diff --git a/src/rvprof_output.c b/src/rvprof_output.c
index 9c7a862..7aa9760 100644
--- a/src/rvprof_output.c
+++ b/src/rvprof_output.c
@@ -56,6 +56,56 @@ rvprof_error_t rvprof_output_generate_report(void){
 
     // use stdlib's quicksort to sort functions by elapsed time
     qsort(g_rvprof.functions.data, g_rvprof.functions.size, sizeof(function_stats_t), compare_functions);
+
+    // write region table
+    fprintf(g_rvprof.output_file, "RVProf Runtime Profile\n");
+    fprintf(g_rvprof.output_file, "+-------+-----------+-----------+-----------+-----------+---------------+---------------+---------------------------------------------+---------------------------------------------+------+\n");
+    fprintf(g_rvprof.output_file, "| Calls | t_excl[s] | t_excl[%%] | t_incl[s] | t_incl[%%] | excl_cycles   | incl_cycles   |                  Function                   |                   Caller                    | STID |\n");
+    fprintf(g_rvprof.output_file, "+-------+-----------+-----------+-----------+-----------+---------------+---------------+---------------------------------------------+---------------------------------------------+------+\n");
     
+    // add region data
+    for (int i = 0; i < g_rvprof.functions.size; i++) {
+        function_stats_t* stats = &g_rvprof.functions.data[i];
+        double excl_sec = rvprof_timing_to_seconds(stats->total_exclusive_time);
+        double incl_sec = rvprof_timing_to_seconds(stats->total_inclusive_time);
+        
+        // use first stack ID for display
+        int display_stid = (stats->num_stack_ids > 0) ? stats->stack_ids[0] : 0;
+        
+        // truncate function name if too long
+        char truncated_function[44];
+        if (strlen(stats->name) > 43) {
+            strncpy(truncated_function, stats->name, 40);
+            strcpy(truncated_function + 40, "...");
+        } else {
+            strcpy(truncated_function, stats->name);
+        }
+        
+        // truncate caller name if too long
+        char truncated_caller[44];
+        if (strlen(stats->caller) > 43) {
+            strncpy(truncated_caller, stats->caller, 40);
+            strcpy(truncated_caller + 40, "...");
+        } else {
+            strcpy(truncated_caller, stats->caller);
+        }
+        
+        fprintf(g_rvprof.output_file, "|%6lu |%10.3f |%10.1f |%10.3f |%10.1f |%14llu |%14llu | %-43s | %-43s |%5d |\n",
+                stats->call_count,
+                excl_sec,
+                stats->exclusive_percent,
+                incl_sec,
+                stats->inclusive_percent,
+                (unsigned long long)stats->total_exclusive_cycles,
+                (unsigned long long)stats->total_inclusive_cycles,
+                truncated_function,
+                truncated_caller,
+                display_stid);
+    }
+    fprintf(g_rvprof.output_file, "+-------+-----------+-----------+-----------+-----------+---------------+---------------+---------------------------------------------+---------------------------------------------+------+\n");
+    fprintf(g_rvprof.output_file, "\n");
+
+
+
     return RVPROF_SUCCESS;
 }