diff --git a/pyrightconfig.stricter.json b/pyrightconfig.stricter.json
index b3d95ae0c..8f4bb75ba 100644
--- a/pyrightconfig.stricter.json
+++ b/pyrightconfig.stricter.json
@@ -43,6 +43,7 @@
         "stubs/Pillow",
         "stubs/paramiko",
         "stubs/protobuf",
+        "stubs/psutil",
         "stubs/Pygments",
         "stubs/PyMySQL",
         "stubs/python-dateutil",
diff --git a/stubs/psutil/@tests/stubtest_allowlist.txt b/stubs/psutil/@tests/stubtest_allowlist.txt
new file mode 100644
index 000000000..1f62a50cb
--- /dev/null
+++ b/stubs/psutil/@tests/stubtest_allowlist.txt
@@ -0,0 +1,4 @@
+psutil._psbsd
+psutil._psosx
+psutil._psutil_windows
+psutil._pswindows
diff --git a/stubs/psutil/METADATA.toml b/stubs/psutil/METADATA.toml
new file mode 100644
index 000000000..0948fc580
--- /dev/null
+++ b/stubs/psutil/METADATA.toml
@@ -0,0 +1 @@
+version = "5.8"
diff --git a/stubs/psutil/psutil/__init__.pyi b/stubs/psutil/psutil/__init__.pyi
new file mode 100644
index 000000000..9544c649d
--- /dev/null
+++ b/stubs/psutil/psutil/__init__.pyi
@@ -0,0 +1,196 @@
+import sys
+from typing import Any
+
+from ._common import (
+    AIX as AIX,
+    BSD as BSD,
+    CONN_CLOSE as CONN_CLOSE,
+    CONN_CLOSE_WAIT as CONN_CLOSE_WAIT,
+    CONN_CLOSING as CONN_CLOSING,
+    CONN_ESTABLISHED as CONN_ESTABLISHED,
+    CONN_FIN_WAIT1 as CONN_FIN_WAIT1,
+    CONN_FIN_WAIT2 as CONN_FIN_WAIT2,
+    CONN_LAST_ACK as CONN_LAST_ACK,
+    CONN_LISTEN as CONN_LISTEN,
+    CONN_NONE as CONN_NONE,
+    CONN_SYN_RECV as CONN_SYN_RECV,
+    CONN_SYN_SENT as CONN_SYN_SENT,
+    CONN_TIME_WAIT as CONN_TIME_WAIT,
+    FREEBSD as FREEBSD,
+    LINUX as LINUX,
+    MACOS as MACOS,
+    NETBSD as NETBSD,
+    NIC_DUPLEX_FULL as NIC_DUPLEX_FULL,
+    NIC_DUPLEX_HALF as NIC_DUPLEX_HALF,
+    NIC_DUPLEX_UNKNOWN as NIC_DUPLEX_UNKNOWN,
+    OPENBSD as OPENBSD,
+    OSX as OSX,
+    POSIX as POSIX,
+    POWER_TIME_UNKNOWN as POWER_TIME_UNKNOWN,
+    POWER_TIME_UNLIMITED as POWER_TIME_UNLIMITED,
+    STATUS_DEAD as STATUS_DEAD,
+    STATUS_DISK_SLEEP as STATUS_DISK_SLEEP,
+    STATUS_IDLE as STATUS_IDLE,
+    STATUS_LOCKED as STATUS_LOCKED,
+    STATUS_PARKED as STATUS_PARKED,
+    STATUS_RUNNING as STATUS_RUNNING,
+    STATUS_SLEEPING as STATUS_SLEEPING,
+    STATUS_STOPPED as STATUS_STOPPED,
+    STATUS_TRACING_STOP as STATUS_TRACING_STOP,
+    STATUS_WAITING as STATUS_WAITING,
+    STATUS_WAKING as STATUS_WAKING,
+    STATUS_ZOMBIE as STATUS_ZOMBIE,
+    SUNOS as SUNOS,
+    WINDOWS as WINDOWS,
+    AccessDenied as AccessDenied,
+    Error as Error,
+    NoSuchProcess as NoSuchProcess,
+    TimeoutExpired as TimeoutExpired,
+    ZombieProcess as ZombieProcess,
+)
+
+if sys.platform == "linux":
+    from ._pslinux import (
+        IOPRIO_CLASS_BE as IOPRIO_CLASS_BE,
+        IOPRIO_CLASS_IDLE as IOPRIO_CLASS_IDLE,
+        IOPRIO_CLASS_NONE as IOPRIO_CLASS_NONE,
+        IOPRIO_CLASS_RT as IOPRIO_CLASS_RT,
+    )
+if sys.platform == "win32":
+    from ._psutil_windows import (
+        ABOVE_NORMAL_PRIORITY_CLASS as ABOVE_NORMAL_PRIORITY_CLASS,
+        BELOW_NORMAL_PRIORITY_CLASS as BELOW_NORMAL_PRIORITY_CLASS,
+        HIGH_PRIORITY_CLASS as HIGH_PRIORITY_CLASS,
+        IDLE_PRIORITY_CLASS as IDLE_PRIORITY_CLASS,
+        NORMAL_PRIORITY_CLASS as NORMAL_PRIORITY_CLASS,
+        REALTIME_PRIORITY_CLASS as REALTIME_PRIORITY_CLASS,
+    )
+    from ._pswindows import (
+        CONN_DELETE_TCB as CONN_DELETE_TCB,
+        IOPRIO_HIGH as IOPRIO_HIGH,
+        IOPRIO_LOW as IOPRIO_LOW,
+        IOPRIO_NORMAL as IOPRIO_NORMAL,
+        IOPRIO_VERYLOW as IOPRIO_VERYLOW,
+        win_service_iter as win_service_iter,
+    )
+
+if sys.platform == "linux":
+    PROCFS_PATH: str
+AF_LINK: Any
+version_info: Any
+__version__: Any
+
+class Process:
+    def __init__(self, pid: Any | None = ...) -> None: ...
