Post processing fix for total_iodepth runs

Signed-off-by: Chris Harris (harriscr@uk.ibm.com)

Author: Chris Harris

post_processing/formatter/test_run_result.py

@@ -320,10 +320,11 @@ def _get_iodepth(self, iodepth_value: str, logfile_name: str) -> str:
         # the logfile name is of the format:
         #  /tmp/cbt/00000000/LibrbdFio/randwrite_1048576/iodepth-001/numjobs-001/output.0
         iodepth_start_index: int = logfile_name.find("iodepth")
+        numjobs_start_index: int = logfile_name.find("numjobs")
         # an index of -1 is no match found, so do nothing
-        if iodepth_start_index != -1:
+        if iodepth_start_index != -1 and numjobs_start_index != -1:
             iodepth_end_index: int = iodepth_start_index + len("iodepth")
-            iodepth_string: str = logfile_name[iodepth_end_index + 1 : iodepth_end_index + 4]
+            iodepth_string: str = logfile_name[iodepth_end_index + 1 : numjobs_start_index - 1]
             logfile_iodepth: int = int(iodepth_string)
 
             if logfile_iodepth > iodepth: