created script to determine which functions are most frequently used

wally-pipelined/linux-testgen/testvector-generation/analyzeTrace.py

@@ -0,0 +1,57 @@
+#! /usr/bin/python3
+import sys,os
+import matplotlib.pyplot as plt
+import matplotlib.animation as animation
+import matplotlib.ticker as ticker
+
+# Argument Parsing
+if len(sys.argv) != 4:
+    sys.exit('Error analyzeTrace.py expects 3 args:\n <trace> <addresses> <labels>')
+traceFile = sys.argv[1]
+addressFile = sys.argv[2]
+labelFile = sys.argv[3]
+if not os.path.exists(traceFile):
+    sys.exit('Error trace file '+traceFile+'not found')
+if not os.path.exists(addressFile):
+    sys.exit('Error address file '+addressFile+'not found')
+if not os.path.exists(labelFile):
+    sys.exit('Error label file '+labelFile+'not found')
+
+print('Loading labels')
+funcList=[]
+with open(addressFile, 'r') as addresses, open(labelFile, 'r') as labels: 
+    for address, label in zip(addresses, labels):
+        funcList.append([int(address.strip('\n'),16),label.strip('\n'),0])
+
+def lookupAdr(address):
+    labelCount = len(funcList)
+    guessIndex = labelCount
+    guessAdr = funcList[guessIndex-1][0]
+    if address < funcList[0][0]:
+        return 0
+    while (address < guessAdr):
+        guessIndex-=1
+        if guessIndex == -1:
+            return 0
+        guessAdr=funcList[guessIndex][0]
+    funcList[guessIndex][2] += 1
+    #print(funcList[guessIndex][1])
+    return 1 
+                
+print('Parsing trace')
+with open(traceFile, 'r') as trace:
+    iCount = 0
+    for l in trace:
+        lookupAdr(int(l.split(' ')[0],16))
+        iCount += 1
+        if (iCount % 1e5==0):
+            print('Reached '+str(iCount/1e6)+' million instructions')
+
+print('Sorting by function frequency')
+funcListSorted = sorted(funcList, key=lambda labelEntry: -labelEntry[2])
+with open('traceAnalysis.txt','w') as outFile:
+    outFile.write('Virtual Address    \t'+('%-50s'%'Function')+'Occurences\n')
+    for labelEntry in funcListSorted:
+        addr = '%x' % labelEntry[0]
+        outFile.write(addr+'\t'+('%-50s' % labelEntry[1])+str(labelEntry[2])+'\n')
+print('Logged results to traceAnalysis.txt')

wally-pipelined/linux-testgen/testvector-generation/analyzeTrace.sh

@@ -0,0 +1 @@
+ ./analyzeTrace.py ../linux-testvectors/all.txt ../linux-testvectors/vmlinux.objdump.addr ../linux-testvectors/vmlinux.objdump.lab