diff --git a/main.c b/main.c
index b672ba2..c98249c 100644
--- a/main.c
+++ b/main.c
@@ -4,6 +4,7 @@
 #include "util.h"
 #include <mpi.h>
 #include <malloc.h>
+#include <papi.h>
 
 #define MASTER 0
 #define DEFAULT_TAG 17
@@ -56,6 +57,7 @@ int main() {
     int lps[pattern_len];
     create_lps(pattern, pattern_len, lps);
 
+    long_long start_time = PAPI_get_real_usec();
     // search for matches
     int match_number = 0;
     int residue;
@@ -69,12 +71,15 @@ int main() {
 
     collect_results(&match_number, matches);
 
+    long_long end_time = PAPI_get_real_usec();
+
     MPI_Finalize();
 
     if (rank == MASTER) {
         printf("total matches: %d\n", total_match_number);
         printf("matches index: ");
         print_array(total_matches, total_match_number);
+        printf("elapsed: %d\n", end_time - start_time);
     }
 }