Merge pull request #5054 from jmencak/tuned-profiles

New tuned profile hierarchy.

roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf

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+#
+# tuned configuration
+#
+
+[main]
+summary=Optimize systems running OpenShift control plane
+include=openshift
+
+[sysctl]
+# ktune sysctl settings, maximizing i/o throughput
+#
+# Minimal preemption granularity for CPU-bound tasks:
+# (default: 1 msec#  (1 + ilog(ncpus)), units: nanoseconds)
+kernel.sched_min_granularity_ns=10000000
+
+# The total time the scheduler will consider a migrated process
+# "cache hot" and thus less likely to be re-migrated
+# (system default is 500000, i.e. 0.5 ms)
+kernel.sched_migration_cost_ns=5000000
+
+# SCHED_OTHER wake-up granularity.
+#
+# Preemption granularity when tasks wake up.  Lower the value to improve 
+# wake-up latency and throughput for latency critical tasks.
+kernel.sched_wakeup_granularity_ns = 4000000

roles/openshift_node/templates/tuned/openshift-node/tuned.conf

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+#
+# tuned configuration
+#
+
+[main]
+summary=Optimize systems running OpenShift nodes
+include=openshift
+
+[sysctl]
+net.ipv4.tcp_fastopen=3

roles/openshift_node/templates/tuned/openshift/tuned.conf

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+#
+# tuned configuration
+#
+
+[main]
+summary=Optimize systems running OpenShift (parent profile)
+include=${f:virt_check:{{ openshift_tuned_guest_profile }}:throughput-performance}
+
+[selinux]
+avc_cache_threshold=65536
+
+[net]
+nf_conntrack_hashsize=131072
+
+[sysctl]
+kernel.pid_max=131072
+net.netfilter.nf_conntrack_max=1048576
+fs.inotify.max_user_watches=65536
+net.ipv4.neigh.default.gc_thresh1=8192
+net.ipv4.neigh.default.gc_thresh2=32768
+net.ipv4.neigh.default.gc_thresh3=65536
+net.ipv6.neigh.default.gc_thresh1=8192
+net.ipv6.neigh.default.gc_thresh2=32768
+net.ipv6.neigh.default.gc_thresh3=65536

roles/openshift_node/templates/tuned/recommend.conf

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+[openshift-node]
+/etc/origin/node/node-config.yaml=.*region=primary
+
+[openshift-control-plane,master]
+/etc/origin/master/master-config.yaml=.*
+
+[openshift-control-plane,node]
+/etc/origin/node/node-config.yaml=.*region=infra