Commit 0bcca183 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

torture: Print run duration at end of kvm.sh execution 



Yes, you can mentally subtract the timestamps, but this commit makes
the computer do this work.

Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent 45261371

tools/testing/selftests/rcutorture/bin/functions.sh

+33 −0
Original line number Diff line number Diff line
@@ -108,6 +108,39 @@ configfrag_hotplug_cpu () { 
	grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1"

}



# get_starttime

#

# Returns a cookie identifying the current time.

get_starttime () {

	awk 'BEGIN { print systime() }' < /dev/null

}



# get_starttime_duration starttime

#

# Given the return value from get_starttime, compute a human-readable

# string denoting the time since get_starttime.

get_starttime_duration () {

	awk -v starttime=$1 '

	BEGIN {

		ts = systime() - starttime; 

		tm = int(ts / 60);

		th = int(ts / 3600);

		td = int(ts / 86400);

		d = td;

		h = th - td * 24;

		m = tm - th * 60;

		s = ts - tm * 60;

		if (d >= 1)

			printf "%dd %d:%02d:%02d\n", d, h, m, s

		else if (h >= 1)

			printf "%d:%02d:%02d\n", h, m, s

		else if (m >= 1)

			printf "%d:%02d.0\n", m, s

		else

			print s " seconds"

	}' < /dev/null

}



# identify_boot_image qemu-cmd

#

# Returns the relative path to the kernel build image.  This will be

tools/testing/selftests/rcutorture/bin/kvm.sh

+6 −0
Original line number Diff line number Diff line
@@ -47,6 +47,9 @@ cpus=0 
ds=`date +%Y.%m.%d-%H.%M.%S`

jitter="-1"



startdate="`date`"

starttime="`get_starttime`"



usage () {

	echo "Usage: $scriptname optional arguments:"

	echo "       --allcpus"
@@ -548,6 +551,9 @@ then 
else

	# Not a dryrun, so run the script.

	sh $T/script

	ret=$?

	echo " --- Done at `date` (`get_starttime_duration $starttime`)"

	exit $ret

fi



# Tracing: trace_event=rcu:rcu_grace_period,rcu:rcu_future_grace_period,rcu:rcu_grace_period_init,rcu:rcu_nocb_wake,rcu:rcu_preempt_task,rcu:rcu_unlock_preempted_task,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_kfree_callback,rcu:rcu_batch_start,rcu:rcu_invoke_callback,rcu:rcu_invoke_kfree_callback,rcu:rcu_batch_end,rcu:rcu_torture_read,rcu:rcu_barrier