fix: tools: make faulty mtrace lines not exit script

In case of a faulty line in mtrace, the sof_perf_analyzer.py script will
log a warning and move on, instead of failing.

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

Author: ekurdybx

tools/sof_perf_analyzer.py

@@ -134,26 +134,29 @@ def make_trace_item(fileio: TextIO) -> TraceItemGenerator:
             # second trace from the line. This is done by regarding the end position
             # of the matched substring as sentinel, timestamp and trace level are
             # both some specific offset from the sentinel.
-            span_end_pos = match_obj.span()[1]
-            trace_lvl = line[span_end_pos - 4: span_end_pos - 1]
             try:
-                timestamp = float(line[span_end_pos - 19: span_end_pos - 7].strip())
-            # Support for CONFIG_LOG_OUTPUT_FORMAT_TIME_TIMESTAMP - For when default Zephyr timestamp format is used
-            except ValueError:
-                h, m, rest = line[span_end_pos - 23: span_end_pos - 7].strip().split(':')
-                s1, s2 = rest.split(',')
-                s = s1+s2
-                timestamp = timedelta(
-                    hours=int(h),
-                    minutes=int(m),
-                    seconds=float(s)
-                ).total_seconds()
-
-            # The rest after removing timestamp and log level
-            rest = line[span_end_pos + 1:].split(': ')
-            ctx, func = rest[0:2]
-            msg = ': '.join(rest[2:]).strip()
-            yield TraceItem(timestamp, trace_lvl, ctx, func, msg)
+                span_end_pos = match_obj.span()[1]
+                trace_lvl = line[span_end_pos - 4: span_end_pos - 1]
+                try:
+                    timestamp = float(line[span_end_pos - 19: span_end_pos - 7].strip())
+                # Support for CONFIG_LOG_OUTPUT_FORMAT_TIME_TIMESTAMP - For when default Zephyr timestamp format is used
+                except ValueError:
+                    h, m, rest = line[span_end_pos - 23: span_end_pos - 7].strip().split(':')
+                    s1, s2 = rest.split(',')
+                    s = s1+s2
+                    timestamp = timedelta(
+                        hours=int(h),
+                        minutes=int(m),
+                        seconds=float(s)
+                    ).total_seconds()
+
+                # The rest after removing timestamp and log level
+                rest = line[span_end_pos + 1:].split(': ')
+                ctx, func = rest[0:2]
+                msg = ': '.join(rest[2:]).strip()
+                yield TraceItem(timestamp, trace_lvl, ctx, func, msg)
+            except Exception as e:
+                    print(f"WARNING: Couldn't parse line: {line}, error: {e}")
 
 def process_trace_file():
     '''The top-level caller for processing the trace file'''