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