(self)
if not args.demo:
with Trace.span('ctrl.jog'):
self.jog = bbctrl.Jog(self)
with Trace.span('ctrl.pwr'):
self.pwr = bbctrl.Pwr(self)
with Trace.span('ctrl.hooks'):
self.hooks = bbctrl.Hooks(self)
with Trace.span('ctrl.aux'):
self.aux = bbctrl.AuxAxis(self)
self._register_aux_hooks()
self.mach.connect()
with Trace.span('ctrl.mach.connect'):
self.mach.connect()
self.lcd.add_new_page(bbctrl.MainLCDPage(self))
self.lcd.add_new_page(bbctrl.IPLCDPage(self.lcd))
os.environ['GCODE_SCRIPT_PATH'] = self.get_upload()
except Exception: self.log.get('Ctrl').exception('Internal error: Control initialization failed')
Trace.mark('ctrl.init.end')
Trace.sd_notify('STATUS=ctrl initialized\n')
except Exception:
Trace.mark('ctrl.init.error')
self.log.get('Ctrl').exception('Internal error: Control initialization failed')
def __del__(self): print('Ctrl deleted')