+    def __eq__(self, other): ...
+    def __ne__(self, other): ...
+    def __hash__(self): ...
+    @property
+    def pid(self): ...
+    def oneshot(self) -> None: ...
+    def as_dict(self, attrs: Any | None = ..., ad_value: Any | None = ...): ...
+    def parent(self): ...
+    def parents(self): ...
+    def is_running(self): ...
+    def ppid(self): ...
+    def name(self): ...
+    def exe(self): ...
+    def cmdline(self): ...
+    def status(self): ...
+    def username(self): ...
+    def create_time(self): ...
+    def cwd(self): ...
+    def nice(self, value: Any | None = ...): ...
+    def uids(self): ...
+    def gids(self): ...
+    def terminal(self): ...
+    def num_fds(self): ...
+    if sys.platform != "darwin":
+        def io_counters(self): ...
+        def ionice(self, ioclass: Any | None = ..., value: Any | None = ...): ...
+    if sys.platform == "linux":
+        def rlimit(self, resource, limits: Any | None = ...): ...
+    if sys.platform != "darwin":
+        def cpu_affinity(self, cpus: Any | None = ...): ...
+    if sys.platform == "linux":
+        def cpu_num(self): ...
+    def environ(self): ...
+    if sys.platform == "win32":
+        def num_handles(self): ...
+    def num_ctx_switches(self): ...
+    def num_threads(self): ...
+    def threads(self): ...
+    def children(self, recursive: bool = ...): ...
+    def cpu_percent(self, interval: Any | None = ...): ...
+    def cpu_times(self): ...
+    def memory_info(self): ...
+    def memory_info_ex(self): ...
+    def memory_full_info(self): ...
+    def memory_percent(self, memtype: str = ...): ...
+    if sys.platform != "darwin":
+        def memory_maps(self, grouped: bool = ...): ...
+    def open_files(self): ...
+    def connections(self, kind: str = ...): ...
+    def send_signal(self, sig) -> None: ...
+    def suspend(self) -> None: ...
+    def resume(self) -> None: ...
+    def terminate(self) -> None: ...
+    def kill(self) -> None: ...
+    def wait(self, timeout: Any | None = ...): ...
+
+class Popen(Process):
+    def __init__(self, *args, **kwargs) -> None: ...
+    def __dir__(self): ...
+    def __enter__(self): ...
+    def __exit__(self, *args, **kwargs): ...
+    def __getattribute__(self, name): ...
+    def wait(self, timeout: Any | None = ...): ...
+
+def pids(): ...
+def pid_exists(pid): ...
+def process_iter(attrs: Any | None = ..., ad_value: Any | None = ...): ...
+def wait_procs(procs, timeout: Any | None = ..., callback: Any | None = ...): ...
+def cpu_count(logical: bool = ...): ...
+def cpu_times(percpu: bool = ...): ...
+def cpu_percent(interval: Any | None = ..., percpu: bool = ...): ...
+def cpu_times_percent(interval: Any | None = ..., percpu: bool = ...): ...
+def cpu_stats(): ...
+def cpu_freq(percpu: bool = ...): ...
+def getloadavg(): ...
+def virtual_memory(): ...
+def swap_memory(): ...
+def disk_usage(path): ...
+def disk_partitions(all: bool = ...): ...
+def disk_io_counters(perdisk: bool = ..., nowrap: bool = ...): ...
+def net_io_counters(pernic: bool = ..., nowrap: bool = ...): ...
+def net_connections(kind: str = ...): ...
+def net_if_addrs(): ...
+def net_if_stats(): ...
+
+if sys.platform == "linux":
+    def sensors_temperatures(fahrenheit: bool = ...): ...
+    def sensors_fans(): ...
+
+if sys.platform != "win32":
+    def sensors_battery(): ...
+
+def boot_time(): ...
+def users(): ...
