293 lines
12 KiB
Python
Executable File
293 lines
12 KiB
Python
Executable File
#!/usr/bin/env python2
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# Script to extract config and shutdown information file a klippy.log file
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#
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# Copyright (C) 2017 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 sys, re, collections
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def format_comment(line_num, line):
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return "# %6d: %s" % (line_num, line)
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######################################################################
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# Config file extraction
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######################################################################
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class GatherConfig:
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def __init__(self, configs, line_num, recent_lines, logname):
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self.configs = configs
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self.line_num = line_num
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self.config_num = len(configs) + 1
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self.filename = "%s.config%04d.cfg" % (logname, self.config_num)
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self.config_lines = []
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self.comments = []
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def add_line(self, line_num, line):
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if line != '=======================':
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self.config_lines.append(line)
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return True
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self.finalize()
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return False
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def finalize(self):
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lines = tuple(self.config_lines)
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ch = self.configs.get(lines)
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if ch is None:
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self.configs[lines] = ch = self
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else:
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ch.comments.extend(self.comments)
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ch.comments.append(format_comment(self.line_num, "config file"))
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def add_comment(self, comment):
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if comment is not None:
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self.comments.append(comment)
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def write_file(self):
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f = open(self.filename, 'wb')
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f.write('\n'.join(self.comments + self.config_lines))
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f.close()
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######################################################################
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# Shutdown extraction
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######################################################################
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stats_seq_s = r" send_seq=(?P<sseq>[0-9]+) receive_seq=(?P<rseq>[0-9]+) "
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count_s = r"(?P<count>[0-9]+)"
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time_s = r"(?P<time>[0-9]+[.][0-9]+)"
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esttime_s = r"(?P<esttime>[0-9]+[.][0-9]+)"
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shortseq_s = r"(?P<shortseq>[0-9a-f])"
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stats_r = re.compile(r"^Stats " + time_s + ": ")
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serial_dump_r = re.compile(r"^Dumping serial stats: .*" + stats_seq_s)
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send_dump_r = re.compile(r"^Dumping send queue " + count_s + " messages$")
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sent_r = re.compile(r"^Sent " + count_s + " " + esttime_s + " " + time_s
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+ " [0-9]+: seq: 1" + shortseq_s + ",")
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receive_dump_r = re.compile(r"^Dumping receive queue " + count_s + " messages$")
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receive_r = re.compile(r"^Receive: " + count_s + " " + time_s + " " + esttime_s
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+ " [0-9]+: seq: 1" + shortseq_s + ",")
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gcode_r = re.compile(r"^Read " + time_s + ": ['\"]")
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clock_r = re.compile(r"^clocksync state: .* clock_est=\((?P<st>[^ ]+)"
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+ r" (?P<sc>[0-9]+) (?P<f>[^ ]+)\)")
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repl_seq_r = re.compile(r": seq: 1" + shortseq_s)
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repl_clock_r = re.compile(r"clock=(?P<clock>[0-9]+) ")
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mcu_r = re.compile(r"MCU '(?P<mcu>[^']+)' shutdown: (?P<reason>.*)$")
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def add_high_bits(val, ref, mask):
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half = (mask + 1) // 2
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return ref + ((val - (ref & mask) + half) & mask) - half
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class GatherShutdown:
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class mcu_info:
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def __init__(self):
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self.sent_stream = []
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self.receive_stream = []
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self.sent_stream = []
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self.receive_stream = []
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self.sent_time_to_seq = {}
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self.sent_seq_to_time = {}
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self.receive_seq_to_time = {}
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self.clock_est = 0., 0., 1.
