perf test coresight: Add unroll thread test shell script

This adds scripts to drive the unroll thread tests to compare perf
output against a minimum bar of content/quality.

Reviewed-by: James Clark <[e-mail]>
Signed-off-by: Carsten Haitzler <[e-mail]>
Cc: Leo Yan <[e-mail]>
Cc: Mathieu Poirier <[e-mail]>
Cc: Mike Leach <[e-mail]>
Cc: Suzuki Poulouse <[e-mail]>
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh

···
+#!/bin/sh -e
+# CoreSight / Unroll Loop Thread 10
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <[e-mail]>, 2021
+
+TEST="unroll_loop_thread"
+. $(dirname $0)/../lib/coresight.sh
+ARGS="10"
+DATV="10"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 10 10 10
+
+err=$?
+exit $err