+
+if sys.platform == "linux":
+    RLIMIT_AS: int
+    RLIMIT_CORE: int
+    RLIMIT_CPU: int
+    RLIMIT_DATA: int
+    RLIMIT_FSIZE: int
+    RLIMIT_LOCKS: int
+    RLIMIT_MEMLOCK: int
+    RLIMIT_MSGQUEUE: int
+    RLIMIT_NICE: int
+    RLIMIT_NOFILE: int
+    RLIMIT_NPROC: int
+    RLIMIT_RSS: int
+    RLIMIT_RTPRIO: int
+    RLIMIT_SIGPENDING: int
+    RLIMIT_STACK: int
+    RLIM_INFINITY: int
diff --git a/stubs/psutil/psutil/_common.pyi b/stubs/psutil/psutil/_common.pyi
new file mode 100644
index 000000000..3cdd50fdc
--- /dev/null
+++ b/stubs/psutil/psutil/_common.pyi
@@ -0,0 +1,268 @@
+import enum
+from typing import Any, NamedTuple
+
+POSIX: Any
+WINDOWS: Any
+LINUX: Any
+MACOS: Any
+OSX: Any
+FREEBSD: Any
+OPENBSD: Any
+NETBSD: Any
+BSD: Any
+SUNOS: Any
+AIX: Any
+STATUS_RUNNING: str
+STATUS_SLEEPING: str
+STATUS_DISK_SLEEP: str
+STATUS_STOPPED: str
+STATUS_TRACING_STOP: str
+STATUS_ZOMBIE: str
+STATUS_DEAD: str
+STATUS_WAKE_KILL: str
+STATUS_WAKING: str
+STATUS_IDLE: str
+STATUS_LOCKED: str
+STATUS_WAITING: str
+STATUS_SUSPENDED: str
+STATUS_PARKED: str
+CONN_ESTABLISHED: str
+CONN_SYN_SENT: str
+CONN_SYN_RECV: str
+CONN_FIN_WAIT1: str
+CONN_FIN_WAIT2: str
+CONN_TIME_WAIT: str
+CONN_CLOSE: str
+CONN_CLOSE_WAIT: str
+CONN_LAST_ACK: str
+CONN_LISTEN: str
+CONN_CLOSING: str
+CONN_NONE: str
+NIC_DUPLEX_FULL: int
+NIC_DUPLEX_HALF: int
+NIC_DUPLEX_UNKNOWN: int
+
+class NicDuplex(enum.IntEnum):
+    NIC_DUPLEX_FULL: int
+    NIC_DUPLEX_HALF: int
+    NIC_DUPLEX_UNKNOWN: int
+
+POWER_TIME_UNKNOWN: int
+POWER_TIME_UNLIMITED: int
+
+class BatteryTime(enum.IntEnum):
+    POWER_TIME_UNKNOWN: int
+    POWER_TIME_UNLIMITED: int
+
+ENCODING: Any
+ENCODING_ERRS: Any
+
+class sswap(NamedTuple):
+    total: Any
+    used: Any
+    free: Any
+    percent: Any
+    sin: Any
+    sout: Any
+
+class sdiskusage(NamedTuple):
+    total: Any
+    used: Any
+    free: Any
+    percent: Any
+
+class sdiskio(NamedTuple):
+    read_count: Any
+    write_count: Any
+    read_bytes: Any
+    write_bytes: Any
+    read_time: Any
+    write_time: Any
+
+class sdiskpart(NamedTuple):
+    device: Any
+    mountpoint: Any
+    fstype: Any
+    opts: Any
+    maxfile: Any
+    maxpath: Any
+
+class snetio(NamedTuple):
+    bytes_sent: Any
+    bytes_recv: Any
+    packets_sent: Any
+    packets_recv: Any
+    errin: Any
+    errout: Any
+    dropin: Any
+    dropout: Any
+
+class suser(NamedTuple):
+    name: Any
+    terminal: Any
+    host: Any
+    started: Any
+    pid: Any
+
+class sconn(NamedTuple):
+    fd: Any
+    family: Any
+    type: Any
+    laddr: Any
+    raddr: Any
+    status: Any
+    pid: Any
+
+class snicaddr(NamedTuple):
+    family: Any
+    address: Any
+    netmask: Any
+    broadcast: Any
+    ptp: Any
+
+class snicstats(NamedTuple):
+    isup: Any
+    duplex: Any
+    speed: Any
+    mtu: Any
+
+class scpustats(NamedTuple):
+    ctx_switches: Any
+    interrupts: Any
+    soft_interrupts: Any
+    syscalls: Any
+
+class scpufreq(NamedTuple):
+    current: Any
+    min: Any
+    max: Any
+
+class shwtemp(NamedTuple):
+    label: Any
+    current: Any
+    high: Any
+    critical: Any
+
+class sbattery(NamedTuple):
+    percent: Any
+    secsleft: Any
+    power_plugged: Any
+
+class sfan(NamedTuple):
+    label: Any
+    current: Any
+
+class pcputimes(NamedTuple):
+    user: Any
+    system: Any
+    children_user: Any
+    children_system: Any
+
+class popenfile(NamedTuple):
+    path: Any
+    fd: Any
+
+class pthread(NamedTuple):
+    id: Any
+    user_time: Any
+    system_time: Any
+
+class puids(NamedTuple):
+    real: Any
+    effective: Any
+    saved: Any
+
+class pgids(NamedTuple):
+    real: Any
+    effective: Any
+    saved: Any
+
+class pio(NamedTuple):
+    read_count: Any
+    write_count: Any
+    read_bytes: Any
+    write_bytes: Any
+
+class pionice(NamedTuple):
+    ioclass: Any
+    value: Any
+
+class pctxsw(NamedTuple):
+    voluntary: Any
+    involuntary: Any
+
+class pconn(NamedTuple):
+    fd: Any
+    family: Any
+    type: Any
+    laddr: Any
+    raddr: Any
+    status: Any
+
+class addr(NamedTuple):
+    ip: Any
+    port: Any
+
+conn_tmap: Any
+
+class Error(Exception):
+    __module__: str
+    msg: Any
+    def __init__(self, msg: str = ...) -> None: ...
+
+class NoSuchProcess(Error):
+    __module__: str
+    pid: Any
+    name: Any
+    msg: Any
+    def __init__(self, pid, name: Any | None = ..., msg: Any | None = ...) -> None: ...
+
+class ZombieProcess(NoSuchProcess):
+    __module__: str
+    pid: Any
+    ppid: Any
+    name: Any
+    msg: Any
+    def __init__(self, pid, name: Any | None = ..., ppid: Any | None = ..., msg: Any | None = ...) -> None: ...
