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Date: Thu, 3 Aug 2017 11:31:29 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] perf script: Rename call-graph-from-postgresql.py to call-graph-from-sql.py
Rename call-graph-from-postgresql.py to call-graph-from-sql.py in
preparation for adding support to it for SQLite 3.
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
tools/perf/Documentation/intel-pt.txt | 2 +-
.../scripts/python/call-graph-from-postgresql.py | 327 ---------------------
tools/perf/scripts/python/call-graph-from-sql.py | 327 +++++++++++++++++++++
tools/perf/scripts/python/export-to-postgresql.py | 2 +-
4 files changed, 329 insertions(+), 329 deletions(-)
delete mode 100644 tools/perf/scripts/python/call-graph-from-postgresql.py
create mode 100644 tools/perf/scripts/python/call-graph-from-sql.py
diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt
index 8e8ae3ad4cbf..ab1b0825130a 100644
--- a/tools/perf/Documentation/intel-pt.txt
+++ b/tools/perf/Documentation/intel-pt.txt
@@ -106,7 +106,7 @@ in transaction, respectively.
While it is possible to create scripts to analyze the data, an alternative
approach is available to export the data to a sqlite or postgresql database.
Refer to script export-to-sqlite.py or export-to-postgresql.py for more details,
-and to script call-graph-from-postgresql.py for an example of using the database.
+and to script call-graph-from-sql.py for an example of using the database.
There is also script intel-pt-events.py which provides an example of how to
unpack the raw data for power events and PTWRITE.
diff --git a/tools/perf/scripts/python/call-graph-from-postgresql.py b/tools/perf/scripts/python/call-graph-from-postgresql.py
deleted file mode 100644
index ed9f7f3ccf22..000000000000
--- a/tools/perf/scripts/python/call-graph-from-postgresql.py
+++ /dev/null
@@ -1,327 +0,0 @@
-#!/usr/bin/python2
-# call-graph-from-postgresql.py: create call-graph from postgresql database
-# Copyright (c) 2014, Intel Corporation.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-
-# To use this script you will need to have exported data using the
-# export-to-postgresql.py script. Refer to that script for details.
-#
-# Following on from the example in the export-to-postgresql.py script, a
-# call-graph can be displayed for the pt_example database like this:
-#
-# python tools/perf/scripts/python/call-graph-from-postgresql.py pt_example
-#
-# Note this script supports connecting to remote databases by setting hostname,
-# port, username, password, and dbname e.g.
-#
-# python tools/perf/scripts/python/call-graph-from-postgresql.py "hostname=myhost username=myuser password=mypassword dbname=pt_example"
-#
-# The result is a GUI window with a tree representing a context-sensitive
-# call-graph. Expanding a couple of levels of the tree and adjusting column
-# widths to suit will display something like:
-#
-# Call Graph: pt_example
-# Call Path Object Count Time(ns) Time(%) Branch Count Branch Count(%)
-# v- ls
-# v- 2638:2638
-# v- _start ld-2.19.so 1 10074071 100.0 211135 100.0
-# |- unknown unknown 1 13198 0.1 1 0.0
-# >- _dl_start ld-2.19.so 1 1400980 13.9 19637 9.3
-# >- _d_linit_internal ld-2.19.so 1 448152 4.4 11094 5.3
-# v-__libc_start_main@plt ls 1 8211741 81.5 180397 85.4
-# >- _dl_fixup ld-2.19.so 1 7607 0.1 108 0.1
-# >- __cxa_atexit libc-2.19.so 1 11737 0.1 10 0.0
-# >- __libc_csu_init ls 1 10354 0.1 10 0.0
-# |- _setjmp libc-2.19.so 1 0 0.0 4 0.0
-# v- main ls 1 8182043 99.6 180254 99.9
-#
-# Points to note:
-# The top level is a command name (comm)
-# The next level is a thread (pid:tid)
-# Subsequent levels are functions
-# 'Count' is the number of calls
-# 'Time' is the elapsed time until the function returns
-# Percentages are relative to the level above
-# 'Branch Count' is the total number of branches for that function and all
-# functions that it calls
-
-import sys
-from PySide.QtCore import *
-from PySide.QtGui import *
-from PySide.QtSql import *
