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author | Adrian Hunter <adrian.hunter@intel.com> | 2018-10-01 09:28:43 +0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-10-23 20:23:52 +0300 |
commit | 70d831e85c1bdd87d193e85666bf3aa39aab7f21 (patch) | |
tree | 61d50f10351b3364e339d4f5a47098e8f79686b5 /tools/perf | |
parent | e99ef8141a6d97abaf47647cfd0034769144d080 (diff) | |
download | linux-70d831e85c1bdd87d193e85666bf3aa39aab7f21.tar.xz |
perf scripts python: call-graph-from-sql.py: Factor out CallGraphModel from TreeModel
Factor out CallGraphModel from TreeModel, which paves the way to reuse
TreeModel in future reports.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-10-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/scripts/python/call-graph-from-sql.py | 90 |
1 files changed, 61 insertions, 29 deletions
diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 65c18e351bc4..ada486048ad8 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -201,42 +201,47 @@ class TreeItem(): self.selectCalls() return self.child_count - def columnCount(self): - return 7 - - def columnHeader(self, column): - headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "] - return headers[column] + def hasChildren(self): + if not self.query_done: + return True + return self.child_count > 0 def getData(self, column): return self.data[column] +# Tree data model + class TreeModel(QAbstractItemModel): - def __init__(self, db, parent=None): + def __init__(self, root, parent=None): super(TreeModel, self).__init__(parent) - self.db = db - self.root = TreeItem(db, 0, None) + self.root = root + self.last_row_read = 0 - def columnCount(self, parent): - return self.root.columnCount() - - def rowCount(self, parent): + def Item(self, parent): if parent.isValid(): - parent_item = parent.internalPointer() + return parent.internalPointer() else: - parent_item = self.root - return parent_item.childCount() + return self.root + + def rowCount(self, parent): + result = self.Item(parent).childCount() + if result < 0: + result = 0 + self.dataChanged.emit(parent, parent) + return result + + def hasChildren(self, parent): + return self.Item(parent).hasChildren() def headerData(self, section, orientation, role): if role == Qt.TextAlignmentRole: - if section > 1: - return Qt.AlignRight + return self.columnAlignment(section) if role != Qt.DisplayRole: return None if orientation != Qt.Horizontal: return None - return self.root.columnHeader(section) + return self.columnHeader(section) def parent(self, child): child_item = child.internalPointer() @@ -246,21 +251,48 @@ class TreeModel(QAbstractItemModel): return self.createIndex(parent_item.getRow(), 0, parent_item) def index(self, row, column, parent): - if parent.isValid(): - parent_item = parent.internalPointer() - else: - parent_item = self.root - child_item = parent_item.getChildItem(row) + child_item = self.Item(parent).getChildItem(row) return self.createIndex(row, column, child_item) + def DisplayData(self, item, index): + return item.getData(index.column()) + + def columnAlignment(self, column): + return Qt.AlignLeft + + def columnFont(self, column): + return None + def data(self, index, role): if role == Qt.TextAlignmentRole: - if index.column() > 1: - return Qt.AlignRight + return self.columnAlignment(index.column()) + if role == Qt.FontRole: + return self.columnFont(index.column()) if role != Qt.DisplayRole: return None - index_item = index.internalPointer() - return index_item.getData(index.column()) + item = index.internalPointer() + return self.DisplayData(item, index) + +# Context-sensitive call graph data model + +class CallGraphModel(TreeModel): + + def __init__(self, glb, parent=None): + super(CallGraphModel, self).__init__(TreeItem(glb.db, 0, None), parent) + self.glb = glb + + def columnCount(self, parent=None): + return 7 + + def columnHeader(self, column): + headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "] + return headers[column] + + def columnAlignment(self, column): + alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ] + return alignment[column] + +# Main window class MainWindow(QMainWindow): @@ -275,7 +307,7 @@ class MainWindow(QMainWindow): self.setWindowIcon(self.style().standardIcon(QStyle.SP_ComputerIcon)) self.setMinimumSize(200, 100) - self.model = TreeModel(glb.db) + self.model = CallGraphModel(glb) self.view = QTreeView() self.view.setModel(self.model) |