!3 修改read_unique模块的显示内容，open/close改成0/1显示

Merge pull request !3 from liqiang2020/master

prefetch_mod.c

@@ -88,7 +88,7 @@ static ssize_t read_unique_store(struct device* dev,
 
     ret = kstrtouint(buf, 0, &value);
     if (ret || (value != 0 && value != 1)) {
-        pr_err("invalid input(0-close,1-open,other-invalid)!\n");
+        pr_err("invalid input!\n");
         return count;
     }
 
@@ -115,8 +115,8 @@ static ssize_t read_unique_show(struct device* dev,
     
     for_each_cpu(cpu, prefetch_cpumask_value) {
         int *ptr = per_cpu_ptr(cur, cpu);
-        count += scnprintf(buf + count, PAGE_SIZE, "cpu(%d): %s.\n",
-                    cpu, (ptr == NULL) ? "n/a" : ((*ptr == 0) ? "close" : "open"));
+        count += scnprintf(buf + count, PAGE_SIZE, "cpu(%d): %d.\n",
+                    cpu, (ptr == NULL) ? -1 : *ptr);
     }
     mutex_unlock(&prefetch_mtx);
     free_percpu(cur);

tests/simple_test.sh

@@ -22,37 +22,37 @@ do
         cat /sys/class/misc/prefetch/policy | grep $GREP
 done
 
-echo "Set read_unique to 0, (exp:close,15):"
+echo "Set read_unique to 0, (exp:0,15):"
 echo 0 > /sys/class/misc/prefetch/read_unique
 cat /sys/class/misc/prefetch/read_unique | grep $GREP
 cat /sys/class/misc/prefetch/policy | grep $GREP
-echo "Set policy to 8, (exp:close,8):"
+echo "Set policy to 8, (exp:0,8):"
 echo 8 > /sys/class/misc/prefetch/policy
 cat /sys/class/misc/prefetch/read_unique | grep $GREP
 cat /sys/class/misc/prefetch/policy | grep $GREP
 
-echo "Set read_unique to 1, (exp:open,8):"
+echo "Set read_unique to 1, (exp:1,8):"
 echo 1 > /sys/class/misc/prefetch/read_unique
 cat /sys/class/misc/prefetch/read_unique | grep $GREP
 cat /sys/class/misc/prefetch/policy | grep $GREP
 
-echo "Set policy to 10, (exp:open,10):"
+echo "Set policy to 10, (exp:1,10):"
 echo 10 > /sys/class/misc/prefetch/policy
 cat /sys/class/misc/prefetch/read_unique | grep $GREP
 cat /sys/class/misc/prefetch/policy | grep $GREP
 
 
-echo "Set policy to 5, (exp:open, 5):"
+echo "Set policy to 5, (exp:1, 5):"
 echo 5 > /sys/class/misc/prefetch/policy
 cat /sys/class/misc/prefetch/read_unique | grep $GREP
 cat /sys/class/misc/prefetch/policy | grep $GREP
 
-echo "Set read_unique to 0, (close,5):"
+echo "Set read_unique to 0, (0,5):"
 echo 0 > /sys/class/misc/prefetch/read_unique
 cat /sys/class/misc/prefetch/read_unique | grep $GREP
 cat /sys/class/misc/prefetch/policy | grep $GREP
 
-echo "Set read_unique to 1, (open,5):"
+echo "Set read_unique to 1, (1,5):"
 echo 1 > /sys/class/misc/prefetch/read_unique
 cat /sys/class/misc/prefetch/read_unique | grep $GREP
 cat /sys/class/misc/prefetch/policy | grep $GREP