-from decimal import *
-
-class TreeItem():
-
- def __init__(self, db, row, parent_item):
- self.db = db
- self.row = row
- self.parent_item = parent_item
- self.query_done = False;
- self.child_count = 0
- self.child_items = []
- self.data = ["", "", "", "", "", "", ""]
- self.comm_id = 0
- self.thread_id = 0
- self.call_path_id = 1
- self.branch_count = 0
- self.time = 0
- if not parent_item:
- self.setUpRoot()
-
- def setUpRoot(self):
- self.query_done = True
- query = QSqlQuery(self.db)
- ret = query.exec_('SELECT id, comm FROM comms')
- if not ret:
- raise Exception("Query failed: " + query.lastError().text())
- while query.next():
- if not query.value(0):
- continue
- child_item = TreeItem(self.db, self.child_count, self)
- self.child_items.append(child_item)
- self.child_count += 1
- child_item.setUpLevel1(query.value(0), query.value(1))
-
- def setUpLevel1(self, comm_id, comm):
- self.query_done = True;
- self.comm_id = comm_id
- self.data[0] = comm
- self.child_items = []
- self.child_count = 0
- query = QSqlQuery(self.db)
- ret = query.exec_('SELECT thread_id, ( SELECT pid FROM threads WHERE id = thread_id ), ( SELECT tid FROM threads WHERE id = thread_id ) FROM comm_threads WHERE comm_id = ' + str(comm_id))
- if not ret:
- raise Exception("Query failed: " + query.lastError().text())
- while query.next():
- child_item = TreeItem(self.db, self.child_count, self)
- self.child_items.append(child_item)
- self.child_count += 1
- child_item.setUpLevel2(comm_id, query.value(0), query.value(1), query.value(2))
-
- def setUpLevel2(self, comm_id, thread_id, pid, tid):
- self.comm_id = comm_id
- self.thread_id = thread_id
- self.data[0] = str(pid) + ":" + str(tid)
-
- def getChildItem(self, row):
- return self.child_items[row]
-
- def getParentItem(self):
- return self.parent_item
-
- def getRow(self):
- return self.row
-
- def timePercent(self, b):
- if not self.time:
- return "0.0"
- x = (b * Decimal(100)) / self.time
- return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP))
-
- def branchPercent(self, b):
- if not self.branch_count:
- return "0.0"
- x = (b * Decimal(100)) / self.branch_count
- return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP))
-
- def addChild(self, call_path_id, name, dso, count, time, branch_count):
- child_item = TreeItem(self.db, self.child_count, self)
- child_item.comm_id = self.comm_id
- child_item.thread_id = self.thread_id
- child_item.call_path_id = call_path_id
- child_item.branch_count = branch_count
- child_item.time = time
- child_item.data[0] = name
- if dso == "[kernel.kallsyms]":
- dso = "[kernel]"
- child_item.data[1] = dso
- child_item.data[2] = str(count)
- child_item.data[3] = str(time)
- child_item.data[4] = self.timePercent(time)
- child_item.data[5] = str(branch_count)
- child_item.data[6] = self.branchPercent(branch_count)
- self.child_items.append(child_item)
- self.child_count += 1
-
- def selectCalls(self):
- self.query_done = True;
- query = QSqlQuery(self.db)
- ret = query.exec_('SELECT id, call_path_id, branch_count, call_time, return_time, '
- '( SELECT name FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ), '
- '( SELECT short_name FROM dsos WHERE id = ( SELECT dso_id FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ) ), '
- '( SELECT ip FROM call_paths where id = call_path_id ) '
- 'FROM calls WHERE parent_call_path_id = ' + str(self.call_path_id) + ' AND comm_id = ' + str(self.comm_id) + ' AND thread_id = ' + str(self.thread_id) +
- ' ORDER BY call_path_id')
- if not ret:
- raise Exception("Query failed: " + query.lastError().text())
- last_call_path_id = 0
- name = ""
- dso = ""
- count = 0
- branch_count = 0
- total_branch_count = 0
- time = 0
- total_time = 0
- while query.next():
- if query.value(1) == last_call_path_id:
- count += 1
- branch_count += query.value(2)
- time += query.value(4) - query.value(3)
- else:
- if count:
- self.addChild(last_call_path_id, name, dso, count, time, branch_count)
- last_call_path_id = query.value(1)
