app: debug_stream_overlay.conf: Enable exception hook

Enabling Zephyr exception hook directs Zephyr exceptions dumps to
debug_stream text message.

Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>

Author: Jyri Sarha

app/debug_stream_overlay.conf

@@ -6,6 +6,8 @@ CONFIG_SOF_DEBUG_STREAM_TEXT_MSG=y
 CONFIG_SOF_DEBUG_STREAM_THREAD_INFO=y
 # Zephyr option for storing human readable thread names
 CONFIG_THREAD_NAME=y
+# For Zephyr to compile with thread names on PTL we need to increase THREAD_BYTES
+CONFIG_MAX_THREAD_BYTES=4
 
 # Debug window slot configuration 1
 # The CONFIG_SOF_TELEMETRY uses slot 2, but with performance and IO-performance
@@ -14,9 +16,15 @@ CONFIG_MEMORY_WIN_2_SIZE=16384
 CONFIG_SOF_TELEMETRY_PERFORMANCE_MEASUREMENTS=n
 CONFIG_SOF_TELEMETRY_IO_PERFORMANCE_MEASUREMENTS=n
 
-# If we turn telemetry off all together, we can use slot 2. Slot 1 is used by mtrace
+# If we turn telemetry off altogether, we can use slot 2. Slot 1 is used by mtrace
 #CONFIG_SOF_DEBUG_STREAM_SLOT_NUMBER=2
 #CONFIG_SOF_TELEMETRY=n
 #CONFIG_SOF_TELEMETRY_PERFORMANCE_MEASUREMENTS=n
 #CONFIG_SOF_TELEMETRY_IO_PERFORMANCE_MEASUREMENTS=n
 
+# Enable Zephyr exception printing hook; debug stream is sensitive to this option too
+CONFIG_EXCEPTION_DUMP_HOOK=y
+# Do not try to send exception prints through logs; this causes problems on PTL with mtrace
+CONFIG_EXCEPTION_DUMP_HOOK_ONLY=y
+# Print also backtrace through the exception hook
+CONFIG_XTENSA_BACKTRACE_EXCEPTION_DUMP_HOOK=y