[PATCH 3/6] perf scripts python: exported-sql-viewer.py: Fix unexpanded 'Find' result

[Adrian Hunter <adrian.hunter@intel.com>]

Using Python version 3.8.2 and PySide2 version 5.14.0, ctrl-F ('Find')
would not expand the tree to the result. Fix by using setExpanded().

Example:
 $ perf record -e intel_pt//u uname
 Linux
 [ perf record: Woken up 1 times to write data ]
 [ perf record: Captured and wrote 0.034 MB perf.data ]
 $ perf script --itrace=bep -s ~/libexec/perf-core/scripts/python/export-to-sqlite.py perf.data.db branches calls
 2020-06-26 15:32:14.928997 Creating database ...
 2020-06-26 15:32:14.933971 Writing records...
 2020-06-26 15:32:15.535251 Adding indexes
 2020-06-26 15:32:15.542993 Dropping unused tables
 2020-06-26 15:32:15.549716 Done
 $ python3 ~/libexec/perf-core/scripts/python/exported-sql-viewer.py perf.data.db

 Select: Reports -> Context-Sensitive Call Graph    or     Reports -> Call Tree
 Press: Ctrl-F
 Enter: main
 Press: Enter

 Before: line showing 'main' does not display
 After: tree is expanded to line showing 'main'

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes:; ebd70c7dc2f5f ("perf scripts python: exported-sql-viewer.py: Add ability to find symbols in the call-graph")
Cc: stable@vger.kernel.org
---
 tools/perf/scripts/python/exported-sql-viewer.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 26d7be785288..4be7cb68c8bb 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -1050,6 +1050,7 @@ class TreeWindowBase(QMdiSubWindow):
 				child = self.model.index(row, 0, parent)
 				if child.internalPointer().dbid == dbid:
 					found = True
+					self.view.setExpanded(parent, True)
 					self.view.setCurrentIndex(child)
 					parent = child
 					break
-- 
2.17.1