54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
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#!/usr/bin/env python3
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import sys
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import re
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if len(sys.argv) < 2:
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print(f"Usage: {sys.argv[0]} <PID>")
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sys.exit(1)
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pid = sys.argv[1]
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try:
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with open(f"/proc/{pid}/smaps", "r") as f:
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lines = f.readlines()
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except FileNotFoundError:
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print(f"Erreur : le processus {pid} n'existe pas.")
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sys.exit(1)
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except PermissionError:
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print("Erreur : permissions insuffisantes (utilise sudo).")
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sys.exit(1)
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# Entête identique à pmap -x
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print(f"{pid}: [analyse smaps complète]")
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print(f"{'Address':<16} {'Kbytes':>8} {'RSS':>8} {'Dirty':>8} {'Mode':<5} {'Mapping'}")
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print("-" * 65)
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total_size = 0
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total_rss = 0
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total_dirty = 0
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addr, mode, mapping = "", "", ""
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size, rss, dirty = 0, 0, 0
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for line in lines:
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# Ligne d'entête de segment mémoire (ex: 7ffe12340000-7ffe12361000 rw-p ...)
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if re.match(r"^[0-9a-f]", line):
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parts = line.split(maxsplit=5)
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addr = parts[0].split("-")[0].zfill(16)
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mode = parts[1]
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mapping = parts[5].strip() if len(parts) > 5 else "[ anon ]"
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elif line.startswith("Size:"):
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size = int(line.split()[1])
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elif line.startswith("Rss:"):
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rss = int(line.split()[1])
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elif line.startswith("Private_Dirty:"):
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dirty = int(line.split()[1])
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# Fin de la lecture des métriques clés du segment -> Affichage
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print(f"{addr:<16} {size:>8} {rss:>8} {dirty:>8} {mode:<5} {mapping}")
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total_size += size
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total_rss += rss
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total_dirty += dirty
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print("-" * 65)
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print(f"{'total kB':<16} {total_size:>8} {total_rss:>8} {total_dirty:>8}")
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