diff --git a/tools/acrntrace/scripts/acrnalyze.py b/tools/acrntrace/scripts/acrnalyze.py
index 3f62e6995..2daba5fba 100755
--- a/tools/acrntrace/scripts/acrnalyze.py
+++ b/tools/acrntrace/scripts/acrnalyze.py
@@ -10,7 +10,6 @@ This is the main script of arnalyzer, which:
 import sys
 import getopt
 import os
-import config
 from vmexit_analyze import analyze_vm_exit
 from irq_analyze import analyze_irq
 
@@ -32,20 +31,21 @@ def usage():
     --irq: to generate irq related report
     ''')
 
-def do_analysis(ifile, ofile, analyzer):
+def do_analysis(ifile, ofile, analyzer, freq):
     """do the specific analysis
 
     Args:
         ifile: input trace data file
         ofile: output analysis report file
         analyzer: a function do the specific analysis
+        freq: TSC frequency of the host where we capture the trace data
     Returns:
         None
     Raises:
         NA
     """
     for alyer in analyzer:
-        alyer(ifile, ofile)
+        alyer(ifile, ofile, freq)
 
 def main(argv):
     """Main enterance function
@@ -59,6 +59,8 @@ def main(argv):
     """
     inputfile = ''
     outputfile = ''
+    # Default TSC frequency of MRB in MHz
+    freq = 1881.6
     opts_short = "hi:o:f:"
     opts_long = ["ifile=", "ofile=", "frequency=", "vm_exit", "irq"]
     analyzer = []
@@ -78,7 +80,7 @@ def main(argv):
         elif opt in ("-o", "--ofile"):
             outputfile = arg
         elif opt in ("-f", "--frequency"):
-            TSC_FREQ = arg
+            freq = arg
         elif opt == "--vm_exit":
             analyzer.append(analyze_vm_exit)
         elif opt == "--irq":
@@ -90,7 +92,7 @@ def main(argv):
     assert outputfile != '', "output file is required"
     assert analyzer != '', 'MUST contain one of analyzer: ''vm_exit'
 
-    do_analysis(inputfile, outputfile, analyzer)
+    do_analysis(inputfile, outputfile, analyzer, freq)
 
 if __name__ == "__main__":
     main(sys.argv[1:])
diff --git a/tools/acrntrace/scripts/config.py b/tools/acrntrace/scripts/config.py
deleted file mode 100644
index 830cc536a..000000000
--- a/tools/acrntrace/scripts/config.py
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/usr/bin/python3
-# -*- coding: UTF-8 -*-
-
-"""
-This file defines global configuration used by acrnalyze
-"""
-
-# TSC frequency in MHz
-# Default TSC frequency of MRB
-TSC_FREQ = 1881.6
diff --git a/tools/acrntrace/scripts/irq_analyze.py b/tools/acrntrace/scripts/irq_analyze.py
index 0d555aa3b..d78c2c7c5 100755
--- a/tools/acrntrace/scripts/irq_analyze.py
+++ b/tools/acrntrace/scripts/irq_analyze.py
@@ -7,7 +7,6 @@ This script defines the function to do the irq related analysis
 
 import csv
 import struct
-from config import TSC_FREQ
 
 TSC_BEGIN = 0
 TSC_END = 0
@@ -90,11 +89,12 @@ def generate_report(ofile, freq):
     except IOError as err:
         print ("Output File Error: " + str(err))
 
-def analyze_irq(ifile, ofile):
+def analyze_irq(ifile, ofile, freq):
     """do the vm exits analysis
     Args:
         ifile: input trace data file
         ofile: output report file
+        freq: TSC frequency of the host where we capture the trace data
     Return:
         None
     """
@@ -104,4 +104,4 @@ def analyze_irq(ifile, ofile):
 
     parse_trace(ifile)
     # save report to the output file
-    generate_report(ofile, TSC_FREQ)
+    generate_report(ofile, freq)
diff --git a/tools/acrntrace/scripts/vmexit_analyze.py b/tools/acrntrace/scripts/vmexit_analyze.py
index 2c0b43494..3f313d4ac 100755
--- a/tools/acrntrace/scripts/vmexit_analyze.py
+++ b/tools/acrntrace/scripts/vmexit_analyze.py
@@ -7,7 +7,6 @@ This script defines the function to do the vm_exit analysis
 
 import csv
 import struct
-from config import TSC_FREQ
 
 TSC_BEGIN = 0
 TSC_END = 0
@@ -163,13 +162,13 @@ def generate_report(ofile, freq):
                 total_exit_time += TIME_IN_EXIT[event]
 
             print ("Total run time: %d cycles" % (rt_cycle))
-            print ("TSC Freq: %f MHz" % (freq))
+            print ("TSC Freq: %s MHz" % (freq))
             print ("Total run time: %d sec" % (rt_sec))
 
             f_csv.writerow(['Run time(cycles)', 'Run time(Sec)', 'Freq(MHz)'])
             f_csv.writerow(['%d' % (rt_cycle),
                             '%.3f' % (rt_sec),
-                            '%d' % (freq)])
+                            '%s' % (freq)])
 
             print ("%-28s\t%-12s\t%-12s\t%-24s\t%-16s" % ("Event", "NR_Exit",
                    "NR_Exit/Sec", "Time Consumed(cycles)", "Time percentage"))
@@ -200,11 +199,12 @@ def generate_report(ofile, freq):
     except IOError as err:
         print ("Output File Error: " + str(err))
 
-def analyze_vm_exit(ifile, ofile):
+def analyze_vm_exit(ifile, ofile, freq):
     """do the vm exits analysis
     Args:
         ifile: input trace data file
         ofile: output report file
+        freq: TSC frequency of the host where we capture the trace data
     Return:
         None
     """
@@ -214,4 +214,4 @@ def analyze_vm_exit(ifile, ofile):
 
     parse_trace_data(ifile)
     # save report to the output file
-    generate_report(ofile, TSC_FREQ)
+    generate_report(ofile, freq)