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perf scripts python: exported-sql-viewer.py: Hide Call Graph option if no calls table

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The Call Graph depends on the calls table which is optional when exporting
data, so hide the Call Graph option if there is no calls table.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2019-02-22 09:27:20 +02:00 committed by Arnaldo Carvalho de Melo
parent df8794fe68
commit 655cb952de
1 changed files with 12 additions and 1 deletions
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13
tools/perf/scripts/python/exported-sql-viewer.py
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@ -1786,6 +1786,16 @@ def GetEventList(db):
events.append(query.value(0))
return events
# Is a table selectable
def IsSelectable(db, table):
query = QSqlQuery(db)
try:
QueryExec(query, "SELECT * FROM " + table + " LIMIT 1")
except:
return False
return True
# SQL data preparation
def SQLTableDataPrep(query, count):
@ -2298,7 +2308,8 @@ class MainWindow(QMainWindow):
edit_menu.addAction(CreateAction("&Enlarge Font", "Make text bigger", self.EnlargeFont, self, [QKeySequence("Ctrl++")]))
reports_menu = menu.addMenu("&Reports")
reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self))
if IsSelectable(glb.db, "calls"):
reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self))
self.EventMenu(GetEventList(glb.db), reports_menu)