+
+class AccessDenied(Error):
+    __module__: str
+    pid: Any
+    name: Any
+    msg: Any
+    def __init__(self, pid: Any | None = ..., name: Any | None = ..., msg: Any | None = ...) -> None: ...
+
+class TimeoutExpired(Error):
+    __module__: str
+    seconds: Any
+    pid: Any
+    name: Any
+    def __init__(self, seconds, pid: Any | None = ..., name: Any | None = ...) -> None: ...
+
+def usage_percent(used, total, round_: Any | None = ...): ...
+def memoize(fun): ...
+def isfile_strict(path): ...
+def path_exists_strict(path): ...
+def supports_ipv6(): ...
+def parse_environ_block(data): ...
+def sockfam_to_enum(num): ...
+def socktype_to_enum(num): ...
+def conn_to_ntuple(fd, fam, type_, laddr, raddr, status, status_map, pid: Any | None = ...): ...
+def deprecated_method(replacement): ...
+
+class _WrapNumbers:
+    lock: Any
+    cache: Any
+    reminders: Any
+    reminder_keys: Any
+    def __init__(self) -> None: ...
+    def run(self, input_dict, name): ...
+    def cache_clear(self, name: Any | None = ...) -> None: ...
+    def cache_info(self): ...
+
+def wrap_numbers(input_dict, name): ...
+def bytes2human(n, format: str = ...): ...
+def term_supports_colors(file=...): ...
+def hilite(s, color: Any | None = ..., bold: bool = ...): ...
+def print_color(s, color: Any | None = ..., bold: bool = ..., file=...) -> None: ...
+def debug(msg) -> None: ...
diff --git a/stubs/psutil/psutil/_compat.pyi b/stubs/psutil/psutil/_compat.pyi
new file mode 100644
index 000000000..b4efc9d98
--- /dev/null
+++ b/stubs/psutil/psutil/_compat.pyi
@@ -0,0 +1,6 @@
+FileNotFoundError = FileNotFoundError
+PermissionError = PermissionError
+ProcessLookupError = ProcessLookupError
+InterruptedError = InterruptedError
+ChildProcessError = ChildProcessError
+FileExistsError = FileExistsError
diff --git a/stubs/psutil/psutil/_psbsd.pyi b/stubs/psutil/psutil/_psbsd.pyi
new file mode 100644
index 000000000..f61436c73
--- /dev/null
+++ b/stubs/psutil/psutil/_psbsd.pyi
@@ -0,0 +1,162 @@
+from typing import Any, NamedTuple
+
+from ._common import (
+    FREEBSD as FREEBSD,
+    NETBSD as NETBSD,
+    OPENBSD as OPENBSD,
+    AccessDenied as AccessDenied,
+    NoSuchProcess as NoSuchProcess,
+    ZombieProcess as ZombieProcess,
+    conn_tmap as conn_tmap,
+    conn_to_ntuple as conn_to_ntuple,
+    memoize as memoize,
+    usage_percent as usage_percent,
+)
+
+__extra__all__: Any
+PROC_STATUSES: Any
+TCP_STATUSES: Any
+PAGESIZE: Any
+AF_LINK: Any
+HAS_PER_CPU_TIMES: Any
+HAS_PROC_NUM_THREADS: Any
+HAS_PROC_OPEN_FILES: Any
+HAS_PROC_NUM_FDS: Any
+kinfo_proc_map: Any
+
+class svmem(NamedTuple):
+    total: Any
+    available: Any
+    percent: Any
+    used: Any
+    free: Any
+    active: Any
+    inactive: Any
+    buffers: Any
+    cached: Any
+    shared: Any
+    wired: Any
+
+class scputimes(NamedTuple):
+    user: Any
+    nice: Any
+    system: Any
+    idle: Any
+    irq: Any
+
+class pmem(NamedTuple):
+    rss: Any
+    vms: Any
+    text: Any
+    data: Any
+    stack: Any
+
+pfullmem = pmem
+
+class pcputimes(NamedTuple):
+    user: Any
+    system: Any
+    children_user: Any
+    children_system: Any
+
+class pmmap_grouped(NamedTuple):
+    path: Any
+    rss: Any
+    private: Any
+    ref_count: Any
+    shadow_count: Any
+
+class pmmap_ext(NamedTuple):
+    addr: Any
+    perms: Any
+    path: Any
+    rss: Any
+    private: Any
+    ref_count: Any
+    shadow_count: Any
+
+class sdiskio(NamedTuple):
+    read_count: Any
+    write_count: Any
+    read_bytes: Any
+    write_bytes: Any
+    read_time: Any
+    write_time: Any
+    busy_time: Any
+
+def virtual_memory(): ...
+def swap_memory(): ...
+def cpu_times(): ...
+def per_cpu_times(): ...
+def cpu_count_logical(): ...
+def cpu_count_physical(): ...
+def cpu_stats(): ...
+def disk_partitions(all: bool = ...): ...
+
+disk_usage: Any
+disk_io_counters: Any
+net_io_counters: Any
+net_if_addrs: Any
+
+def net_if_stats(): ...
+def net_connections(kind): ...
+def sensors_battery(): ...
+def sensors_temperatures(): ...
+def cpu_freq(): ...
+def boot_time(): ...
+def users(): ...
+def pids(): ...
+def pid_exists(pid): ...
+def is_zombie(pid): ...
+def wrap_exceptions(fun): ...
