1 files changed, 34 insertions, 0 deletions
diff --git a/tests/icachetest/icache_main.c b/tests/icachetest/icache_main.c
new file mode 100644
index 00000000..93f36d47
--- /dev/null
+++ b/tests/icachetest/icache_main.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <sys/time.h>
+
+extern void icache_test(long count, long step);
+extern void icache_test2(long count);
+
+int main() 
+{
+    printf("[bytes]\t[us]\n");
+
+    struct timeval now, tm;
+    long long t;
+    long MBs;
+    long i;
+    long step = 32;
+    for (i=0 ; step<=2048 ; i++, step+=32) 
+    {
+        long value;
+        gettimeofday(&now, 0);
+        icache_test(0x800000L, step);
+        gettimeofday(&tm, 0);
+        t = (tm.tv_sec*1000000LL+tm.tv_usec) - (now.tv_sec*1000000LL+now.tv_usec);
+        printf("%6ld\t%lld\n", step*32, t);
+    }
+
+    gettimeofday(&now, 0);
+    icache_test2(0x800000L / 2048);
+    gettimeofday(&tm, 0);
+    t = (tm.tv_sec*1000000LL+tm.tv_usec) - (now.tv_sec*1000000LL+now.tv_usec);
+    MBs = (8388608LL*32*1000000) / (t * (1024*1024));
+    printf("\n%6lld us\t%ld MB/s\n", t, MBs);
+    
+    return 0;
+}