fix: tools: sof_perf_analyzer: ignore errors when decoding mtrace file

Signed-off-by: Emilia Kurdybelska <emiliax.kurdybelska@intel.com>

Author: ekurdybx

case-lib/lib.sh

@@ -1496,12 +1496,10 @@ perf_analyze()
         fi
         dlogc "$perf_cmd"
         eval "$perf_cmd" || {
-            dloge "SOF component performace analysis tool exit with error"
-            return 1
+            dlogw "SOF component performace analysis tool exit with error"
         }
     else
-        dloge "Firmware trace file not found"
-        return 1
+        dlogw "Firmware trace file not found"
     fi
 }
 

tools/sof_perf_analyzer.py

@@ -173,7 +173,7 @@ def process_trace_file():
     #
     # pylint: disable=C0103
     ts_shift = 0
-    with open(args.filename, 'r', encoding='utf8') as file:
+    with open(args.filename, 'r', encoding='utf8', errors='ignore') as file:
         trace_item_gen = make_trace_item(file)
         trace_prev = None
         try: