diff --git a/r2-perf-test/src/sh/parse_gclog.sh b/r2-perf-test/src/sh/parse_gclog.py
similarity index 100%
rename from r2-perf-test/src/sh/parse_gclog.sh
rename to r2-perf-test/src/sh/parse_gclog.py
diff --git a/r2-perf-test/src/sh/process_r2_perf_results.sh b/r2-perf-test/src/sh/process_r2_perf_results.sh
index 56a47513e1..7645cdc887 100755
--- a/r2-perf-test/src/sh/process_r2_perf_results.sh
+++ b/r2-perf-test/src/sh/process_r2_perf_results.sh
@@ -61,7 +61,7 @@ then
 fi
 
 # Parse gc log
-command="$srcDir/sh/parse_gclog.sh  $currentNodeWorkspaceDir/build/r2-perf-test/logs/$targetServerHost/gc/gc.log  $buildDir/logs/$targetServerHost/parsed_gc.csv"
+command="$srcDir/sh/parse_gclog.py  $currentNodeWorkspaceDir/build/r2-perf-test/logs/$targetServerHost/gc/gc.log  $buildDir/logs/$targetServerHost/parsed_gc.csv"
 echo "Executing $command"
 $command
 
@@ -79,11 +79,11 @@ $command
 
 # Generate Perf Test Results and GC diffs (current vs previous run)
 
-command="$srcDir/sh/stats_diff.sh $perfLoadGeneratorHudsonJobURL/perftest.json $publishDir/perftest.json $publishDir/perftest.diff Perf_Test_Results_DIFF_(current_vs_previos_run) Previous_R2 Current_R2"
+command="$srcDir/sh/stats_diff.py $perfLoadGeneratorHudsonJobURL/perftest.json $publishDir/perftest.json $publishDir/perftest.diff Perf_Test_Results_DIFF_(current_vs_previos_run) Previous_R2 Current_R2"
 echo "Executing $command"
 $command
 
-command="$srcDir/sh/stats_diff.sh $perfLoadGeneratorHudsonJobURL/gcstats.json $publishDir/gcstats.json $publishDir/gcstats.diff GC_Stats_DIFF_(current_vs_previos_run) Previous_GC Current_GC"
+command="$srcDir/sh/stats_diff.py $perfLoadGeneratorHudsonJobURL/gcstats.json $publishDir/gcstats.json $publishDir/gcstats.diff GC_Stats_DIFF_(current_vs_previos_run) Previous_GC Current_GC"
 echo "Executing $command"
 $command
 
diff --git a/r2-perf-test/src/sh/stats_diff.sh b/r2-perf-test/src/sh/stats_diff.py
similarity index 94%
rename from r2-perf-test/src/sh/stats_diff.sh
rename to r2-perf-test/src/sh/stats_diff.py
index 8556bb1b56..590ee79674 100755
--- a/r2-perf-test/src/sh/stats_diff.sh
+++ b/r2-perf-test/src/sh/stats_diff.py
@@ -9,8 +9,8 @@ def usage():
   """
   Prints the script's usage guide.
   """
-  print "Usage: stats_diff.sh [file1: url or file path] [file2: url or file path] [output file] [report name] [column1 prefix] [column2 prefix]"
-  print "Example:./stats_diff.sh http://jenkins.n.com/job/R2_PERF_TEST/lastSuccessfulBuild/artifact/pegasus/publish/reports/perftest.json /home/usr/R2_PERF_TEST/pegasus/publish/reports/perftest.json /home/usr/R2_PERF_TEST/pegasus/publish/reports/perftest.diff \"Perf_Test_Results_DIFF_(previos_vs_current_run)\""
+  print "Usage: stats_diff.py [file1: url or file path] [file2: url or file path] [output file] [report name] [column1 prefix] [column2 prefix]"
+  print "Example:./stats_diff.py http://jenkins.n.com/job/R2_PERF_TEST/lastSuccessfulBuild/artifact/pegasus/publish/reports/perftest.json /home/usr/R2_PERF_TEST/pegasus/publish/reports/perftest.json /home/usr/R2_PERF_TEST/pegasus/publish/reports/perftest.diff \"Perf_Test_Results_DIFF_(previos_vs_current_run)\""
 
 def getData(source):
   data=''
@@ -68,7 +68,7 @@ def main():
   """
   This is how we are called.
   Example call:
-  ./stats_diff.sh https://hudson.corp.linkedin.com/job/SI_R2_PERF_PEGASUS_RELEASE/lastSuccessfulBuild/artifact/pegasus/publish/reports/perftest.json /export/home/tester/hudson/data/workspace/SI_R2_PERF_PEGASUS_RELEASE/pegasus/publish/reports/perftest.json /export/home/tester/hudson/data/workspace/SI_R2_PERF_PEGASUS_RELEASE/pegasus/publish/reports/perftest.diff 'Perf Test Results DIFF (previos vs current run)' 'Previous' 'Current'
+  ./stats_diff.py https://hudson.corp.linkedin.com/job/SI_R2_PERF_PEGASUS_RELEASE/lastSuccessfulBuild/artifact/pegasus/publish/reports/perftest.json /export/home/tester/hudson/data/workspace/SI_R2_PERF_PEGASUS_RELEASE/pegasus/publish/reports/perftest.json /export/home/tester/hudson/data/workspace/SI_R2_PERF_PEGASUS_RELEASE/pegasus/publish/reports/perftest.diff 'Perf Test Results DIFF (previos vs current run)' 'Previous' 'Current'
   """
 
   print(len(sys.argv))