+def wrap_exceptions_procfs(inst) -> None: ...
+
+class Process:
+    pid: Any
+    def __init__(self, pid) -> None: ...
+    def oneshot(self): ...
+    def oneshot_enter(self) -> None: ...
+    def oneshot_exit(self) -> None: ...
+    def name(self): ...
+    def exe(self): ...
+    def cmdline(self): ...
+    def environ(self): ...
+    def terminal(self): ...
+    def ppid(self): ...
+    def uids(self): ...
+    def gids(self): ...
+    def cpu_times(self): ...
+    def cpu_num(self): ...
+    def memory_info(self): ...
+    memory_full_info: Any
+    def create_time(self): ...
+    def num_threads(self): ...
+    def num_ctx_switches(self): ...
+    def threads(self): ...
+    def connections(self, kind: str = ...): ...
+    def wait(self, timeout: Any | None = ...): ...
+    def nice_get(self): ...
+    def nice_set(self, value): ...
+    def status(self): ...
+    def io_counters(self): ...
+    def cwd(self): ...
+    class nt_mmap_grouped(NamedTuple):
+        path: Any
+        rss: Any
+        private: Any
+        ref_count: Any
+        shadow_count: Any
+    class nt_mmap_ext(NamedTuple):
+        addr: Any
+        perms: Any
+        path: Any
+        rss: Any
+        private: Any
+        ref_count: Any
+        shadow_count: Any
+    def open_files(self): ...
+    def num_fds(self): ...
+    def cpu_affinity_get(self): ...
+    def cpu_affinity_set(self, cpus) -> None: ...
+    def memory_maps(self): ...
+    def rlimit(self, resource, limits: Any | None = ...): ...
diff --git a/stubs/psutil/psutil/_pslinux.pyi b/stubs/psutil/psutil/_pslinux.pyi
new file mode 100644
index 000000000..6794cfb3b
--- /dev/null
+++ b/stubs/psutil/psutil/_pslinux.pyi
@@ -0,0 +1,206 @@
+import enum
+from typing import Any, NamedTuple
+
+from ._common import (
+    NIC_DUPLEX_FULL as NIC_DUPLEX_FULL,
+    NIC_DUPLEX_HALF as NIC_DUPLEX_HALF,
+    NIC_DUPLEX_UNKNOWN as NIC_DUPLEX_UNKNOWN,
+    AccessDenied as AccessDenied,
+    NoSuchProcess as NoSuchProcess,
+    ZombieProcess as ZombieProcess,
+    isfile_strict as isfile_strict,
+    parse_environ_block as parse_environ_block,
+    path_exists_strict as path_exists_strict,
+    supports_ipv6 as supports_ipv6,
+    usage_percent as usage_percent,
+)
+
+__extra__all__: Any
+POWER_SUPPLY_PATH: str
+HAS_SMAPS: Any
+HAS_PROC_IO_PRIORITY: Any
+HAS_CPU_AFFINITY: Any
+CLOCK_TICKS: Any
+PAGESIZE: Any
+BOOT_TIME: Any
+BIGFILE_BUFFERING: Any
+LITTLE_ENDIAN: Any
+DISK_SECTOR_SIZE: int
+AF_LINK: Any
+AddressFamily: Any
+IOPRIO_CLASS_NONE: int
+IOPRIO_CLASS_RT: int
+IOPRIO_CLASS_BE: int
+IOPRIO_CLASS_IDLE: int
+
+class IOPriority(enum.IntEnum):
+    IOPRIO_CLASS_NONE: int
+    IOPRIO_CLASS_RT: int
+    IOPRIO_CLASS_BE: int
+    IOPRIO_CLASS_IDLE: int
+
+PROC_STATUSES: Any
+TCP_STATUSES: Any
+
+class svmem(NamedTuple):
+    total: Any
+    available: Any
+    percent: Any
+    used: Any
+    free: Any
+    active: Any
+    inactive: Any
+    buffers: Any
+    cached: Any
+    shared: Any
+    slab: Any
+
+class sdiskio(NamedTuple):
+    read_count: Any
+    write_count: Any
+    read_bytes: Any
+    write_bytes: Any
+    read_time: Any
+    write_time: Any
+    read_merged_count: Any
+    write_merged_count: Any
+    busy_time: Any
+
+class popenfile(NamedTuple):
+    path: Any
+    fd: Any
+    position: Any
+    mode: Any
+    flags: Any
+
+class pmem(NamedTuple):
+    rss: Any
+    vms: Any
+    shared: Any
+    text: Any
+    lib: Any
+    data: Any
+    dirty: Any
+
+pfullmem: Any
+
+class pmmap_grouped(NamedTuple):
+    path: Any
+    rss: Any
+    size: Any
+    pss: Any
+    shared_clean: Any
+    shared_dirty: Any
+    private_clean: Any
+    private_dirty: Any
+    referenced: Any
+    anonymous: Any
+    swap: Any
+
+pmmap_ext: Any
+
+class pio(NamedTuple):
+    read_count: Any
+    write_count: Any
+    read_bytes: Any
+    write_bytes: Any
+    read_chars: Any
+    write_chars: Any
+
+class pcputimes(NamedTuple):
+    user: Any
+    system: Any
+    children_user: Any
+    children_system: Any
+    iowait: Any
+
+def readlink(path): ...
+def file_flags_to_mode(flags): ...
+def is_storage_device(name): ...
+def set_scputimes_ntuple(procfs_path) -> None: ...
+def cat(fname, fallback=..., binary: bool = ...): ...
