update

[lttv.git] / markers-test / test-mark-speed-empty.c

diff --git a/markers-test/test-mark-speed-empty.c b/markers-test/test-mark-speed-empty.c
index 00b9208140d57972a144396e0c007f71bc8566f4..226ba9cd852fdc512e1c1e0d6dff81261df40a97 100644 (file)
--- a/markers-test/test-mark-speed-empty.c
+++ b/markers-test/test-mark-speed-empty.c
@@ -52,17 +52,18 @@ static void noinline test2(const struct marker *mdata,
        //asm volatile ("");
 struct proc_dir_entry *pentry = NULL;
 
-volatile int temp = 10;
-volatile int temp2 = 10;
+int temp __cacheline_aligned = 10;
+int temp2 __cacheline_aligned = 10;
 
 static inline void test(unsigned long arg, unsigned long arg2)
 {
 #ifdef CACHEFLUSH
        wbinvd();
 #endif
-       temp = temp * 100 + 60;
-       temp2 = temp << 10;
-       asm volatile ("");
+       temp = (temp + 60) << 10;
+       barrier();
+       asm ("");
+       barrier();
        //__my_trace_mark(1, kernel_debug_test, NULL, "%d %d %ld %ld", 2, current->pid, arg, arg2);
        //__my_trace_mark(0, kernel_debug_test, NULL, "%d %d %ld %ld", 2, current->pid, arg, arg2);
 }
@@ -77,7 +78,7 @@ static int my_open(struct inode *inode, struct file *file)
        rdtsc_barrier();
        cycles1 = get_cycles();
        rdtsc_barrier();
-       for(i=0; i<200; i++) {
+       for(i=0; i<2000; i++) {
                test(i, i);
                test(i, i);
                test(i, i);