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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Clark Williams <williams@redhat.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	Adrian Hunter <adrian.hunter@intel.com>,
	Andi Kleen <ak@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 24/37] perf scripts python: call-graph-from-sql.py: Factor out CallGraphModel from TreeModel
Date: Thu, 25 Oct 2018 08:10:18 -0300	[thread overview]
Message-ID: <20181025111031.3440-25-acme@kernel.org> (raw)
In-Reply-To: <20181025111031.3440-1-acme@kernel.org>

From: Adrian Hunter <adrian.hunter@intel.com>

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>
---
 tools/perf/scripts/python/call-graph-from-sql.py | 90 ++++++++++++++++--------
 1 file 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)
-- 
2.14.4


  parent reply	other threads:[~2018-10-25 11:11 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-25 11:09 [PATCH 00/37] perf/core improvements and fixes Arnaldo Carvalho de Melo
2018-10-25 11:09 ` [PATCH 01/37] perf record: Encode -k clockid frequency into Perf trace Arnaldo Carvalho de Melo
2018-10-25 11:09 ` [PATCH 02/37] perf annotate: Add Sparc support Arnaldo Carvalho de Melo
2018-10-25 11:09 ` [PATCH 03/37] perf jitdump: " Arnaldo Carvalho de Melo
2018-10-25 11:09 ` [PATCH 04/37] perf symbols: Set PLT entry/header sizes properly on Sparc Arnaldo Carvalho de Melo
2018-10-25 11:09 ` [PATCH 05/37] perf arm64: Fix generate system call table failed with /tmp mounted with noexec Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 06/37] tools lib subcmd: Introduce OPTION_ULONG Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 07/37] perf trace: Introduce --max-events Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 08/37] perf evsel: Introduce per event max_events property Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 09/37] perf evsel: Mark a evsel as disabled when asking the kernel do disable it Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 10/37] perf trace: Drop addr_location refcounts Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 11/37] perf trace: Drop thread refcount in trace__event_handler() Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 12/37] perf stat: Poll for monitored tasks being alive Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 13/37] perf script: Allow extended console debug output Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 14/37] perf script: Flush output stream after events in verbose mode Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 15/37] perf trace: Introduce per-event maximum number of events property Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 16/37] perf scripts python: call-graph-from-sql.py: Use SPDX license identifier Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 17/37] perf scripts python: call-graph-from-sql.py: Provide better default column sizes Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 18/37] perf scripts python: call-graph-from-sql.py: Set a minimum window size Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 19/37] perf scripts python: call-graph-from-sql.py: Change icon Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 20/37] perf scripts python: call-graph-from-sql.py: Make a "Main" function Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 21/37] perf scripts python: call-graph-from-sql.py: Separate the database details into a class Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 22/37] perf scripts python: call-graph-from-sql.py: Add a class for global data Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 23/37] perf scripts python: call-graph-from-sql.py: Remove use of setObjectName() Arnaldo Carvalho de Melo
2018-10-25 11:10 ` Arnaldo Carvalho de Melo [this message]
2018-10-25 11:10 ` [PATCH 25/37] perf scripts python: call-graph-from-sql.py: Add data helper functions Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 26/37] perf scripts python: call-graph-from-sql.py: Refactor TreeItem class Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 27/37] perf scripts python: call-graph-from-sql.py: Rename to exported-sql-viewer.py Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 28/37] perf scripts python: exported-sql-viewer.py: Add support for multiple sub-windows Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 29/37] perf scripts python: exported-sql-viewer.py: Add ability to find symbols in the call-graph Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 30/37] perf scripts python: exported-sql-viewer.py: Add ability to shrink / enlarge font Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 31/37] perf scripts python: exported-sql-viewer.py: Add ability to display all the database tables Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 32/37] perf scripts python: exported-sql-viewer.py: Add All branches report Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 33/37] perf script: Add --insn-trace for instruction decoding Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 34/37] perf script: Make itrace script default to all calls Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 35/37] tools script: Add --call-trace and --call-ret-trace Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 36/37] perf script: Implement --graph-function Arnaldo Carvalho de Melo
2018-10-25 11:10 ` [PATCH 37/37] perf script: Support total cycles count Arnaldo Carvalho de Melo
2018-10-26  7:25 ` [PATCH 00/37] perf/core improvements and fixes Ingo Molnar

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