+
+scputimes: Any
+prlimit: Any
+
+def calculate_avail_vmem(mems): ...
+def virtual_memory(): ...
+def swap_memory(): ...
+def cpu_times(): ...
+def per_cpu_times(): ...
+def cpu_count_logical(): ...
+def cpu_count_physical(): ...
+def cpu_stats(): ...
+def cpu_freq(): ...
+
+net_if_addrs: Any
+
+class _Ipv6UnsupportedError(Exception): ...
+
+class Connections:
+    tmap: Any
+    def __init__(self) -> None: ...
+    def get_proc_inodes(self, pid): ...
+    def get_all_inodes(self): ...
+    @staticmethod
+    def decode_address(addr, family): ...
+    @staticmethod
+    def process_inet(file, family, type_, inodes, filter_pid: Any | None = ...) -> None: ...
+    @staticmethod
+    def process_unix(file, family, inodes, filter_pid: Any | None = ...) -> None: ...
+    def retrieve(self, kind, pid: Any | None = ...): ...
+
+def net_connections(kind: str = ...): ...
+def net_io_counters(): ...
+def net_if_stats(): ...
+
+disk_usage: Any
+
+def disk_io_counters(perdisk: bool = ...): ...
+def disk_partitions(all: bool = ...): ...
+def sensors_temperatures(): ...
+def sensors_fans(): ...
+def sensors_battery(): ...
+def users(): ...
+def boot_time(): ...
+def pids(): ...
+def pid_exists(pid): ...
+def ppid_map(): ...
+def wrap_exceptions(fun): ...
+
+class Process:
+    pid: Any
+    def __init__(self, pid) -> None: ...
+    def oneshot_enter(self) -> None: ...
+    def oneshot_exit(self) -> None: ...
+    def name(self): ...
+    def exe(self): ...
+    def cmdline(self): ...
+    def environ(self): ...
+    def terminal(self): ...
+    def io_counters(self): ...
+    def cpu_times(self): ...
+    def cpu_num(self): ...
+    def wait(self, timeout: Any | None = ...): ...
+    def create_time(self): ...
+    def memory_info(self): ...
+    def memory_full_info(self, _private_re=..., _pss_re=..., _swap_re=...): ...
+    def memory_maps(self): ...
+    def cwd(self): ...
+    def num_ctx_switches(self, _ctxsw_re=...): ...
+    def num_threads(self, _num_threads_re=...): ...
+    def threads(self): ...
+    def nice_get(self): ...
+    def nice_set(self, value): ...
+    def cpu_affinity_get(self): ...
+    def cpu_affinity_set(self, cpus) -> None: ...
+    def ionice_get(self): ...
+    def ionice_set(self, ioclass, value): ...
+    def rlimit(self, resource_, limits: Any | None = ...): ...
+    def status(self): ...
+    def open_files(self): ...
+    def connections(self, kind: str = ...): ...
+    def num_fds(self): ...
+    def ppid(self): ...
+    def uids(self, _uids_re=...): ...
+    def gids(self, _gids_re=...): ...
diff --git a/stubs/psutil/psutil/_psosx.pyi b/stubs/psutil/psutil/_psosx.pyi
new file mode 100644
index 000000000..cd828e436
--- /dev/null
+++ b/stubs/psutil/psutil/_psosx.pyi
@@ -0,0 +1,103 @@
+from typing import Any, NamedTuple
+
+from ._common import (
+    AccessDenied as AccessDenied,
+    NoSuchProcess as NoSuchProcess,
+    ZombieProcess as ZombieProcess,
+    conn_tmap as conn_tmap,
+    conn_to_ntuple as conn_to_ntuple,
+    isfile_strict as isfile_strict,
+    parse_environ_block as parse_environ_block,
+    usage_percent as usage_percent,
+)
+
+__extra__all__: Any
+PAGESIZE: Any
+AF_LINK: Any
+TCP_STATUSES: Any
+PROC_STATUSES: Any
+kinfo_proc_map: Any
+pidtaskinfo_map: Any
+
+class scputimes(NamedTuple):
+    user: Any
+    nice: Any
+    system: Any
+    idle: Any
+
+class svmem(NamedTuple):
+    total: Any
+    available: Any
+    percent: Any
+    used: Any
+    free: Any
+    active: Any
+    inactive: Any
+    wired: Any
+
+class pmem(NamedTuple):
+    rss: Any
+    vms: Any
+    pfaults: Any
+    pageins: Any
+
+pfullmem: Any
+
+def virtual_memory(): ...
+def swap_memory(): ...
+def cpu_times(): ...
+def per_cpu_times(): ...
+def cpu_count_logical(): ...
+def cpu_count_physical(): ...
+def cpu_stats(): ...
+def cpu_freq(): ...
+
+disk_usage: Any
+disk_io_counters: Any
+
+def disk_partitions(all: bool = ...): ...
+def sensors_battery(): ...
+
+net_io_counters: Any
+net_if_addrs: Any
+
+def net_connections(kind: str = ...): ...
+def net_if_stats(): ...
+def boot_time(): ...
+def users(): ...
+def pids(): ...
+
+pid_exists: Any
+
+def is_zombie(pid): ...
+def wrap_exceptions(fun): ...
+def catch_zombie(proc) -> None: ...
+
+class Process:
+    pid: Any
+    def __init__(self, pid) -> None: ...
+    def oneshot_enter(self) -> None: ...
+    def oneshot_exit(self) -> None: ...