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self.shutdown_seq = None
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self.send_count = self.receive_count = 0
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def __init__(self, configs, line_num, recent_lines, logname):
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self.shutdown_line_num = line_num
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self.filename = "%s.shutdown%05d" % (logname, line_num)
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configs_by_id = {c.config_num: c for c in configs.values()}
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self.config = configs_by_id[max(configs_by_id.keys())]
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self.comments = ["# config %s" % (self.config.filename,)]
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self.config.add_comment(format_comment(line_num, recent_lines[-1][1]))
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self.stats_stream = []
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self.gcode_stream = []
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self.mcus = {}
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self.mcu = None
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self.first_stat_time = self.last_stat_time = None
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for line_num, line in recent_lines:
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self.parse_line(line_num, line)
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self.first_stat_time = self.last_stat_time
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def add_comment(self, comment):
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if comment is not None:
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self.comments.append(comment)
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def check_stats_seq(self, ts, line):
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# Parse stats
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parts = line.split()
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mcu = ""
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keyparts = {}
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for p in parts[2:]:
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if p.endswith(':'):
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mcu = p
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continue
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name, val = p.split('=', 1)
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keyparts[mcu + name] = val
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min_ts = 0
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max_ts = 999999999999
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for mcu, info in self.mcus.items():
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sname = '%s:send_seq' % (mcu,)
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rname = '%s:receive_seq' % (mcu,)
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if sname not in keyparts:
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continue
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sseq = int(keyparts[sname])
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rseq = int(keyparts[rname])
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min_ts = max(min_ts, info.sent_seq_to_time.get(sseq-1, 0),
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info.receive_seq_to_time.get(rseq, 0))
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max_ts = min(max_ts, info.sent_seq_to_time.get(sseq, 999999999999),
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info.receive_seq_to_time.get(rseq+1, 999999999999))
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return min(max(ts, min_ts + 0.00000001), max_ts - 0.00000001)
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def trans_clock(self, clock, ts):
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sample_time, sample_clock, freq = self.mcu.clock_est
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exp_clock = int(sample_clock + (ts - sample_time) * freq)
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ext_clock = add_high_bits(clock, exp_clock, 0xffffffff)
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return sample_time + (ext_clock - sample_clock) / freq
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def annotate(self, line, seq, ts):
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if seq is not None:
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line = repl_seq_r.sub(r"\g<0>(%d)" % (seq,), line)
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def clock_update(m):
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return m.group(0)[:-1] + "(%.6f) " % (
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self.trans_clock(int(m.group('clock')), ts),)
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line = repl_clock_r.sub(clock_update, line)
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return line
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def add_line(self, line_num, line):
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self.parse_line(line_num, line)
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if (self.first_stat_time is not None
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and self.last_stat_time > self.first_stat_time + 5.):
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self.finalize()
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return False
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if (line.startswith('Git version') or line.startswith('Start printer at')
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or line == '===== Config file ====='):
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self.finalize()
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return False
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return True
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def parse_line(self, line_num, line):
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m = sent_r.match(line)
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if m is not None:
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shortseq = int(m.group('shortseq'), 16)
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seq = (self.mcu.shutdown_seq + int(m.group('count'))
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- self.mcu.send_count)
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seq = add_high_bits(shortseq, seq, 0xf)
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ts = float(m.group('time'))
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esttime = float(m.group('esttime'))
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self.mcu.sent_time_to_seq[(esttime, seq & 0xf)] = seq
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self.mcu.sent_seq_to_time[seq] = ts
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line = self.annotate(line, seq, ts)
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self.mcu.sent_stream.append((ts, line_num, line))
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return
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m = receive_r.match(line)
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if m is not None:
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shortseq = int(m.group('shortseq'), 16)
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ts = float(m.group('time'))
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esttime = float(m.group('esttime'))
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seq = self.mcu.sent_time_to_seq.get((esttime, (shortseq - 1) & 0xf))
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if seq is not None:
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self.mcu.receive_seq_to_time[seq + 1] = ts
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line = self.annotate(line, seq, ts)
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self.mcu.receive_stream.append((ts, line_num, line))
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return
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m = gcode_r.match(line)
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if m is not None:
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ts = float(m.group('time'))
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self.gcode_stream.append((ts, line_num, line))
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return
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m = stats_r.match(line)
