linux-kernel - Re: [PATCH tip/core/rcu 1/6] torture: Run Linux-kernel binary out of results directory

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Message-ID: <20141030141956.GG32353@thin>
Date:	Thu, 30 Oct 2014 07:19:56 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	dhowells@...hat.com, edumazet@...gle.com, dvhart@...ux.intel.com,
	fweisbec@...il.com, oleg@...hat.com, bobby.prani@...il.com
Subject: Re: [PATCH tip/core/rcu 1/6] torture: Run Linux-kernel binary out of
 results directory

On Tue, Oct 28, 2014 at 03:30:00PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> 
> The rcutorture scripts create a qemu-cmd script containing the actual
> qemu command.  However, this command references the build directory,
> which will be overwritten by later builds.  This commit therefore runs
> the kernel out of the results directory so that less hand-editing is
> required to re-run a previous test.
> 
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

Reviewed-by: Josh Triplett <josh@...htriplett.org>

>  tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> 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 f6b2b4771b78..e0f896999d6b 100755
> --- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
> +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
> @@ -168,8 +168,8 @@ then
>  	touch $resdir/buildonly
>  	exit 0
>  fi
> -echo $QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd
> -( $QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) &
> +echo $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd
> +( $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) &
>  qemu_pid=$!
>  commandcompleted=0
>  echo Monitoring qemu job at pid $qemu_pid
> -- 
> 1.8.1.5
> 
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