+    def name(self): ...
+    def exe(self): ...
+    def cmdline(self): ...
+    def environ(self): ...
+    def ppid(self): ...
+    def cwd(self): ...
+    def uids(self): ...
+    def gids(self): ...
+    def terminal(self): ...
+    def memory_info(self): ...
+    def memory_full_info(self): ...
+    def cpu_times(self): ...
+    def create_time(self): ...
+    def num_ctx_switches(self): ...
+    def num_threads(self): ...
+    def open_files(self): ...
+    def connections(self, kind: str = ...): ...
+    def num_fds(self): ...
+    def wait(self, timeout: Any | None = ...): ...
+    def nice_get(self): ...
+    def nice_set(self, value): ...
+    def status(self): ...
+    def threads(self): ...
diff --git a/stubs/psutil/psutil/_psposix.pyi b/stubs/psutil/psutil/_psposix.pyi
new file mode 100644
index 000000000..8b754aff0
--- /dev/null
+++ b/stubs/psutil/psutil/_psposix.pyi
@@ -0,0 +1,8 @@
+from typing import Any
+
+def pid_exists(pid): ...
+def wait_pid(
+    pid, timeout: Any | None = ..., proc_name: Any | None = ..., _waitpid=..., _timer=..., _min=..., _sleep=..., _pid_exists=...
+): ...
+def disk_usage(path): ...
+def get_terminal_map(): ...
diff --git a/stubs/psutil/psutil/_psutil_linux.pyi b/stubs/psutil/psutil/_psutil_linux.pyi
new file mode 100644
index 000000000..949d6a7e7
--- /dev/null
+++ b/stubs/psutil/psutil/_psutil_linux.pyi
@@ -0,0 +1,16 @@
+from typing import Any
+
+DUPLEX_FULL: int
+DUPLEX_HALF: int
+DUPLEX_UNKNOWN: int
+version: int
+
+def disk_partitions(*args, **kwargs) -> Any: ...
+def linux_sysinfo(*args, **kwargs) -> Any: ...
+def net_if_duplex_speed(*args, **kwargs) -> Any: ...
+def proc_cpu_affinity_get(*args, **kwargs) -> Any: ...
+def proc_cpu_affinity_set(*args, **kwargs) -> Any: ...
+def proc_ioprio_get(*args, **kwargs) -> Any: ...
+def proc_ioprio_set(*args, **kwargs) -> Any: ...
+def set_testing(*args, **kwargs) -> Any: ...
+def users(*args, **kwargs) -> Any: ...
diff --git a/stubs/psutil/psutil/_psutil_posix.pyi b/stubs/psutil/psutil/_psutil_posix.pyi
new file mode 100644
index 000000000..91e2302ec
--- /dev/null
+++ b/stubs/psutil/psutil/_psutil_posix.pyi
@@ -0,0 +1,31 @@
+import sys
+from typing import Any
+
+if sys.platform == "linux":
+    RLIMIT_AS: int
+    RLIMIT_CORE: int
+    RLIMIT_CPU: int
+    RLIMIT_DATA: int
+    RLIMIT_FSIZE: int
+    RLIMIT_LOCKS: int
+    RLIMIT_MEMLOCK: int
+    RLIMIT_MSGQUEUE: int
+    RLIMIT_NICE: int
+    RLIMIT_NOFILE: int
+    RLIMIT_NPROC: int
+    RLIMIT_RSS: int
+    RLIMIT_RTPRIO: int
+    RLIMIT_SIGPENDING: int
+    RLIMIT_STACK: int
+    RLIM_INFINITY: int
+
+def getpagesize(*args, **kwargs) -> Any: ...
+def getpriority(*args, **kwargs) -> Any: ...
+def net_if_addrs(*args, **kwargs) -> Any: ...
+def net_if_is_running(*args, **kwargs) -> Any: ...
+def net_if_mtu(*args, **kwargs) -> Any: ...
+
+if sys.platform == "darwin":
+    def net_if_duplex_speed(*args, **kwargs): ...
+
+def setpriority(*args, **kwargs) -> Any: ...
