Custom setproctitle (#32667)

* add custom setproctitle

* add test

* Update poetry.lock

* fix lint

* support only Linux

* test only Linux

* final lint

* Update test_setproctitle.py

* Update setproctitle.py

* convert to threadnames

* delete proctitles

* Check str len and use PR_GET_NAME

* fix poetry.lock

* lint fix

* Update common/threadname.py

---------

Co-authored-by: reddyn12 <nikhilr.ssm@gmail.com>
Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

common/realtime.py

@@ -4,7 +4,7 @@ import os
 import time
 from collections import deque
 
-from setproctitle import getproctitle
+from openpilot.common.threadname import getthreadname
 
 from openpilot.system.hardware import PC
 
@@ -52,7 +52,7 @@ class Ratekeeper:
     self._print_delay_threshold = print_delay_threshold
     self._frame = 0
     self._remaining = 0.0
-    self._process_name = getproctitle()
+    self._thread_name = getthreadname()
     self._dts = deque([self._interval], maxlen=100)
     self._last_monitor_time = time.monotonic()
 
@@ -87,7 +87,7 @@ class Ratekeeper:
     remaining = self._next_frame_time - time.monotonic()
     self._next_frame_time += self._interval
     if self._print_delay_threshold is not None and remaining < -self._print_delay_threshold:
-      print(f"{self._process_name} lagging by {-remaining * 1000:.2f} ms")
+      print(f"{self._thread_name} lagging by {-remaining * 1000:.2f} ms")
       lagged = True
     self._frame += 1
     self._remaining = remaining

common/tests/test_threadname.py

@@ -0,0 +1,8 @@
+from openpilot.common.threadname import setthreadname, getthreadname, LINUX
+
+class TestThreadName:
+  def test_set_get_threadname(self):
+    if LINUX:
+      name = 'TESTING'
+      setthreadname(name)
+      assert name == getthreadname()

common/threadname.py

@@ -0,0 +1,19 @@
+import ctypes
+import os
+
+LINUX = os.name == 'posix' and os.uname().sysname == 'Linux'
+
+if LINUX:
+  libc = ctypes.CDLL('libc.so.6')
+
+def setthreadname(name: str) -> None:
+  if LINUX:
+    name = name[:15] + '\0'
+    libc.prctl(15, str.encode(name), 0, 0, 0)
+
+def getthreadname() -> str:
+  if LINUX:
+    name = ctypes.create_string_buffer(16)
+    libc.prctl(16, name)
+    return name.value.decode('utf-8')
+  return ""

poetry.lock

@@ -7319,106 +7319,6 @@ starlette = ["starlette (>=0.19.1)"]
 starlite = ["starlite (>=1.48)"]
 tornado = ["tornado (>=5)"]
 
-[[package]]
-name = "setproctitle"
-version = "1.3.3"
-description = "A Python module to customize the process title"
-optional = false
-python-versions = ">=3.7"
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-    {file = "setproctitle-1.3.3.tar.gz", hash = "sha256:c913e151e7ea01567837ff037a23ca8740192880198b7fbb90b16d181607caae"},
-]
-
-[package.extras]
-test = ["pytest"]
-
 [[package]]
 name = "setuptools"
 version = "70.0.0"
@@ -8066,4 +7966,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = "~3.11"
-content-hash = "a09744c1ac37507bef4de0c210f7321722a2852798ca366d04dfec9329190202"
+content-hash = "1aebbaeb87fb971b11182abcd487743e3bc4f6ee3560923a0d8714cc3d3a4efc"

pyproject.toml

@@ -137,7 +137,6 @@ future-fstrings = "*"
 # these should be removed
 psutil = "*"
 timezonefinder = "*"  # just used for nav ETA
-setproctitle = "*"
 pycryptodome = "*"  # used in updated/casync, panda, body, and a test
 
 [tool.poetry.group.dev.dependencies]

scripts/waste.py

@@ -3,7 +3,7 @@ import os
 import time
 import numpy as np
 from multiprocessing import Process
-from setproctitle import setproctitle
+from openpilot.common.threadname import setthreadname
 
 def waste(core):
   os.sched_setaffinity(0, [core,])
@@ -16,7 +16,7 @@ def waste(core):
   j = 0
   while 1:
     if (i % 100) == 0:
-      setproctitle("%3d: %8d" % (core, i))
+      setthreadname("%3d: %8d" % (core, i))
       lt = time.monotonic()
       print("%3d: %8d %f  %.2f" % (core, i, lt-st, j))
       st = lt

selfdrive/modeld/modeld.py

@@ -6,7 +6,7 @@ import numpy as np
 import cereal.messaging as messaging
 from cereal import car, log
 from pathlib import Path
-from setproctitle import setproctitle
+from openpilot.common.threadname import setthreadname
 from cereal.messaging import PubMaster, SubMaster
 from msgq.visionipc import VisionIpcClient, VisionStreamType, VisionBuf
 from openpilot.common.swaglog import cloudlog
@@ -24,7 +24,7 @@ from openpilot.selfdrive.modeld.fill_model_msg import fill_model_msg, fill_pose_
 from openpilot.selfdrive.modeld.constants import ModelConstants
 from openpilot.selfdrive.modeld.models.commonmodel_pyx import ModelFrame, CLContext
 
-PROCESS_NAME = "selfdrive.modeld.modeld"
+THREAD_NAME = "selfdrive.modeld.modeld"
 SEND_RAW_PRED = os.getenv('SEND_RAW_PRED')
 
 MODEL_PATHS = {
@@ -114,9 +114,9 @@ class ModelState:
 def main(demo=False):
   cloudlog.warning("modeld init")
 
-  sentry.set_tag("daemon", PROCESS_NAME)
+  sentry.set_tag("daemon", THREAD_NAME)
-  cloudlog.bind(daemon=PROCESS_NAME)
+  cloudlog.bind(daemon=THREAD_NAME)
-  setproctitle(PROCESS_NAME)
+  setthreadname(THREAD_NAME)
   config_realtime_process(7, 54)
 
   cloudlog.warning("setting up CL context")
@@ -286,7 +286,7 @@ if __name__ == "__main__":
     args = parser.parse_args()
     main(demo=args.demo)
   except KeyboardInterrupt:
-    cloudlog.warning(f"child {PROCESS_NAME} got SIGINT")
+    cloudlog.warning(f"child {THREAD_NAME} got SIGINT")
   except Exception:
     sentry.capture_exception()
     raise

system/manager/process.py

@@ -8,7 +8,7 @@ from collections.abc import Callable, ValuesView
 from abc import ABC, abstractmethod
 from multiprocessing import Process
 
-from setproctitle import setproctitle
+from openpilot.common.threadname import setthreadname
 
 from cereal import car, log
 import cereal.messaging as messaging
@@ -27,7 +27,7 @@ def launcher(proc: str, name: str) -> None:
     mod = importlib.import_module(proc)
 
     # rename the process
-    setproctitle(proc)
+    setthreadname(proc)
 
     # create new context since we forked
     messaging.context = messaging.Context()