ait-client-latrate

#!/bin/bash

SERVER_MACHINE=$1

if [ $# -ge 3 -a "$3" == "--profiles_per_rate" ] ; then
	COLLECT_PROFILES=1
	PROFILES_PER_RATE_DIR=$AIT_DIR/profiles_per_rate/
	CURRENT_PROFILES_DIR=$PROFILES_PER_RATE_DIR/current
	# Prepare the directory, in the server, where we will
	# store the profiles for each rate run, later, when we
        # have the report number, we will rename "current" to the
	# report number.
	ssh $SERVER_MACHINE rm -rf $CURRENT_PROFILES_DIR
	ssh $SERVER_MACHINE mkdir -p $CURRENT_PROFILES_DIR
fi

[ -n "$COLLECT_PROFILES" ] && ssh $SERVER_MACHINE "echo nosleep-time > /sys/kernel/debug/tracing/trace_options; echo graph-time > /sys/kernel/debug/tracing/trace_options"
for rate in $(seq 1000 3000 125000) ; do
	[ -n "$COLLECT_PROFILES" ] && ssh $SERVER_MACHINE "echo 1 > /sys/kernel/debug/tracing/function_profile_enabled"
	latencytest -b $SERVER_MACHINE --csv --rate $rate --tcp-nodelay --time-limit 5
	[ -n "$COLLECT_PROFILES" ] && ssh $SERVER_MACHINE "echo 0 > /sys/kernel/debug/tracing/function_profile_enabled; cat /sys/kernel/debug/tracing/trace_stat/function* > $CURRENT_PROFILES_DIR/$rate"
done | tee /tmp/latencytest.output