[tip:perf/core] perf scripts python: exported-sql-viewer.py: Add tree level

[tip-bot for Adrian Hunter]

Commit-ID:  3ac641f4acd66c109b74f108f8a61f2905702b10
Gitweb:     https://git.kernel.org/tip/3ac641f4acd66c109b74f108f8a61f2905702b10
Author:     Adrian Hunter <adrian.hunter@xxxxxxxxx>
AuthorDate: Fri, 3 May 2019 15:08:25 +0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 15 May 2019 16:36:47 -0300

perf scripts python: exported-sql-viewer.py: Add tree level

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>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190503120828.25326-4-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 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 fd073e4af8da..48953257a1f0 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -456,6 +456,10 @@ 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]