Add more test cases to cover all supported topdown events regroup cases.

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
---
 tools/perf/tests/shell/stat.sh | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh
index 092a7a2abcf8..85897898a1f4 100755
--- a/tools/perf/tests/shell/stat.sh
+++ b/tools/perf/tests/shell/stat.sh
@@ -73,9 +73,27 @@ test_topdown_groups() {
     err=1
     return
   fi
-  if perf stat -e '{topdown-retiring,slots}' true 2>&1 | grep -E -q "<not supported>"
+  if perf stat -e 'instructions,topdown-retiring,slots' true 2>&1 | grep -E -q "<not supported>"
   then
-    echo "Topdown event group test [Failed slots not reordered first]"
+    echo "Topdown event group test [Failed slots not reordered first in no-group case]"
+    err=1
+    return
+  fi
+  if perf stat -e '{instructions,topdown-retiring,slots}' true 2>&1 | grep -E -q "<not supported>"
+  then
+    echo "Topdown event group test [Failed slots not reordered first in single group case]"
+    err=1
+    return
+  fi
+  if perf stat -e '{instructions,slots},topdown-retiring' true 2>&1 | grep -E -q "<not supported>"
+  then
+    echo "Topdown event group test [Failed topdown metrics event not move into slots group]"
+    err=1
+    return
+  fi
+  if perf stat -e '{instructions,slots},{topdown-retiring}' true 2>&1 | grep -E -q "<not supported>"
+  then
+    echo "Topdown event group test [Failed topdown metrics group not merge into slots group]"
     err=1
     return
   fi
-- 
2.40.1