Allow cmd abbreviation from ps

This abbreviation happens at the kernel level, and ps surrounds it in
brackets to indicate that it has changed.

src/con_duct/__main__.py

@@ -8,6 +8,7 @@
 import logging
 import math
 import os
+import re
 import shutil
 import socket
 import subprocess
@@ -130,12 +131,17 @@ class ProcessStats:
     cmd: str
 
     def max(self, other: ProcessStats) -> ProcessStats:
+        cmd = self.cmd
         if self.cmd != other.cmd:
-            lgr.critical("TEST!\n!!!!!!!!!\n!!!!!!!!\n!!!!!!!!!!\n!!!!!!!!!!!")
-            lgr.critical(f"self cmd:{self.cmd}")
-            lgr.critical(f"other cmd:{other.cmd}")
-            lgr.critical(f"self whole:{asdict(self)}")
-            lgr.critical(f"other whole:{asdict(other)}")
+            lgr.critical(
+                f"cmd has changed. Previous measurement was {self.cmd}, now {other.cmd}."
+            )
+            # Brackets indicate that the kernel has substituted an abbreviation.
+            surrounded_by_brackets = r"\[.*?\]"
+            if re.search(surrounded_by_brackets, self.cmd):
+                lgr.critical(f"using {other.cmd}.")
+                cmd = other.cmd
+            lgr.critical(f"using {self.cmd}.")
             raise Exception()
         return ProcessStats(
             pcpu=max(self.pcpu, other.pcpu),
@@ -144,7 +150,7 @@ def max(self, other: ProcessStats) -> ProcessStats:
             vsz=max(self.vsz, other.vsz),
             timestamp=max(self.timestamp, other.timestamp),
             etime=other.etime,  # For the aggregate always take the latest
-            cmd=other.cmd,
+            cmd=cmd,
         )
 
     def __post_init__(self) -> None:
@@ -424,13 +430,9 @@ def collect_sample(self) -> Optional[Sample]:
             )
             for line in output.splitlines()[1:]:
                 if line:
-                    pid, pcpu, pmem, rss_kib, vsz_kib, etime, stat, cmd = line.split(
-                        maxsplit=7
+                    pid, pcpu, pmem, rss_kib, vsz_kib, etime, cmd = line.split(
+                        maxsplit=6,
                     )
-                    if "Z" in stat:  # Skip zombie processes
-                        continue
-                    if cmd.startswith("["):
-                        cmd = cmd + stat
                     sample.add_pid(
                         int(pid),
                         ProcessStats(