From: Matan Breizman <mbreizma@redhat.com>
Date: Tue, 23 Jan 2024 14:08:48 +0000 (+0000)
Subject: vstarh.sh: Crimson - set crimson_alien_thread_cpu_cores
X-Git-Tag: v19.3.0~87^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=66a07cb14c4a885b464d4d8af51ad40f2fb96347;p=ceph.git

vstarh.sh: Crimson - set crimson_alien_thread_cpu_cores

Signed-off-by: Matan Breizman <mbreizma@redhat.com>
---

diff --git a/src/vstart.sh b/src/vstart.sh
index 2317d5da60530..f9b2f3ce4cf21 100755
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -1666,6 +1666,12 @@ fi
 
 if [ "$ceph_osd" == "crimson-osd" ]; then
     $CEPH_BIN/ceph -c $conf_fn config set osd crimson_seastar_smp $crimson_smp
+    if [ "$(expr $(nproc) - 1)" -gt "$(($CEPH_NUM_OSD * crimson_smp))" ]; then
+      echo "crimson_alien_thread_cpu_cores:" $(($CEPH_NUM_OSD * crimson_smp))-"$(expr $(nproc) - 1)"
+      $CEPH_BIN/ceph -c $conf_fn config set osd crimson_alien_thread_cpu_cores $(($CEPH_NUM_OSD * crimson_smp))-"$(expr $(nproc) - 1)"
+    else
+      echo "No alien thread cpu core isolation"
+    fi
 fi
 
 if [ $CEPH_NUM_MGR -gt 0 ]; then