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[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 1800dea7d75b215dd04b81e1ba9ad96aecb4c63e..a541b51a3022f9f641ecdc2d11c258bd293c3fab 100644
(file)
--- a/
markers-test/test-mark-speed-opt.c
+++ b/
markers-test/test-mark-speed-opt.c
@@
-49,21
+49,22
@@
static void noinline test2(const struct marker *mdata,
} \
} while (0)
} \
} while (0)
- //asm volatile ("");
struct proc_dir_entry *pentry = NULL;
struct proc_dir_entry *pentry = NULL;
-volatile int temp = 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
static inline void test(unsigned long arg, unsigned long arg2)
{
#ifdef CACHEFLUSH
wbinvd();
#endif
- temp = temp * 100 + 60;
- temp = temp << 10;
+ temp = (temp + 60) << 10;
//asm volatile ("");
//__my_trace_mark(1, kernel_debug_test, NULL, "%d %d %ld %ld", 2, current->pid, arg, arg2);
//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);
__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)
}
static int my_open(struct inode *inode, struct file *file)
@@
-76,7
+77,7
@@
static int my_open(struct inode *inode, struct file *file)
rdtsc_barrier();
cycles1 = get_cycles();
rdtsc_barrier();
rdtsc_barrier();
cycles1 = get_cycles();
rdtsc_barrier();
- for(i=0; i<200; i++) {
+ for(i=0; i<200
0
; i++) {
test(i, i);
test(i, i);
test(i, i);
test(i, i);
test(i, i);
test(i, i);
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