[PATCH 3/6] perf scripts python: exported-sql-viewer.py: Add tree level

[Adrian Hunter]

As preparation for adding support for copying to clipboard, keep track of
what level each item is in tree items.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
 tools/perf/scripts/python/exported-sql-viewer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 73fc02d6d1e4..c0fb88d440ba 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -470,6 +470,10 @@ class CallGraphLevelItemBase(object):
 		self.query_done = False;
 		self.child_count = 0
 		self.child_items = []
+		if parent_item:
+			self.level = parent_item.level + 1
+		else:
+			self.level = 0
 
 	def getChildItem(self, row):
 		return self.child_items[row]
-- 
2.17.1