diff --git a/stubs/psutil/psutil/_psutil_windows.pyi b/stubs/psutil/psutil/_psutil_windows.pyi
new file mode 100644
index 000000000..964e6fa3f
--- /dev/null
+++ b/stubs/psutil/psutil/_psutil_windows.pyi
@@ -0,0 +1,3 @@
+from typing import Any
+
+def __getattr__(name: str) -> Any: ...  # incomplete
diff --git a/stubs/psutil/psutil/_pswindows.pyi b/stubs/psutil/psutil/_pswindows.pyi
new file mode 100644
index 000000000..6d39f0e75
--- /dev/null
+++ b/stubs/psutil/psutil/_pswindows.pyi
@@ -0,0 +1,186 @@
+import enum
+from typing import Any, NamedTuple
+
+from ._common import (
+    ENCODING as ENCODING,
+    ENCODING_ERRS as ENCODING_ERRS,
+    AccessDenied as AccessDenied,
+    NoSuchProcess as NoSuchProcess,
+    TimeoutExpired as TimeoutExpired,
+    conn_tmap as conn_tmap,
+    conn_to_ntuple as conn_to_ntuple,
+    debug as debug,
+    isfile_strict as isfile_strict,
+    memoize as memoize,
+    parse_environ_block as parse_environ_block,
+    usage_percent as usage_percent,
+)
+from ._psutil_windows import (
+    ABOVE_NORMAL_PRIORITY_CLASS as ABOVE_NORMAL_PRIORITY_CLASS,
+    BELOW_NORMAL_PRIORITY_CLASS as BELOW_NORMAL_PRIORITY_CLASS,
+    HIGH_PRIORITY_CLASS as HIGH_PRIORITY_CLASS,
+    IDLE_PRIORITY_CLASS as IDLE_PRIORITY_CLASS,
+    NORMAL_PRIORITY_CLASS as NORMAL_PRIORITY_CLASS,
+    REALTIME_PRIORITY_CLASS as REALTIME_PRIORITY_CLASS,
+)
+
+msg: str
+__extra__all__: Any
+CONN_DELETE_TCB: str
+ERROR_PARTIAL_COPY: int
+PYPY: Any
+AF_LINK: int
+AddressFamily: Any
+TCP_STATUSES: Any
+
+class Priority(enum.IntEnum):
+    ABOVE_NORMAL_PRIORITY_CLASS: Any
+    BELOW_NORMAL_PRIORITY_CLASS: Any
+    HIGH_PRIORITY_CLASS: Any
+    IDLE_PRIORITY_CLASS: Any
+    NORMAL_PRIORITY_CLASS: Any
+    REALTIME_PRIORITY_CLASS: Any
+
+IOPRIO_VERYLOW: int
+IOPRIO_LOW: int
+IOPRIO_NORMAL: int
+IOPRIO_HIGH: int
+
+class IOPriority(enum.IntEnum):
+    IOPRIO_VERYLOW: int
+    IOPRIO_LOW: int
+    IOPRIO_NORMAL: int
+    IOPRIO_HIGH: int
+
+pinfo_map: Any
+
+class scputimes(NamedTuple):
+    user: Any
+    system: Any
+    idle: Any
+    interrupt: Any
+    dpc: Any
+
+class svmem(NamedTuple):
+    total: Any
+    available: Any
+    percent: Any
+    used: Any
+    free: Any
+
+class pmem(NamedTuple):
+    rss: Any
+    vms: Any
+    num_page_faults: Any
+    peak_wset: Any
+    wset: Any
+    peak_paged_pool: Any
+    paged_pool: Any
+    peak_nonpaged_pool: Any
+    nonpaged_pool: Any
+    pagefile: Any
+    peak_pagefile: Any
+    private: Any
+
+pfullmem: Any
+
+class pmmap_grouped(NamedTuple):
+    path: Any
+    rss: Any
+
+pmmap_ext: Any
+
+class pio(NamedTuple):
+    read_count: Any
+    write_count: Any
+    read_bytes: Any
+    write_bytes: Any
+    other_count: Any
+    other_bytes: Any
+
+def convert_dos_path(s): ...
+def py2_strencode(s): ...
+def getpagesize(): ...
+def virtual_memory(): ...
+def swap_memory(): ...
+
+disk_io_counters: Any
+
+def disk_usage(path): ...
+def disk_partitions(all): ...
+def cpu_times(): ...
+def per_cpu_times(): ...
+def cpu_count_logical(): ...
+def cpu_count_physical(): ...
+def cpu_stats(): ...
+def cpu_freq(): ...
+def getloadavg(): ...
+def net_connections(kind, _pid: int = ...): ...
+def net_if_stats(): ...
+def net_io_counters(): ...
+def net_if_addrs(): ...
+def sensors_battery(): ...
+def boot_time(): ...
+def users(): ...
+def win_service_iter() -> None: ...
+def win_service_get(name): ...
+
+class WindowsService:
+    def __init__(self, name, display_name) -> None: ...
+    def __eq__(self, other): ...
+    def __ne__(self, other): ...
+    def name(self): ...
+    def display_name(self): ...
+    def binpath(self): ...
+    def username(self): ...
+    def start_type(self): ...
+    def pid(self): ...
+    def status(self): ...
+    def description(self): ...
+    def as_dict(self): ...
+
+pids: Any
+pid_exists: Any
+ppid_map: Any
+
+def is_permission_err(exc): ...
+def convert_oserror(exc, pid: Any | None = ..., name: Any | None = ...): ...
+def wrap_exceptions(fun): ...
+def retry_error_partial_copy(fun): ...
+
+class Process:
+    pid: Any
+    def __init__(self, pid) -> None: ...
+    def oneshot_enter(self) -> None: ...
+    def oneshot_exit(self) -> None: ...
+    def name(self): ...
+    def exe(self): ...
+    def cmdline(self): ...
+    def environ(self): ...
+    def ppid(self): ...
+    def memory_info(self): ...
+    def memory_full_info(self): ...
+    def memory_maps(self) -> None: ...
+    def kill(self): ...
+    def send_signal(self, sig) -> None: ...
+    def wait(self, timeout: Any | None = ...): ...
+    def username(self): ...
+    def create_time(self): ...
+    def num_threads(self): ...
+    def threads(self): ...
+    def cpu_times(self): ...
+    def suspend(self) -> None: ...
+    def resume(self) -> None: ...
+    def cwd(self): ...
+    def open_files(self): ...
+    def connections(self, kind: str = ...): ...
+    def nice_get(self): ...
+    def nice_set(self, value): ...
+    def ionice_get(self): ...
+    def ionice_set(self, ioclass, value) -> None: ...
+    def io_counters(self): ...
+    def status(self): ...
+    def cpu_affinity_get(self): ...
+    def cpu_affinity_set(self, value): ...
+    def num_handles(self): ...
+    def num_ctx_switches(self): ...