- name = query.value(5)
- dso = query.value(6)
- count = 1
- total_branch_count += branch_count
- total_time += time
- branch_count = query.value(2)
- time = query.value(4) - query.value(3)
- if count:
- self.addChild(last_call_path_id, name, dso, count, time, branch_count)
- total_branch_count += branch_count
- total_time += time
- # Top level does not have time or branch count, so fix that here
- if total_branch_count > self.branch_count:
- self.branch_count = total_branch_count
- if self.branch_count:
- for child_item in self.child_items:
- child_item.data[6] = self.branchPercent(child_item.branch_count)
- if total_time > self.time:
- self.time = total_time
- if self.time:
- for child_item in self.child_items:
- child_item.data[4] = self.timePercent(child_item.time)
-
- def childCount(self):
- if not self.query_done:
- 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 getData(self, column):
- return self.data[column]
-
-class TreeModel(QAbstractItemModel):
-
- def __init__(self, db, parent=None):
- super(TreeModel, self).__init__(parent)
- self.db = db
- self.root = TreeItem(db, 0, None)
-
- def columnCount(self, parent):
- return self.root.columnCount()
-
- def rowCount(self, parent):
- if parent.isValid():
- parent_item = parent.internalPointer()
- else:
- parent_item = self.root
- return parent_item.childCount()
-
- def headerData(self, section, orientation, role):
- if role == Qt.TextAlignmentRole:
- if section > 1:
- return Qt.AlignRight
- if role != Qt.DisplayRole:
- return None
- if orientation != Qt.Horizontal:
- return None
- return self.root.columnHeader(section)
-
- def parent(self, child):
- child_item = child.internalPointer()
- if child_item is self.root:
- return QModelIndex()
- parent_item = child_item.getParentItem()
- 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)
- return self.createIndex(row, column, child_item)
-
- def data(self, index, role):
- if role == Qt.TextAlignmentRole:
- if index.column() > 1:
- return Qt.AlignRight
- if role != Qt.DisplayRole:
- return None
- index_item = index.internalPointer()
- return index_item.getData(index.column())
-
-class MainWindow(QMainWindow):
-
- def __init__(self, db, dbname, parent=None):
- super(MainWindow, self).__init__(parent)
-
- self.setObjectName("MainWindow")
- self.setWindowTitle("Call Graph: " + dbname)
- self.move(100, 100)
- self.resize(800, 600)
- style = self.style()
- icon = style.standardIcon(QStyle.SP_MessageBoxInformation)
- self.setWindowIcon(icon);
-
- self.model = TreeModel(db)
-
- self.view = QTreeView()
- self.view.setModel(self.model)
-
- self.setCentralWidget(self.view)
-
-if __name__ == '__main__':
- if (len(sys.argv) < 2):
- print >> sys.stderr, "Usage is: call-graph-from-postgresql.py <database name>"
- raise Exception("Too few arguments")
-
- dbname = sys.argv[1]
-
- db = QSqlDatabase.addDatabase('QPSQL')
-
- opts = dbname.split()
- for opt in opts:
- if '=' in opt:
- opt = opt.split('=')
- if opt[0] == 'hostname':
- db.setHostName(opt[1])
- elif opt[0] == 'port':
- db.setPort(int(opt[1]))
- elif opt[0] == 'username':
- db.setUserName(opt[1])
- elif opt[0] == 'password':
- db.setPassword(opt[1])
- elif opt[0] == 'dbname':
- dbname = opt[1]
- else:
- dbname = opt
-
- db.setDatabaseName(dbname)
- if not db.open():
- raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text())
-
- app = QApplication(sys.argv)
- window = MainWindow(db, dbname)
- window.show()
- err = app.exec_()
- db.close()
- sys.exit(err)
diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py
new file mode 100644
index 000000000000..f18406d3faf7
--- /dev/null
+++ b/tools/perf/scripts/python/call-graph-from-sql.py
@@ -0,0 +1,327 @@
+#!/usr/bin/python2
+# call-graph-from-sql.py: create call-graph from postgresql database
+# Copyright (c) 2014-2017, Intel Corporation.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+
+# To use this script you will need to have exported data using the
+# export-to-postgresql.py script. Refer to that script for details.
