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-rwxr-xr-xtools/testing/selftests/zram/zram01.sh30
1 files changed, 8 insertions, 22 deletions
diff --git a/tools/testing/selftests/zram/zram01.sh b/tools/testing/selftests/zram/zram01.sh
index 114863d9fb87..e9e9eb777e2c 100755
--- a/tools/testing/selftests/zram/zram01.sh
+++ b/tools/testing/selftests/zram/zram01.sh
@@ -33,8 +33,6 @@ zram_algs="lzo"
zram_fill_fs()
{
- local mem_free0=$(free -m | awk 'NR==2 {print $4}')
-
for i in $(seq 0 $(($dev_num - 1))); do
echo "fill zram$i..."
local b=0
@@ -45,29 +43,17 @@ zram_fill_fs()
b=$(($b + 1))
done
echo "zram$i can be filled with '$b' KB"
- done
- local mem_free1=$(free -m | awk 'NR==2 {print $4}')
- local used_mem=$(($mem_free0 - $mem_free1))
+ local mem_used_total=`awk '{print $3}' "/sys/block/zram$i/mm_stat"`
+ local v=$((100 * 1024 * $b / $mem_used_total))
+ if [ "$v" -lt 100 ]; then
+ echo "FAIL compression ratio: 0.$v:1"
+ ERR_CODE=-1
+ return
+ fi
- local total_size=0
- for sm in $zram_sizes; do
- local s=$(echo $sm | sed 's/M//')
- total_size=$(($total_size + $s))
+ echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK"
done
-
- echo "zram used ${used_mem}M, zram disk sizes ${total_size}M"
-
- local v=$((100 * $total_size / $used_mem))
-
- if [ "$v" -lt 100 ]; then
- echo "FAIL compression ratio: 0.$v:1"
- ERR_CODE=-1
- zram_cleanup
- return
- fi
-
- echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK"
}
check_prereqs