aboutsummaryrefslogtreecommitdiffstats
path: root/resources/tools/testbed-setup/playbooks
diff options
context:
space:
mode:
authorpmikus <pmikus@cisco.com>2016-10-04 13:31:25 +0100
committerPeter Mikus <pmikus@cisco.com>2016-10-05 04:11:02 +0000
commit6f13d6a900a423219af4d9f947f8f584635c520e (patch)
tree9ee4e48c0790be3b378a2d9216595bdb29fe76ad /resources/tools/testbed-setup/playbooks
parentdb5622a08830a8f6cd2a3955f7cced99e1705ec5 (diff)
CSIT-429: Add hugepages configuration to ansible-host
- Add sysctl configuration to allocate HugePages into ansible SUT host section Change-Id: Iba6e9da1d92b4ddbc04a99817e098306e68c179d Signed-off-by: pmikus <pmikus@cisco.com>
Diffstat (limited to 'resources/tools/testbed-setup/playbooks')
-rw-r--r--resources/tools/testbed-setup/playbooks/01-host-setup.yaml2
-rw-r--r--resources/tools/testbed-setup/playbooks/files/90-csit16
2 files changed, 18 insertions, 0 deletions
diff --git a/resources/tools/testbed-setup/playbooks/01-host-setup.yaml b/resources/tools/testbed-setup/playbooks/01-host-setup.yaml
index 4640260a2d..b4907c6d45 100644
--- a/resources/tools/testbed-setup/playbooks/01-host-setup.yaml
+++ b/resources/tools/testbed-setup/playbooks/01-host-setup.yaml
@@ -79,6 +79,8 @@
remote_user: testuser
sudo: yes
tasks:
+ - name: copy sysctl file
+ template: src=files/90-csit dest=/etc/sysctl.d/90-csit.conf owner=root group=root mode=644
- name: Install dkms
apt: name=dkms state=present
- name: isolcpus and pstate parameter
diff --git a/resources/tools/testbed-setup/playbooks/files/90-csit b/resources/tools/testbed-setup/playbooks/files/90-csit
new file mode 100644
index 0000000000..b9e0b0fbab
--- /dev/null
+++ b/resources/tools/testbed-setup/playbooks/files/90-csit
@@ -0,0 +1,16 @@
+# Number of 2MB hugepages desired
+vm.nr_hugepages=4096
+
+# Must be greater than or equal to (2 * vm.nr_hugepages).
+vm.max_map_count=20000
+
+# All groups allowed to access hugepages
+vm.hugetlb_shm_group=0
+
+# Shared Memory Max must be greator or equal to the total size of hugepages.
+# For 2MB pages, TotalHugepageSize = vm.nr_hugepages * 2 * 1024 * 1024
+# If the existing kernel.shmmax setting (cat /sys/proc/kernel/shmmax)
+# is greater than the calculated TotalHugepageSize then set this parameter
+# to current shmmax value.
+kernel.shmmax=8589934592
+