From d5a815e56dc6a5aeb48b9bc9e063d4ecc167112d Mon Sep 17 00:00:00 2001
From: pmikus <pmikus@cisco.com>
Date: Tue, 21 Sep 2021 13:38:59 +0000
Subject: feat(Ansible): 2M and 1G hugepages

Signed-off-by: pmikus <pmikus@cisco.com>
Change-Id: I55720cee8236c37e21881d1d8115d357d2a1f05f
---
 .../roles/performance_tuning/tasks/main.yaml       | 50 ++++++++++++++++------
 1 file changed, 38 insertions(+), 12 deletions(-)

(limited to 'fdio.infra.ansible/roles/performance_tuning/tasks/main.yaml')

diff --git a/fdio.infra.ansible/roles/performance_tuning/tasks/main.yaml b/fdio.infra.ansible/roles/performance_tuning/tasks/main.yaml
index b123be0a3c..79fa03fcef 100644
--- a/fdio.infra.ansible/roles/performance_tuning/tasks/main.yaml
+++ b/fdio.infra.ansible/roles/performance_tuning/tasks/main.yaml
@@ -25,18 +25,6 @@
   tags:
     - perf-conf-turbo-boost
 
-- name: Conf - Adjust nr_hugepages
-  # change the minimum size of the hugepage pool.
-  # 2G VPP, 4GB per VNF/CNF, 2G reserve
-  sysctl:
-    name: "vm.nr_hugepages"
-    value: "{{ sysctl.vm.nr_hugepages  }}"
-    state: "present"
-    sysctl_file: "/etc/sysctl.d/90-csit.conf"
-    reload: "yes"
-  tags:
-    - perf-conf-sysctl
-
 - name: Conf - Adjust max_map_count
   # this file contains the maximum number of memory map areas a process
   # may have. memory map areas are used as a side-effect of calling
@@ -186,4 +174,42 @@
   tags:
     - perf-conf-load-kernel-modules
 
+- name: Conf - Create a directory for 1G HugeTLBs hugepages
+  file:
+    path: "/dev/hugepages1G"
+    state: "directory"
+    mode: 0755
+  tags:
+    - perf-conf-hugepages-1g
+
+- name: Conf - Mount 1G HugeTLBs hugepages
+  mount:
+    path: "/dev/hugepages1G"
+    src: "hugetlbfs"
+    opts: "pagesize=1G"
+    boot: false
+    state: "mounted"
+    fstype: "hugetlbfs"
+  tags:
+    - perf-conf-hugepages-1g
+
+- name: Create a directory if it does not exist
+  file:
+    path: "/dev/hugepages2M"
+    state: "directory"
+    mode: 0755
+  tags:
+    - perf-conf-hugepages-2m
+
+- name: Conf - Create a directory for 2M HugeTLBs hugepages
+  mount:
+    path: "/dev/hugepages2M"
+    src: "hugetlbfs"
+    opts: "pagesize=2M"
+    boot: false
+    state: "mounted"
+    fstype: "hugetlbfs"
+  tags:
+    - perf-conf-hugepages-2m
+
 - meta: flush_handlers
-- 
cgit 1.2.3-korg