diff --git a/artiq/frontend/aqctl_corelog.py b/artiq/frontend/aqctl_corelog.py
index 1b990a750..7cee0b974 100755
--- a/artiq/frontend/aqctl_corelog.py
+++ b/artiq/frontend/aqctl_corelog.py
@@ -38,15 +38,16 @@ async def get_logs(host):
 
         for line in log.decode("utf-8").splitlines():
             m = re.match(r"^\[.+?\] (TRACE|DEBUG| INFO| WARN|ERROR)\((.+?)\): (.+)$", line)
-            if m.group(1) == 'TRACE':
-                continue
-            elif m.group(1) == 'DEBUG':
+            levelname = m.group(1)
+            if levelname == 'TRACE':
+                level = logging.TRACE
+            elif levelname == 'DEBUG':
                 level = logging.DEBUG
-            elif m.group(1) == ' INFO':
+            elif levelname == ' INFO':
                 level = logging.INFO
-            elif m.group(1) == ' WARN':
+            elif levelname == ' WARN':
                 level = logging.WARN
-            elif m.group(1) == 'ERROR':
+            elif levelname == 'ERROR':
                 level = logging.ERROR
             name = 'firmware.' + m.group(2).replace('::', '.')
             text = m.group(3)
@@ -63,7 +64,7 @@ def main():
             server = Server({"corelog": PingTarget()}, None, True)
             loop.run_until_complete(server.start(bind_address_from_args(args), args.port))
             try:
-                multiline_log_config(logging.DEBUG)
+                multiline_log_config(logging.TRACE)
                 loop.run_until_complete(server.wait_terminate())
             finally:
                 loop.run_until_complete(server.stop())
diff --git a/artiq/protocols/logging.py b/artiq/protocols/logging.py
index b166f969b..5c282549a 100644
--- a/artiq/protocols/logging.py
+++ b/artiq/protocols/logging.py
@@ -7,6 +7,10 @@ from artiq.protocols.asyncio_server import AsyncioServer
 from artiq.tools import TaskObject, MultilineFormatter
 
 
+logging.TRACE = 5
+logging.addLevelName(logging.TRACE, 'TRACE')
+
+
 logger = logging.getLogger(__name__)
 _fwd_logger = logging.getLogger("fwd")
 
@@ -23,6 +27,7 @@ _name_to_level = {
     "WARNING": logging.WARNING,
     "INFO": logging.INFO,
     "DEBUG": logging.DEBUG,
+    "TRACE": logging.TRACE,
 }