Changeset 21b703f in mainline

Timestamp:

2012-12-03T21:34:18Z (11 years ago)

Author:

Adam Hraska <adam.hraska+hos@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

927a181e

Parents:

4e41aa4

Message:

Fixed division by zero in rcubench.

File:

• uspace/app/rcubench/rcubench.c (modified) (2 diffs)

uspace/app/rcubench/rcubench.c

@@ -123 +123 @@
 {
         bench_t *bench = (bench_t*)arg;
-        assert(bench->type == T_KERN_FUTEX || bench->type == T_LIBC_FUTEX);
-        
-        if (bench->type == T_KERN_FUTEX) 
+        
+        switch (bench->type) {
+        case T_KERN_FUTEX:
                 kernel_futex_bench(bench);
-        else
+                break;
+        case T_LIBC_FUTEX:
                 libc_futex_bench(bench);
+                break;
+        default:
+                assert(false);
+        }
         
         /* Signal another thread completed. */
@@ -290 +295 @@
         int64_t duration = tv_sub(&end, &start);
         
+        if (0 == duration)
+                duration = 1;
+        
+        uint64_t secs = (uint64_t)duration / 1000 / 1000;
         uint64_t total_iters = (uint64_t)bench.iters * bench.nthreads;
         uint64_t iters_per_sec = total_iters * 1000 * 1000 / duration;
-        uint64_t secs = (uint64_t)duration / 1000 / 1000;
         
         printf("Completed %" PRIu64 " iterations in %" PRId64  " usecs (%" PRIu64