t/genzipf update

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/t/genzipf.c b/t/genzipf.c
index cfd4f66665e213b4f1cb2c0e53308d3dc099230a..adf914e235d184659d3ea58c0ab9f2cf54a7c088 100644 (file)
--- a/t/genzipf.c
+++ b/t/genzipf.c
@@ -28,7 +28,7 @@ int main(int argc, char *argv[])
 {
        unsigned long nranges, output_nranges;
        unsigned long *vals;
-       unsigned long i, j, nr_vals, cur_vals, max_val, interval, total;
+       unsigned long i, j, nr_vals, cur_vals, max_val, interval;
        double *output;
        struct zipf_state zs;
        int use_zipf;
@@ -65,7 +65,7 @@ int main(int argc, char *argv[])
 
        vals = malloc(nranges * sizeof(unsigned long));
 
-       total = max_val = nr_vals = 0;
+       max_val = nr_vals = 0;
        for (i = 0; i < nranges; i++) {
                if (use_zipf)
                        vals[nr_vals] = zipf_next(&zs);
@@ -83,23 +83,23 @@ int main(int argc, char *argv[])
 
        output = malloc(output_nranges * sizeof(double));
 
-       for (i = j = 0, cur_vals = 1; i < nr_vals; i++) {
+       for (i = j = 0, cur_vals = 0; i < nr_vals; i++) {
                if (vals[i] > interval) {
-                       output[j] = (double) cur_vals / (double) nr_vals;
+                       output[j] = (double) (cur_vals + 1) / (double) nr_vals;
                        output[j] *= 100.0;
                        j++;
-                       total += cur_vals;
-                       cur_vals = 1;
+                       cur_vals = 0;
                        interval += (max_val + output_nranges - 1) / output_nranges;
                        continue;
                }
                cur_vals++;
        }
 
-       output[j] = (double) cur_vals / (double) nr_vals;
-       output[j] *= 100.0;
-       j++;
-       total += cur_vals;
+       if (cur_vals) {
+               output[j] = (double) (cur_vals + 1) / (double) nr_vals;
+               output[j] *= 100.0;
+               j++;
+       }
 
        for (i = 0; i < j; i++)
                printf("%.2f%%\n", output[i]);