+#
+# Following on from the example in the export-to-postgresql.py script, a
+# call-graph can be displayed for the pt_example database like this:
+#
+# python tools/perf/scripts/python/call-graph-from-sql.py pt_example
+#
+# Note this script supports connecting to remote databases by setting hostname,
+# port, username, password, and dbname e.g.
+#
+# python tools/perf/scripts/python/call-graph-from-sql.py "hostname=myhost username=myuser password=mypassword dbname=pt_example"
+#
+# The result is a GUI window with a tree representing a context-sensitive
+# call-graph. Expanding a couple of levels of the tree and adjusting column
+# widths to suit will display something like:
+#
+# Call Graph: pt_example
+# Call Path Object Count Time(ns) Time(%) Branch Count Branch Count(%)
+# v- ls
+# v- 2638:2638
+# v- _start ld-2.19.so 1 10074071 100.0 211135 100.0
+# |- unknown unknown 1 13198 0.1 1 0.0
+# >- _dl_start ld-2.19.so 1 1400980 13.9 19637 9.3
+# >- _d_linit_internal ld-2.19.so 1 448152 4.4 11094 5.3
+# v-__libc_start_main@plt ls 1 8211741 81.5 180397 85.4
+# >- _dl_fixup ld-2.19.so 1 7607 0.1 108 0.1
+# >- __cxa_atexit libc-2.19.so 1 11737 0.1 10 0.0
+# >- __libc_csu_init ls 1 10354 0.1 10 0.0
+# |- _setjmp libc-2.19.so 1 0 0.0 4 0.0
+# v- main ls 1 8182043 99.6 180254 99.9
+#
+# Points to note:
+# The top level is a command name (comm)
+# The next level is a thread (pid:tid)
+# Subsequent levels are functions
+# 'Count' is the number of calls
+# 'Time' is the elapsed time until the function returns
+# Percentages are relative to the level above
+# 'Branch Count' is the total number of branches for that function and all
+# functions that it calls
+
+import sys
+from PySide.QtCore import *
+from PySide.QtGui import *
+from PySide.QtSql import *
+from decimal import *
+
+class TreeItem():
+
+ def __init__(self, db, row, parent_item):
+ self.db = db
+ self.row = row
+ self.parent_item = parent_item
+ self.query_done = False;
+ self.child_count = 0
+ self.child_items = []
+ self.data = ["", "", "", "", "", "", ""]
+ self.comm_id = 0
+ self.thread_id = 0
+ self.call_path_id = 1
+ self.branch_count = 0
+ self.time = 0
+ if not parent_item:
+ self.setUpRoot()
+
+ def setUpRoot(self):
+ self.query_done = True
+ query = QSqlQuery(self.db)
+ ret = query.exec_('SELECT id, comm FROM comms')
+ if not ret:
+ raise Exception("Query failed: " + query.lastError().text())
+ while query.next():
+ if not query.value(0):
+ continue
+ child_item = TreeItem(self.db, self.child_count, self)
+ self.child_items.append(child_item)
+ self.child_count += 1
+ child_item.setUpLevel1(query.value(0), query.value(1))
+
+ def setUpLevel1(self, comm_id, comm):
+ self.query_done = True;
+ self.comm_id = comm_id
+ self.data[0] = comm
+ self.child_items = []
+ self.child_count = 0
+ query = QSqlQuery(self.db)
+ ret = query.exec_('SELECT thread_id, ( SELECT pid FROM threads WHERE id = thread_id ), ( SELECT tid FROM threads WHERE id = thread_id ) FROM comm_threads WHERE comm_id = ' + str(comm_id))
+ if not ret:
+ raise Exception("Query failed: " + query.lastError().text())
+ while query.next():
+ child_item = TreeItem(self.db, self.child_count, self)
+ self.child_items.append(child_item)
+ self.child_count += 1
