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From: paulmck@kernel.org
To: rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com,
	mingo@kernel.org, jiangshanlai@gmail.com,
	akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
	josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
	rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
	fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org,
	"Paul E. McKenney" <paulmck@kernel.org>
Subject: [PATCH tip/core/rcu 10/20] torture: Print run duration at end of kvm.sh execution
Date: Wed,  6 Jan 2021 09:25:57 -0800
Message-ID: <20210106172607.22816-10-paulmck@kernel.org> (raw)
In-Reply-To: <20210106172547.GA22404@paulmck-ThinkPad-P72>

From: "Paul E. McKenney" <paulmck@kernel.org>

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

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
 .../testing/selftests/rcutorture/bin/functions.sh  | 33 ++++++++++++++++++++++
 tools/testing/selftests/rcutorture/bin/kvm.sh      |  6 ++++
 2 files changed, 39 insertions(+)

diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh
index fef8b4b..97c3a17 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -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
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 6fd7ef7..6f21268 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -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
-- 
2.9.5


  parent reply index

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-06 17:25 [PATCH tip/core/rcu 0/20] Torture scripting updates for v5.12 Paul E. McKenney
2021-01-06 17:25 ` [PATCH tip/core/rcu 01/20] torture: Make --kcsan specify lockdep paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 02/20] torture: Make kvm.sh "--dryrun sched" summarize number of batches paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 03/20] torture: Make kvm.sh "--dryrun sched" summarize number of builds paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 04/20] torture: Allow kvm.sh --datestamp to specify subdirectories paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 05/20] torture: Prepare for splitting qemu execution from kvm-test-1-run.sh paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 06/20] torture: Add config2csv.sh script to compare torture scenarios paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 07/20] tools/rcutorture: Make identify_qemu_vcpus() independent of local language paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 08/20] torture: Make kvm.sh "Test Summary" date be end of test paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 09/20] torture: Make kvm.sh arguments accumulate paulmck
2021-01-06 17:25 ` paulmck [this message]
2021-01-06 17:25 ` [PATCH tip/core/rcu 11/20] torture: Make kvm.sh return failure upon build failure paulmck
2021-01-06 17:25 ` [PATCH tip/core/rcu 12/20] torture: Make kvm.sh include --kconfig arguments in CPU calculation paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 13/20] torture: Add kvm.sh test summary to end of log file paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 14/20] torture: Stop hanging on panic paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 15/20] torture: Add --dryrun batches to help schedule a distributed run paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 16/20] torture: s/STOP/STOP.1/ to avoid scenario collision paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 17/20] torture: Simplify exit-code plumbing for kvm-recheck.sh and kvm-find-errors.sh paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 18/20] torture: Remove "Failed to add ttynull console" false positive paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 19/20] torture: Allow standalone kvm-recheck.sh run detect --trust-make paulmck
2021-01-06 17:26 ` [PATCH tip/core/rcu 20/20] torture: Do Kconfig analysis only once per scenario paulmck

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