aioble/multitests: Use multitest.output_metric for perf results.

The perf multitests now "pass" when run.

Signed-off-by: Damien George <damien@micropython.org>

micropython/bluetooth/aioble/multitests/perf_gatt_notify.py

@@ -47,6 +47,8 @@ async def instance0_task():
         20_000, adv_data=b"\x02\x01\x06\x04\xffMPY", timeout_ms=TIMEOUT_MS
     )
 
+    print("connect")
+
     client_characteristic = await discover_server(connection)
 
     # Give the central enough time to discover chars.
@@ -61,7 +63,7 @@ async def instance0_task():
 
     ticks_end = time.ticks_ms()
     ticks_total = time.ticks_diff(ticks_end, ticks_start)
-    print(
+    multitest.output_metric(
         "Acknowledged {} notifications in {} ms. {} ms/notification.".format(
             _NUM_NOTIFICATIONS, ticks_total, ticks_total // _NUM_NOTIFICATIONS
         )
@@ -87,6 +89,8 @@ async def instance1_task():
     device = aioble.Device(*BDADDR)
     connection = await device.connect(timeout_ms=TIMEOUT_MS)
 
+    print("connect")
+
     client_characteristic = await discover_server(connection)
 
     for i in range(_NUM_NOTIFICATIONS):

micropython/bluetooth/aioble/multitests/perf_gatt_notify.py.exp

@@ -0,0 +1,4 @@
+--- instance0 ---
+connect
+--- instance1 ---
+connect

micropython/bluetooth/aioble/multitests/perf_l2cap.py

@@ -32,6 +32,8 @@ async def instance0_task():
         20_000, adv_data=b"\x02\x01\x06\x04\xffMPY", timeout_ms=TIMEOUT_MS
     )
 
+    print("connect")
+
     channel = await connection.l2cap_accept(_L2CAP_PSM, _L2CAP_MTU, timeout_ms=TIMEOUT_MS)
 
     random.seed(_RANDOM_SEED)
@@ -66,6 +68,8 @@ async def instance1_task():
     device = aioble.Device(*BDADDR)
     connection = await device.connect(timeout_ms=TIMEOUT_MS)
 
+    print("connect")
+
     await asyncio.sleep_ms(500)
 
     channel = await connection.l2cap_connect(_L2CAP_PSM, _L2CAP_MTU, timeout_ms=TIMEOUT_MS)
@@ -90,7 +94,7 @@ async def instance1_task():
     ticks_end = time.ticks_ms()
     total_ticks = time.ticks_diff(ticks_end, ticks_first_byte)
 
-    print(
+    multitest.output_metric(
         "Received {}/{} bytes in {} ms. {} B/s".format(
             recv_bytes, recv_correct, total_ticks, recv_bytes * 1000 // total_ticks
         )

micropython/bluetooth/aioble/multitests/perf_l2cap.py.exp

@@ -0,0 +1,4 @@
+--- instance0 ---
+connect
+--- instance1 ---
+connect