+ child_item.setUpLevel2(comm_id, query.value(0), query.value(1), query.value(2))
+
+ def setUpLevel2(self, comm_id, thread_id, pid, tid):
+ self.comm_id = comm_id
+ self.thread_id = thread_id
+ self.data[0] = str(pid) + ":" + str(tid)
+
+ def getChildItem(self, row):
+ return self.child_items[row]
+
+ def getParentItem(self):
+ return self.parent_item
+
+ def getRow(self):
+ return self.row
+
+ def timePercent(self, b):
+ if not self.time:
+ return "0.0"
+ x = (b * Decimal(100)) / self.time
+ return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP))
+
+ def branchPercent(self, b):
+ if not self.branch_count:
+ return "0.0"
+ x = (b * Decimal(100)) / self.branch_count
+ return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP))
+
+ def addChild(self, call_path_id, name, dso, count, time, branch_count):
+ child_item = TreeItem(self.db, self.child_count, self)
+ child_item.comm_id = self.comm_id
+ child_item.thread_id = self.thread_id
+ child_item.call_path_id = call_path_id
+ child_item.branch_count = branch_count
+ child_item.time = time
+ child_item.data[0] = name
+ if dso == "[kernel.kallsyms]":
+ dso = "[kernel]"
+ child_item.data[1] = dso
+ child_item.data[2] = str(count)
+ child_item.data[3] = str(time)
+ child_item.data[4] = self.timePercent(time)
+ child_item.data[5] = str(branch_count)
+ child_item.data[6] = self.branchPercent(branch_count)
+ self.child_items.append(child_item)
+ self.child_count += 1
+
+ def selectCalls(self):
+ self.query_done = True;
+ query = QSqlQuery(self.db)
+ ret = query.exec_('SELECT id, call_path_id, branch_count, call_time, return_time, '
+ '( SELECT name FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ), '
+ '( SELECT short_name FROM dsos WHERE id = ( SELECT dso_id FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ) ), '
+ '( SELECT ip FROM call_paths where id = call_path_id ) '
+ 'FROM calls WHERE parent_call_path_id = ' + str(self.call_path_id) + ' AND comm_id = ' + str(self.comm_id) + ' AND thread_id = ' + str(self.thread_id) +
+ ' ORDER BY call_path_id')
+ if not ret:
+ raise Exception("Query failed: " + query.lastError().text())
+ last_call_path_id = 0
+ name = ""
+ dso = ""
+ count = 0
+ branch_count = 0
+ total_branch_count = 0
+ time = 0
+ total_time = 0
+ while query.next():
+ if query.value(1) == last_call_path_id:
+ count += 1
+ branch_count += query.value(2)
+ time += query.value(4) - query.value(3)
+ else:
+ if count:
+ self.addChild(last_call_path_id, name, dso, count, time, branch_count)
+ last_call_path_id = query.value(1)
+ name = query.value(5)
+ dso = query.value(6)
+ count = 1
+ total_branch_count += branch_count
+ total_time += time
+ branch_count = query.value(2)
+ time = query.value(4) - query.value(3)
+ if count:
+ self.addChild(last_call_path_id, name, dso, count, time, branch_count)
+ total_branch_count += branch_count
+ total_time += time
+ # Top level does not have time or branch count, so fix that here
+ if total_branch_count > self.branch_count:
+ self.branch_count = total_branch_count
+ if self.branch_count:
+ for child_item in self.child_items:
+ child_item.data[6] = self.branchPercent(child_item.branch_count)
+ if total_time > self.time:
+ self.time = total_time
+ if self.time:
+ for child_item in self.child_items:
