klipper-dgus/klippy/extras/statistics.py

46 lines
1.7 KiB
Python

# Support for logging periodic statistics
#
# Copyright (C) 2018-2020 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import os, time, logging
def get_os_stats(eventtime):
# Get core usage stats
msg = "sysload=%.2f cputime=%.3f" % (os.getloadavg()[0], time.clock())
# Get available system memory
try:
f = open("/proc/meminfo", "rb")
data = f.read()
f.close()
for line in data.split('\n'):
if line.startswith("MemAvailable:"):
msg = "%s memavail=%s" % (msg, line.split()[1])
except:
pass
return (False, msg)
class PrinterStats:
def __init__(self, config):
self.printer = config.get_printer()
reactor = self.printer.get_reactor()
self.stats_timer = reactor.register_timer(self.generate_stats)
self.stats_cb = []
self.printer.register_event_handler("klippy:ready", self.handle_ready)
def handle_ready(self):
self.stats_cb = [o.stats for n, o in self.printer.lookup_objects()
if hasattr(o, 'stats')]
if self.printer.get_start_args().get('debugoutput') is None:
reactor = self.printer.get_reactor()
reactor.update_timer(self.stats_timer, reactor.NOW)
def generate_stats(self, eventtime):
stats = [cb(eventtime) for cb in self.stats_cb]
if max([s[0] for s in stats]):
stats.append(get_os_stats(eventtime))
logging.info("Stats %.1f: %s", eventtime,
' '.join([s[1] for s in stats]))
return eventtime + 1.
def load_config(config):
return PrinterStats(config)