linux-kernel - [PATCH rcu 20/21] torture: Add timestamps to kvm-test-1-run-qemu.sh output

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Date:   Wed, 21 Jul 2021 14:01:39 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, akpm@...ux-foundation.org,
        mathieu.desnoyers@...icios.com, josh@...htriplett.org,
        tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
        dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
        oleg@...hat.com, joel@...lfernandes.org,
        "Paul E. McKenney" <paulmck@...nel.org>
Subject: [PATCH rcu 20/21] torture: Add timestamps to kvm-test-1-run-qemu.sh output

The kvm-test-1-run-qemu.sh script logs the torture-test start time and
also when it starts getting impatient for the test to finish.  However, it
does not timestamp these log messages, which can make debugging needlessly
challenging.  This commit therefore adds timestamps to these messages.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 .../selftests/rcutorture/bin/kvm-test-1-run-qemu.sh    | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh
index ca1d49c1c2f45..b41252033fac0 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh
@@ -63,10 +63,10 @@ then
 	if test -s "$resdir/qemu-pid"
 	then
 		qemu_pid=`cat "$resdir/qemu-pid"`
-		echo Monitoring qemu job at pid $qemu_pid
+		echo Monitoring qemu job at pid $qemu_pid `date`
 	else
 		qemu_pid=""
-		echo Monitoring qemu job at yet-as-unknown pid
+		echo Monitoring qemu job at yet-as-unknown pid `date`
 	fi
 fi
 if test -n "$TORTURE_KCONFIG_GDB_ARG"
@@ -130,14 +130,14 @@ if test $commandcompleted -eq 0 && test -n "$qemu_pid"
 then
 	if ! test -f "$resdir/../STOP.1"
 	then
-		echo Grace period for qemu job at pid $qemu_pid
+		echo Grace period for qemu job at pid $qemu_pid `date`
 	fi
 	oldline="`tail $resdir/console.log`"
 	while :
 	do
 		if test -f "$resdir/../STOP.1"
 		then
-			echo "PID $qemu_pid killed due to run STOP.1 request" >> $resdir/Warnings 2>&1
+			echo "PID $qemu_pid killed due to run STOP.1 request `date`" >> $resdir/Warnings 2>&1
 			kill -KILL $qemu_pid
 			break
 		fi
@@ -165,7 +165,7 @@ then
 		fi
 		if test $must_continue = no && test $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE))
 		then
-			echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1
+			echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds `date`" >> $resdir/Warnings 2>&1
 			kill -KILL $qemu_pid
 			break
 		fi
-- 
2.31.1.189.g2e36527f23