torture: Add command and results directory to torture.sh log

This commit adds the command and arguments to the torture.sh log file, and
also outputs the results directory.  This latter allows impatient users
to quickly find the results that are being generated by the current run.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

tools/testing/selftests/rcutorture/bin/torture.sh

@@ -174,10 +174,17 @@ do
 	shift
 done
 
+ds="`date +%Y.%m.%d-%H.%M.%S`-torture"
+startdate="`date`"
+starttime="`get_starttime`"
+
 T=/tmp/torture.sh.$$
 trap 'rm -rf $T' 0 2
 mkdir $T
 
+echo " --- " $scriptname $args | tee -a $T/log
+echo " --- Results directory: " $ds | tee -a $T/log
+
 # Calculate rcutorture defaults and apportion time
 if test -z "$configs_rcutorture"
 then
@@ -217,10 +224,6 @@ fi
 touch $T/failures
 touch $T/successes
 
-ds="`date +%Y.%m.%d-%H.%M.%S`-torture"
-startdate="`date`"
-starttime="`get_starttime`"
-
 # torture_one - Does a single kvm.sh run.
 #
 # Usage: