Add code to simualte fault

ML/eval_proc.py

@@ -5,6 +5,8 @@
 import sys
 import torch.nn as nn
 import numpy as np 
+from sklearn.preprocessing import StandardScaler
+
 
 PATH= "/home/sgundo/Desktop/Tesi/OS_FaultMonitor/ML/"
 len_index = 20
@@ -34,18 +36,21 @@ def forward(self, x):
 
 def eval(feat):
 		X = np.array(feat)
+		X= scaler.transform(X)
 		X = torch.from_numpy(X).float()
 		X = X.unsqueeze(0)
 		y = model(X)
 		y = torch.log_softmax(y, dim=1)
 		_, y = torch.max(y, dim = 1)   
-
 		return y.item()
 
 f_s = True # read metrics from file or receive it from socket
 flip = 0
 cmd = sys.argv[1]
 bi = sys.argv[2]
+scaler = StandardScaler() # standard scaler as in the train set
+# scaler.mean_ = 
+# scaler.var_ = 
 model = BinaryClassification()
 model.load_state_dict(torch.load(PATH+bi+".pth", map_location=torch.device('cpu')))
 model.eval()
@@ -59,13 +64,15 @@ def eval(feat):
 		first_line = file.readline()
 		for last_line in file:
 			pass
-		print (last_line)
+		#print (last_line)
 		attr = last_line.split()
 		attr = attr[3:]
-		print(attr)
+		#print(attr)
 		attr_int = [int(i) for i in attr]
 		if len(attr_int) == 7:
-			eval(attr_int)
+			#response = eval(attr_int)
+			response = 1
+			print("Evaluation: "+str(response))
 
 else:
 	with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:

cmd/monitor

@@ -39,9 +39,8 @@ do
 
 done
 echo "comando lanciato $cmd"
-
 conf="instr_retired,unhalted_ref_cycles_fixed,cycles,instr,llc_references,llc_misses,branch_instr_retired"
-nohup pmctrack -T 1 -c $conf $cmd > $cmd.out
+pmctrack -o $cmd.out -T 1 -c $conf $cmd
 python3 /home/sgundo/Desktop/Tesi/OS_FaultMonitor/ML/eval_proc.py $cmd $target
 # pid=$!
 # echo $pid

cmd/prova.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include<time.h> 
+
+/*
+Simple program to simulate a fault with a 50% chance
+*/
+
+int main(int argc, char* argv[]){
+	int i = 0;
+	int *ptr1, *ptr2=NULL;
+	for(i=0;i<10000000;i++);
+
+	srand(time(0)); 
+	ptr1 = &i;
+	//printf("Pointer value before %p\n", ptr1);
+	ptr2 = (int *) ((uintptr_t) ptr1 | (uintptr_t) 0xFFF000); //simulate a fault by changing a pointer
+	//printf("Pointer value after %p\n", ptr2);
+	if((rand()%2)==0)
+		i = *ptr2;
+	else
+		i = *ptr1;
+
+ 	//printf("Intero %d\n", i);
+}