More resilient client log parsing

Only accept timestamps without leading whitespace and which are large enough
to possibly be a timestamp

scripts/analysis/parser/client.py

@@ -24,15 +24,19 @@ class ClientLogParser(Parser):
             at_start = True
             timestamp = None
             for line in f:
-                line = line.strip()
+                line = line.rstrip()
                 if not line:
                     continue
 
                 split_line = line.split(None, 1)
-                if split_line[0].isdigit() and len(split_line) > 1:
-                    timestamp = float(int(split_line[0])) * 1e-6
-                    # remove timestamp at line start
-                    line = split_line[1]
+                # ignore number prefixed with whitespace
+                if line[0].isdigit() and split_line[0].isdigit() and len(split_line) > 1:
+                    ts = float(int(split_line[0])) * 1e-6
+                    # ignore numbers that are too low to be timestamps
+                    if ts > 1000:
+                        timestamp = ts
+                        # remove timestamp at line start
+                        line = split_line[1]
                 # keep last timestamp when encountering a line without
 
                 if at_start: