If the new 'has_calls' column is present, use it with the call graph and
call tree to select only comms that have calls.

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
 tools/perf/scripts/python/exported-sql-viewer.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py 
b/tools/perf/scripts/python/exported-sql-viewer.py
index dbbd7a5d9b60..61b3911d91e6 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -623,8 +623,11 @@ class CallGraphRootItem(CallGraphLevelItemBase):
                super(CallGraphRootItem, self).__init__(glb, params, 0, None)
                self.dbid = 0
                self.query_done = True
+               if_has_calls = ""
+               if IsSelectable(glb.db, "comms", columns = "has_calls"):
+                       if_has_calls = " WHERE has_calls = TRUE"
                query = QSqlQuery(glb.db)
-               QueryExec(query, "SELECT id, comm FROM comms")
+               QueryExec(query, "SELECT id, comm FROM comms" + if_has_calls)
                while query.next():
                        if not query.value(0):
                                continue
@@ -900,8 +903,11 @@ class CallTreeRootItem(CallGraphLevelItemBase):
                super(CallTreeRootItem, self).__init__(glb, params, 0, None)
                self.dbid = 0
                self.query_done = True
+               if_has_calls = ""
+               if IsSelectable(glb.db, "comms", columns = "has_calls"):
+                       if_has_calls = " WHERE has_calls = TRUE"
                query = QSqlQuery(glb.db)
-               QueryExec(query, "SELECT id, comm FROM comms")
+               QueryExec(query, "SELECT id, comm FROM comms" + if_has_calls)
                while query.next():
                        if not query.value(0):
                                continue
-- 
2.17.1

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