update

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

diff --git a/markers-test/test-mark-speed-opt.c b/markers-test/test-mark-speed-opt.c
index 982053f1e6df12e5e128428da3b630e8a83b3af4..f30d0247d219d7f30878e0210c147f386c244399 100644 (file)
--- a/markers-test/test-mark-speed-opt.c
+++ b/markers-test/test-mark-speed-opt.c
@@ -51,17 +51,24 @@ static void noinline test2(const struct marker *mdata,
 
 struct proc_dir_entry *pentry = NULL;
 
-int temp __cacheline_aligned = 10;
+char temp0[8192];
+int temp[8192];
+char temp5[8192];
 
 static inline void test(unsigned long arg, unsigned long arg2)
 {
 #ifdef CACHEFLUSH
        wbinvd();
 #endif
-       temp = (temp + 60) << 10;
+       temp[2] = (temp[0] + 60) << 10;
+       temp[3] = (temp[2] + 60) << 10;
+       temp[4] = (temp[3] + 60) << 10;
+       temp[0] = (temp[4] + 60) << 10;
        //asm volatile ("");
        //__my_trace_mark(1, kernel_debug_test, NULL, "%d %d %ld %ld", 2, current->pid, arg, arg2);
+       barrier();
        __my_trace_mark(0, kernel_debug_test, NULL, "%d %d %ld %ld", 2, current->pid, arg, arg2);
+       barrier();
 }
 
 static int my_open(struct inode *inode, struct file *file)
@@ -71,10 +78,13 @@ static int my_open(struct inode *inode, struct file *file)
        unsigned long flags;
 
        local_irq_save(flags);
+#ifdef CACHEFLUSH
+       wbinvd();       /* initial write back, without cycle count */
+#endif
        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);