wip mem profiling, DO NOT USE

.github/workflows/core.yml

@@ -438,7 +438,6 @@ jobs:
 
   core_memory_profile:
     name: Memory allocation report
-    if: false  # NOTE manual job, comment out to run
     runs-on: ubuntu-latest
     env:
       TREZOR_MODEL: T

core/src/apps/bitcoin/sign_tx/__init__.py

@@ -93,6 +93,16 @@ async def sign_tx(
             request_class, req = req
             assert TxRequest.is_type_of(req)
             if req.request_type == RequestType.TXFINISHED:
+                try:
+                    import micropython
+
+                    print("micropython.mem_info() from received_message_handler.py")
+                    micropython.mem_info()
+                    print("Allocation count:", micropython.alloc_count())  # type: ignore ["alloc_count" is not a known attribute of module]
+                except AttributeError:
+                    print(
+                        "To show allocation count, create the build with TREZOR_MEMPERF=1"
+                    )
                 return req
             res = await call(req, request_class)
         elif isinstance(req, helpers.UiConfirm):

python/src/trezorlib/btc.py

@@ -13,6 +13,8 @@
 #
 # You should have received a copy of the License along with this library.
 # If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
+import time
 import warnings
 from copy import copy
 from decimal import Decimal
@@ -358,7 +360,12 @@ def sign_tx(
     )
 
     R = messages.RequestType
+    start2 = time.time()
+    end2 = time.time()
+
     while isinstance(res, messages.TxRequest):
+        print(end2 - start2)
+        start2 = time.time()
         # If there's some part of signed transaction, let's add it
         if res.serialized:
             if res.serialized.serialized_tx:
@@ -420,6 +427,7 @@ def sign_tx(
                 )
 
             res = session.call(messages.TxAck(tx=msg))
+            end2 = time.time()
 
     if not isinstance(res, messages.TxRequest):
         raise exceptions.TrezorException("Unexpected message")