Remove setproctitle (#32716)

* 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>

* revert that for now

* use last 15

* fix

* use name

* update those

* and modeld

* rm

---------

Co-authored-by: schlimeszn <138847413+schlimeszn@users.noreply.github.com>
Co-authored-by: reddyn12 <nikhilr.ssm@gmail.com>
Co-authored-by: Comma Device <device@comma.ai>

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 ""