+ child_item.data[4] = self.timePercent(child_item.time)
+
+ def childCount(self):
+ if not self.query_done:
+ 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 getData(self, column):
+ return self.data[column]
+
+class TreeModel(QAbstractItemModel):
+
+ def __init__(self, db, parent=None):
+ super(TreeModel, self).__init__(parent)
+ self.db = db
+ self.root = TreeItem(db, 0, None)
+
+ def columnCount(self, parent):
+ return self.root.columnCount()
+
+ def rowCount(self, parent):
+ if parent.isValid():
+ parent_item = parent.internalPointer()
+ else:
+ parent_item = self.root
+ return parent_item.childCount()
+
+ def headerData(self, section, orientation, role):
+ if role == Qt.TextAlignmentRole:
+ if section > 1:
+ return Qt.AlignRight
+ if role != Qt.DisplayRole:
+ return None
+ if orientation != Qt.Horizontal:
+ return None
+ return self.root.columnHeader(section)
+
+ def parent(self, child):
+ child_item = child.internalPointer()
+ if child_item is self.root:
+ return QModelIndex()
+ parent_item = child_item.getParentItem()
+ 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)
+ return self.createIndex(row, column, child_item)
+
+ def data(self, index, role):
+ if role == Qt.TextAlignmentRole:
+ if index.column() > 1:
+ return Qt.AlignRight
+ if role != Qt.DisplayRole:
+ return None
+ index_item = index.internalPointer()
+ return index_item.getData(index.column())
+
+class MainWindow(QMainWindow):
+
+ def __init__(self, db, dbname, parent=None):
+ super(MainWindow, self).__init__(parent)
+
+ self.setObjectName("MainWindow")
+ self.setWindowTitle("Call Graph: " + dbname)
+ self.move(100, 100)
+ self.resize(800, 600)
+ style = self.style()
+ icon = style.standardIcon(QStyle.SP_MessageBoxInformation)
+ self.setWindowIcon(icon);
+
+ self.model = TreeModel(db)
+
+ self.view = QTreeView()
+ self.view.setModel(self.model)
+
+ self.setCentralWidget(self.view)
+
+if __name__ == '__main__':
+ if (len(sys.argv) < 2):
+ print >> sys.stderr, "Usage is: call-graph-from-sql.py <database name>"
+ raise Exception("Too few arguments")
+
+ dbname = sys.argv[1]
+
+ db = QSqlDatabase.addDatabase('QPSQL')
+
+ opts = dbname.split()
+ for opt in opts:
+ if '=' in opt:
+ opt = opt.split('=')
+ if opt[0] == 'hostname':
+ db.setHostName(opt[1])
+ elif opt[0] == 'port':
+ db.setPort(int(opt[1]))
+ elif opt[0] == 'username':
+ db.setUserName(opt[1])
+ elif opt[0] == 'password':
+ db.setPassword(opt[1])
+ elif opt[0] == 'dbname':
+ dbname = opt[1]
+ else:
+ dbname = opt
+
+ db.setDatabaseName(dbname)
+ if not db.open():
+ raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text())
+
+ app = QApplication(sys.argv)
+ window = MainWindow(db, dbname)
+ window.show()
+ err = app.exec_()
+ db.close()
+ sys.exit(err)
diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py
index f57811443beb..efcaf6cac2eb 100644
--- a/tools/perf/scripts/python/export-to-postgresql.py
+++ b/tools/perf/scripts/python/export-to-postgresql.py
@@ -59,7 +59,7 @@ import datetime
# pt_example=# \q
#
# An example of using the database is provided by the script
-# call-graph-from-postgresql.py. Refer to that script for details.
+# call-graph-from-sql.py. Refer to that script for details.
#
# Tables:
#
--
1.9.1
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