add virtual-guest profile

tune-profiles/virtual-guest/ktune.sh

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+#!/bin/sh
+
+. /etc/tune-profiles/functions
+
+start() {
+	set_cpu_governor performance
+#	set_disk_scheduler_quantum 10
+	enable_transparent_hugepages
+
+	# Find non-root and non-boot partitions, disable barriers on them
+	rootvol=$(df -h / | grep "^/dev" | awk '{print $1}')
+	bootvol=$(df -h /boot | grep "^/dev" | awk '{print $1}')
+	volumes=$(df -hl --exclude=tmpfs | grep "^/dev" | awk '{print $1}')
+
+	nobarriervols=$(echo "$volumes" | grep -v $rootvol | grep -v $bootvol)
+	remount_partitions nobarrier $nobarriervols
+
+	multiply_disk_readahead 4
+
+	return 0
+}
+
+stop() {
+	restore_cpu_governor
+#	restore_disk_scheduler_quantum
+	restore_transparent_hugepages
+
+	# Find non-root and non-boot partitions, re-enable barriers
+	rootvol=$(df -h / | grep "^/dev" | awk '{print $1}')
+	bootvol=$(df -h /boot | grep "^/dev" | awk '{print $1}')
+	volumes=$(df -hl --exclude=tmpfs | grep "^/dev" | awk '{print $1}')
+
+	nobarriervols=$(echo "$volumes" | grep -v $rootvol | grep -v $bootvol)
+	remount_partitions barrier $nobarriervols
+
+	multiply_disk_readahead 0.25
+
+	return 0
+}
+
+process $@

tune-profiles/virtual-guest/ktune.sysconfig

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+# ktune service configuration
+
+# This is the ktune sysctl file.  You can comment this out to prevent ktune
+# from applying its sysctl settings.
+#SYSCTL="/etc/sysctl.ktune"
+
+# Use *.conf files in the ktune configuration directory /etc/ktune.d.
+#   Value: yes|no,  default: yes
+# It is useful if you want to load settings from additional files. Set this to
+# no if you to prevent ktune from using these additional files.
+USE_KTUNE_D="yes"
+
+# This is the custom sysctl configuration file.  Any settings in this file will
+# be applied after the ktune settings, overriding them.  Comment this out to
+# use only the ktune settings.
+SYSCTL_POST="/etc/sysctl.conf"
+
+# This is the I/O scheduler ktune will use.  This will *not* override anything
+# explicitly set on the kernel command line, nor will it change the scheduler
+# for any block device that is using a non-default scheduler when ktune starts.
+# You should probably leave this on "deadline", but "as", "cfq", and "noop" are
+# also legal values.  Comment this out to prevent ktune from changing I/O
+# scheduler settings.
+ELEVATOR="deadline"
+
+# These are the devices, that should be tuned with the ELEVATOR
+ELEVATOR_TUNE_DEVS="/sys/block/{sd,cciss,dm-,vd}*/queue/scheduler"

tune-profiles/virtual-guest/sysctl.ktune

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+# ktune sysctl settings for rhel6 servers with enterprise-class
+# storage, 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
+
+# SCHED_OTHER wake-up granularity.
+# (default: 1 msec#  (1 + ilog(ncpus)), units: nanoseconds)
+#
+# This option delays the preemption effects of decoupled workloads
+# and reduces their over-scheduling. Synchronous workloads will still
+# have immediate wakeup/sleep latencies.
+kernel.sched_wakeup_granularity_ns = 15000000
+
+# Filesystem I/O is usually much more efficient than swapping, so try to keep
+# swapping low.  It's usually safe to go even lower than this on systems with
+# server-grade storage.
+vm.swappiness = 30
+
+# If a workload mostly uses anonymous memory and it hits this limit, the entire
+# working set is buffered for I/O, and any more write buffering would require
+# swapping, so it's time to throttle writes until I/O can catch up.  Workloads
+# that mostly use file mappings may be able to use even higher values.
+#
+# The generator of dirty data starts writeback at this percentage (system default
+# is 20%)
+vm.dirty_ratio = 40
+
+# Start background writeback (via writeback threads) at this percentage (system
+# default is 10%)
+#vm.dirty_background_ratio = 15
+
+# PID allocation wrap value.  When the kernel's next PID value
+# reaches this value, it wraps back to a minimum PID value.
+# PIDs of value pid_max or larger are not allocated.
+#
+# A suggested value for pid_max is 1024 * <# of cpu cores/threads in system>
+# e.g., a box with 32 cpus, the default of 32768 is reasonable, for 64 cpus,
+# 65536, for 4096 cpus, 4194304 (which is the upper limit possible).
+#kernel.pid_max = 65536

tune-profiles/virtual-guest/tuned.conf

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+# disable tuned
+
+[main]
+
+[DiskMonitor]
+enabled=False
+
+[DiskTuning]
+enabled=False
+
+[NetMonitor]
+enabled=False
+
+[NetTuning]
+enabled=False
+
+[CPUMonitor]
+enabled=False
+
+[CPUTuning]
+enabled=False