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							78 lines
						
					
					
						
							2.7 KiB
						
					
					
				
			
		
		
	
	
							78 lines
						
					
					
						
							2.7 KiB
						
					
					
				| #!/usr/bin/env python3
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| import argparse
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| import zstandard as zstd
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| from collections import defaultdict
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| 
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| import matplotlib.pyplot as plt
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| 
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| from cereal.services import SERVICE_LIST
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| from openpilot.common.file_helpers import LOG_COMPRESSION_LEVEL
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| from openpilot.tools.lib.logreader import LogReader
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| from tqdm import tqdm
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| 
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| MIN_SIZE = 0.5  # Percent size of total to show as separate entry
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| 
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| 
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| def make_pie(msgs, typ):
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|   msgs_by_type = defaultdict(list)
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|   for m in msgs:
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|     msgs_by_type[m.which()].append(m.as_builder().to_bytes())
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| 
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|   total = len(zstd.compress(b"".join([m.as_builder().to_bytes() for m in msgs]), LOG_COMPRESSION_LEVEL))
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|   uncompressed_total = len(b"".join([m.as_builder().to_bytes() for m in msgs]))
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| 
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|   length_by_type = {k: len(b"".join(v)) for k, v in msgs_by_type.items()}
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|   # calculate compressed size by calculating diff when removed from the segment
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|   compressed_length_by_type = {}
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|   for k in tqdm(msgs_by_type.keys(), desc="Compressing"):
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|     compressed_length_by_type[k] = total - len(zstd.compress(b"".join([m.as_builder().to_bytes() for m in msgs if m.which() != k]), LOG_COMPRESSION_LEVEL))
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| 
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|   sizes = sorted(compressed_length_by_type.items(), key=lambda kv: kv[1])
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| 
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|   print("name - comp. size (uncomp. size)")
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|   for (name, sz) in sizes:
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|     print(f"{name:<22} - {sz / 1024:.2f} kB ({length_by_type[name] / 1024:.2f} kB)")
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|   print()
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|   print(f"{typ} - Real total {total / 1024:.2f} kB")
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|   print(f"{typ} - Breakdown total {sum(compressed_length_by_type.values()) / 1024:.2f} kB")
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|   print(f"{typ} - Uncompressed total {uncompressed_total / 1024 / 1024:.2f} MB")
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| 
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|   sizes_large = [(k, sz) for (k, sz) in sizes if sz >= total * MIN_SIZE / 100]
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|   sizes_large += [('other', sum(sz for (_, sz) in sizes if sz < total * MIN_SIZE / 100))]
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| 
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|   labels, sizes = zip(*sizes_large, strict=True)
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| 
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|   plt.figure()
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|   plt.title(f"{typ}")
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|   plt.pie(sizes, labels=labels, autopct='%1.1f%%')
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| 
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| 
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| if __name__ == "__main__":
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|   parser = argparse.ArgumentParser(description='View log size breakdown by message type')
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|   parser.add_argument('route', help='route to use')
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|   parser.add_argument('--as-qlog', action='store_true', help='decimate rlog using latest decimation factors')
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|   args = parser.parse_args()
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| 
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|   msgs = list(LogReader(args.route))
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| 
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|   if args.as_qlog:
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|     new_msgs = []
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|     msg_cnts: dict[str, int] = defaultdict(int)
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|     for msg in msgs:
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|       msg_which = msg.which()
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|       if msg.which() in ("initData", "sentinel"):
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|         new_msgs.append(msg)
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|         continue
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| 
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|       if msg_which not in SERVICE_LIST:
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|         continue
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| 
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|       decimation = SERVICE_LIST[msg_which].decimation
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|       if decimation is not None and msg_cnts[msg_which] % decimation == 0:
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|         new_msgs.append(msg)
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|       msg_cnts[msg_which] += 1
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| 
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|     msgs = new_msgs
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| 
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|   make_pie(msgs, 'qlog')
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|   plt.show()
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| 
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