Function print_human

scripts/jcode_memory_snapshot.py:199–230

(server: list[ProcMem], clients: list[ProcMem], aux: list[ProcMem])

def print_human(server: list[ProcMem], clients: list[ProcMem], aux: list[ProcMem]) -> None:
    def print_group(name: str, procs: list[ProcMem]) -> None:
        totals = sum_totals(procs)
        print(f"\n{name} ({totals.count})")
        print("-" * len(f"{name} ({totals.count})"))
        print(
            f"total: RSS {totals.rss_mb:.1f} MB | PSS {totals.pss_mb:.1f} MB | "
            f"Anon {totals.anon_mb:.1f} MB | Private dirty {totals.private_dirty_mb:.1f} MB"
        )
        for p in sorted(procs, key=lambda x: (x.role, -x.pss_mb, x.pid)):
            label = p.session_id or p.role
            print(
                f"  pid {p.pid:<7} {label:<48} RSS {p.rss_mb:>6.1f} | PSS {p.pss_mb:>6.1f} | "
                f"Anon {p.anon_mb:>6.1f} | PrivDirty {p.private_dirty_mb:>6.1f}"
            )

    print_group("Server", server)
    print_group("Clients", clients)
    if aux:
        print_group("Auxiliary", aux)

    grand = sum_totals(server + clients)
    print("\nPrimary total (server + clients)")
    print("--------------------------------")
    print(
        f"RSS {grand.rss_mb:.1f} MB | PSS {grand.pss_mb:.1f} MB | "
        f"Anon {grand.anon_mb:.1f} MB | Private dirty {grand.private_dirty_mb:.1f} MB | "
        f"Shared clean {grand.shared_clean_mb:.1f} MB"
    )
    print(
        f"Overcount if you sum RSS instead of PSS: {round(grand.rss_mb - grand.pss_mb, 1):.1f} MB"
    )


def main() -> int: