Report SBT key progress status timing and relative timestamp.

Test: manually.
Change-Id: If578cd21b40edbedee2a90f93357242786ed195f

1 files changed, 78 insertions, 0 deletions

diff --git a/perf_tools/progress_report.py b/perf_tools/progress_report.py
new file mode 100644
index 00000000..9d1d8afc
--- /dev/null
+++ b/perf_tools/progress_report.py
@@ -0,0 +1,78 @@
+import sys
+import os
+from datetime import datetime
+
+#find boot_progress_start line and boot_progress_enable_screen find the time difference
+# return the start time string
+def find_boot_progress_start_end(fp):
+    start = ""
+    end = ""
+    for line in fp:
+        if "boot_progress_start" in line:
+            start = line
+        if "boot_progress_enable_screen" in line and len(start):
+            end = line
+            break
+    return [start, end]
+
+def replace_timestamp_abs(line, timestamp_str, date_time_obj0):
+    if line[:5] != timestamp_str[:5]:
+        return line
+
+    index = line.find(" ", 6)
+    if index <= 0:
+        return line
+    substr0 = line[:index]
+    substr1 = line[index:]
+
+    try:
+        date_time_obj = datetime.strptime(substr0, '%m-%d %H:%M:%S.%f')
+    except ValueError:
+        return line
+
+    date_time_delta = date_time_obj - date_time_obj0
+    date_time_delta_str = str(date_time_delta)
+    return date_time_delta_str + substr1
+
+def in_time_range(start, end, line):
+    try:
+        current_time = datetime.strptime(line[:18], '%m-%d %H:%M:%S.%f')
+    except ValueError:
+        return False
+
+    if current_time >= start and current_time <= end:
+        return True
+
+    return False
+
+def write_to_new_file(fp, output_fp, summary_fp, timestamps):
+    start_timestamp_obj = datetime.strptime(timestamps[0][:18], '%m-%d %H:%M:%S.%f')
+    end_timestamp_obj = datetime.strptime(timestamps[1][:18], '%m-%d %H:%M:%S.%f')
+
+    for line in fp:
+        newline = replace_timestamp_abs(line, timestamps[0][:18], start_timestamp_obj)
+        output_fp.write(newline)
+        if "boot_progress_" in newline and in_time_range(start_timestamp_obj, end_timestamp_obj, line):
+            summary_fp.write(newline)
+
+
+def main():
+    filepath = sys.argv[1]
+    if not os.path.isfile(filepath):
+        print("File path {} does not exist. Exiting...".format(filepath))
+        sys.exit()
+
+    output_fp = open(sys.argv[2], 'w')
+    summary_fp = open(sys.argv[3], 'w')
+
+    with open(filepath, 'r', errors = 'ignore') as fp:
+        timestamps = find_boot_progress_start_end(fp)
+        fp.seek(0)
+        write_to_new_file(fp, output_fp, summary_fp, timestamps)
+
+    fp.close()
+    output_fp.close()
+    summary_fp.close()
+
+if __name__ == '__main__':
+    main()