linux-kernel - [PATCH tip/core/rcu 01/12] torture: Use gawk instead of awk for systime() function

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Message-Id: <20191210034217.405-1-paulmck@kernel.org>
Date:   Mon,  9 Dec 2019 19:42:06 -0800
From:   paulmck@...nel.org
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, dipankar@...ibm.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 tip/core/rcu 01/12] torture: Use gawk instead of awk for systime() function

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

In many environments, gawk provides systime(), but awk doesn't.
This commit therefore changes awk scripts using systime() to instead be
gawk scripts.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/jitter.sh         | 4 ++--
 tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/jitter.sh b/tools/testing/selftests/rcutorture/bin/jitter.sh
index dc49a3b..86a217b 100755
--- a/tools/testing/selftests/rcutorture/bin/jitter.sh
+++ b/tools/testing/selftests/rcutorture/bin/jitter.sh
@@ -23,12 +23,12 @@ spinmax=${4-1000}
 
 n=1
 
-starttime=`awk 'BEGIN { print systime(); }' < /dev/null`
+starttime=`gawk 'BEGIN { print systime(); }' < /dev/null`
 
 while :
 do
 	# Check for done.
-	t=`awk -v s=$starttime 'BEGIN { print systime() - s; }' < /dev/null`
+	t=`gawk -v s=$starttime 'BEGIN { print systime() - s; }' < /dev/null`
 	if test "$t" -gt "$duration"
 	then
 		exit 0;
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index 33c6696..1d98992 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -123,7 +123,7 @@ qemu_args=$5
 boot_args=$6
 
 cd $KVM
-kstarttime=`awk 'BEGIN { print systime() }' < /dev/null`
+kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null`
 if test -z "$TORTURE_BUILDONLY"
 then
 	echo ' ---' `date`: Starting kernel
@@ -177,7 +177,7 @@ do
 	then
 		qemu_pid=`cat "$resdir/qemu_pid"`
 	fi
-	kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
+	kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
 	if test -z "$qemu_pid" || kill -0 "$qemu_pid" > /dev/null 2>&1
 	then
 		if test $kruntime -ge $seconds
@@ -213,7 +213,7 @@ then
 	oldline="`tail $resdir/console.log`"
 	while :
 	do
-		kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
+		kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
 		if kill -0 $qemu_pid > /dev/null 2>&1
 		then
 			:
-- 
2.9.5