Add some hugetlb cases

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>

5 files changed, 40 insertions, 0 deletions

diff --git a/case-anon-cow-rand-hugetlb b/case-anon-cow-rand-hugetlb
new file mode 100755
index 0000000..74f3eff
--- /dev/null
+++ b/case-anon-cow-rand-hugetlb
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+. ./hw_vars
+
+[ -n "$unit_size" ] || unit_size=$((mem / 2))
+
+. ./setup_hugetlb
+
+$USEMEM -n $nr_task --prealloc --prefault --random -O -U $((unit_size / (nr_task+1)))
diff --git a/case-anon-cow-seq-hugetlb b/case-anon-cow-seq-hugetlb
new file mode 100755
index 0000000..59cbc7d
--- /dev/null
+++ b/case-anon-cow-seq-hugetlb
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+. ./hw_vars
+
+[ -n "$unit_size" ] || unit_size=$((mem / 2))
+
+. ./setup_hugetlb
+
+$USEMEM -n $nr_task --prealloc --prefault -O -U $((unit_size / (nr_task+1)))
diff --git a/case-anon-w-rand-hugetlb b/case-anon-w-rand-hugetlb
new file mode 100755
index 0000000..498af0c
--- /dev/null
+++ b/case-anon-w-rand-hugetlb
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+. ./hw_vars
+
+[ -n "$unit_size" ] || unit_size=$((mem / 2))
+
+. ./setup_hugetlb
+
+$USEMEM -n $nr_task -O -U --random $((unit_size / nr_task))
diff --git a/case-anon-w-seq-hugetlb b/case-anon-w-seq-hugetlb
new file mode 100755
index 0000000..fc98af0
--- /dev/null
+++ b/case-anon-w-seq-hugetlb
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+. ./hw_vars
+
+[ -n "$unit_size" ] || unit_size=$((mem / 2))
+
+. ./setup_hugetlb
+
+$USEMEM -n $nr_task -O -U $((unit_size / nr_task))
diff --git a/setup_hugetlb b/setup_hugetlb
new file mode 100644
index 0000000..7567ed3
--- /dev/null
+++ b/setup_hugetlb
@@ -0,0 +1,4 @@
+nr_hp=$((unit_size/Hugepagesize/1024))
+# More memory to deal with unaligned size/offset
+nr_hp=$((nr_hp + nr_task + 1))
+echo $nr_hp > /sys/kernel/mm/hugepages/hugepages-${Hugepagesize}kB/nr_overcommit_hugepages