linux-kernel - [PATCH tip/core/rcu 19/28] rcutorture: Add --bootargs argument to specify additional boot arguments

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Date:	Fri, 15 Nov 2013 16:35:32 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com,
	edumazet@...gle.com, darren@...art.com, fweisbec@...il.com,
	sbw@....edu, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Greg KH <gregkh@...uxfoundation.org>
Subject: [PATCH tip/core/rcu 19/28] rcutorture: Add --bootargs argument to specify additional boot arguments

From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>

This commit allows easy specification of trace_event lists, among other
things.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Greg KH <gregkh@...uxfoundation.org>
---
 tools/testing/selftests/rcutorture/bin/kvm.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 6c67d0ca8c9a..2fb91d4f7996 100644
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -40,6 +40,7 @@ kversion=""
 
 usage () {
 	echo "Usage: $scriptname optional arguments:"
+	echo "       --bootargs kernel-boot-arguments"
 	echo "       --builddir absolute-pathname"
 	echo "       --buildonly"
 	echo "       --configs \"config-file list\""
@@ -78,6 +79,11 @@ checkarg () {
 while test $# -gt 0
 do
 	case "$1" in
+	--bootargs)
+		checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
+		RCU_BOOTARGS="$2"
+		shift
+		;;
 	--builddir)
 		checkarg --builddir "(absolute pathname)" "$#" "$2" '^/' error
 		builddir=$2
@@ -183,6 +189,6 @@ do
 	rd=$resdir/$ds/$CF
 	mkdir $rd || :
 	echo Results directory: $rd
-	kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic" "rcutorture.test_no_idle_hz=1 rcutorture.verbose=1"
+	kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic" "rcutorture.test_no_idle_hz=1 rcutorture.verbose=1 $RCU_BOOTARGS"
 done
 # Tracing: trace_event=rcu:rcu_nocb_grace_period,rcu:rcu_grace_period,rcu:rcu_grace_period_init,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_torture_read,rcu:rcu_invoke_callback,rcu:rcu_fqs,rcu:rcu_dyntick,rcu:rcu_unlock_preempted_task
-- 
1.8.1.5

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