replace custom clock helpers with time module (#29499)

* replace custom clock stuff wtih time module

* fix double

* fix release

* bump cereal

* update type

* fix one more
old-commit-hash: d61f86d3398900ef01423d24cfdf897392a8efbb

selfdrive/debug/can_printer.py

@@ -1,17 +1,17 @@
 #!/usr/bin/env python3
 import argparse
 import binascii
+import time
 from collections import defaultdict
 
 import cereal.messaging as messaging
-from common.realtime import sec_since_boot
 
 
 def can_printer(bus, max_msg, addr, ascii_decode):
   logcan = messaging.sub_sock('can', addr=addr)
 
-  start = sec_since_boot()
-  lp = sec_since_boot()
+  start = time.monotonic()
+  lp = time.monotonic()
   msgs = defaultdict(list)
   while 1:
     can_recv = messaging.drain_sock(logcan, wait_for_one=True)
@@ -20,17 +20,17 @@ def can_printer(bus, max_msg, addr, ascii_decode):
         if y.src == bus:
           msgs[y.address].append(y.dat)
 
-    if sec_since_boot() - lp > 0.1:
+    if time.monotonic() - lp > 0.1:
       dd = chr(27) + "[2J"
-      dd += f"{sec_since_boot() - start:5.2f}\n"
+      dd += f"{time.monotonic() - start:5.2f}\n"
       for addr in sorted(msgs.keys()):
         a = f"\"{msgs[addr][-1].decode('ascii', 'backslashreplace')}\"" if ascii_decode else ""
         x = binascii.hexlify(msgs[addr][-1]).decode('ascii')
-        freq = len(msgs[addr]) / (sec_since_boot() - start)
+        freq = len(msgs[addr]) / (time.monotonic() - start)
         if max_msg is None or addr < max_msg:
           dd += "%04X(%4d)(%6d)(%3dHz) %s %s\n" % (addr, addr, len(msgs[addr]), freq, x.ljust(20), a)
       print(dd)
-      lp = sec_since_boot()
+      lp = time.monotonic()
 
 if __name__ == "__main__":
   parser = argparse.ArgumentParser(description="simple CAN data viewer",

selfdrive/debug/check_freq.py

@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
 import argparse
 import numpy as np
+import time
 from collections import defaultdict, deque
 from typing import DefaultDict, Deque, MutableSequence
 
-from common.realtime import sec_since_boot
 import cereal.messaging as messaging
 
 
@@ -22,7 +22,7 @@ if __name__ == "__main__":
   rcv_times: DefaultDict[str, MutableSequence[float]] = defaultdict(lambda: deque(maxlen=100))
   valids: DefaultDict[str, Deque[bool]] = defaultdict(lambda: deque(maxlen=100))
 
-  t = sec_since_boot()
+  t = time.monotonic()
   for name in socket_names:
     sock = messaging.sub_sock(name, poller=poller)
     sockets[sock] = name
@@ -36,7 +36,7 @@ if __name__ == "__main__":
 
       name = msg.which()
 
-      t = sec_since_boot()
+      t = time.monotonic()
       rcv_times[name].append(msg.logMonoTime / 1e9)
       valids[name].append(msg.valid)