SWDEV-296922 : Incorrect rounding due to integer division in rocprofiler metrics

Changed derived metrics to double from int64.
Fixed standalone test due to int64 to float change
Fixed intercept test due to int64 to float change.

Change-Id: I49631c187406ae9dd94a869b3bb13772012e8cdf

bin/tblextr.py

@@ -115,7 +115,10 @@ def parse_res(infile):
   beg_pattern = re.compile("^dispatch\[(\d*)\], (.*) kernel-name\(\"([^\"]*)\"\)")
   prop_pattern = re.compile("([\w-]+)\((\w+)\)");
   ts_pattern = re.compile(", time\((\d*),(\d*),(\d*),(\d*)\)")
-  var_pattern = re.compile("^\s*([^\s]*)\s+\((\d*)\)")
+  # var pattern below matches a variable name and a variable value from a one
+  # line text in the format of for example "WRITE_SIZE (0.2500000000)" or
+  # "GRBM_GUI_ACTIVE (27867)"
+  var_pattern = re.compile("^\s*([a-zA-Z0-9_]+)\s+\((\d+(?:\.\d+)?)\)")
 
   dispatch_number = 0
   for line in inp.readlines():