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if m is not None:
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ts = float(m.group('time'))
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self.last_stat_time = ts
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if self.first_stat_time is None:
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self.first_stat_time = ts
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self.stats_stream.append((ts, line_num, line))
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return
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m = mcu_r.match(line)
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if m is not None:
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mcu = m.group('mcu')
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self.mcu = self.mcus.setdefault(mcu, self.mcu_info())
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m = clock_r.match(line)
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if m is not None:
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st = float(m.group('st'))
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sc = int(m.group('sc'))
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f = float(m.group('f'))
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self.mcu.clock_est = (st, sc, f)
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m = serial_dump_r.match(line)
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if m is not None:
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self.mcu.shutdown_seq = int(m.group('rseq'))
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m = send_dump_r.match(line)
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if m is not None:
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self.mcu.send_count = int(m.group('count'))
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m = receive_dump_r.match(line)
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if m is not None:
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self.mcu.receive_count = int(m.group('count'))
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self.stats_stream.append((None, line_num, line))
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def finalize(self):
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# Ignore old stats
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stream_ts = [i[0] for mcu in self.mcus.values()
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for i in mcu.sent_stream + mcu.receive_stream]
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if not stream_ts:
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return
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min_stream_ts = min(stream_ts)
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max_stream_ts = max(stream_ts)
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for i, info in enumerate(self.stats_stream):
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if info[0] is not None and info[0] >= min_stream_ts - 5.:
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del self.stats_stream[:i]
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break
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# Improve accuracy of stats timestamps
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last_ts = self.stats_stream[0][0]
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for i, (ts, line_num, line) in enumerate(self.stats_stream):
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if ts is not None:
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last_ts = self.check_stats_seq(ts, line)
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elif line_num >= self.shutdown_line_num and last_ts <= max_stream_ts:
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last_ts = max_stream_ts + 0.00000001
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self.stats_stream[i] = (last_ts, line_num, line)
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# Make sure no timestamp goes backwards
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streams = ([self.stats_stream, self.gcode_stream] +
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[mcu.sent_stream for mcu in self.mcus.values()] +
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[mcu.receive_stream for mcu in self.mcus.values()])
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for s in streams:
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for i in range(1, len(s)):
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if s[i-1][0] > s[i][0]:
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s[i] = (s[i-1][0], s[i][1], s[i][2])
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# Produce output sorted by timestamp
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out = [i for s in streams for i in s]
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out.sort()
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out = [i[2] for i in out]
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f = open(self.filename, 'wb')
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f.write('\n'.join(self.comments + out))
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f.close()
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######################################################################
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# Startup
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######################################################################
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def main():
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logname = sys.argv[1]
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last_git = last_start = None
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configs = {}
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handler = None
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recent_lines = collections.deque([], 200)
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# Parse log file
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f = open(logname, 'rb')
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for line_num, line in enumerate(f):
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line = line.rstrip()
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line_num += 1
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recent_lines.append((line_num, line))
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if handler is not None:
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ret = handler.add_line(line_num, line)
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if ret:
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continue
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recent_lines.clear()
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handler = None
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if line.startswith('Git version'):
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last_git = format_comment(line_num, line)
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elif line.startswith('Start printer at'):
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last_start = format_comment(line_num, line)
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elif line == '===== Config file =====':
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handler = GatherConfig(configs, line_num, recent_lines, logname)
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handler.add_comment(last_git)
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handler.add_comment(last_start)
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elif 'shutdown: ' in line or line.startswith('Dumping '):
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handler = GatherShutdown(configs, line_num, recent_lines, logname)
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handler.add_comment(last_git)
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handler.add_comment(last_start)
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if handler is not None:
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handler.finalize()
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# Write found config files
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for cfg in configs.values():
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cfg.write_file()
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if __name__ == '__main__':
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main()
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