case-remap: show throughput

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/case-remap b/case-remap
index 6f189b2..c5e65a5 100755
--- a/case-remap
+++ b/case-remap
@@ -8,6 +8,9 @@ source ./hw_vars
 
 USEMEM_REMAP=./usemem_remap
 
+start_time=$(date +%s%N)
+start_time=${start_time%???}
+
 for i in $(seq $nr_cpu)
 do
 	create_sparse_file $SPARSE_FILE-$i $((mem / nr_cpu / 2))
@@ -15,4 +18,11 @@ do
 done
 wait
 
+now=$(date +%s%N)
+now=${now%???}
+(( usecs = now - start_time ))
+
+throughput=$((mem / 2 / usecs))
+echo "$((mem / 2)) bytes remapped, $usecs usecs, $throughput MB/s"
+
 rm $SPARSE_FILE-*