perf scripts python: call-graph-from-sql.py: Add data helper functions (4be9ace7) · Commits · 戴 / test

tools/perf/scripts/python/call-graph-from-sql.py

+29 −25

Original line number	Diff line number	Diff line
		@@ -52,6 +52,28 @@ from PySide.QtGui import *
		from PySide.QtSql import *
		from decimal import *

		# Data formatting helpers

		def dsoname(name):
		if name == "[kernel.kallsyms]":
		return "[kernel]"
		return name

		# Percent to one decimal place

		def PercentToOneDP(n, d):
		if not d:
		return "0.0"
		x = (n * Decimal(100)) / d
		return str(x.quantize(Decimal(".1"), rounding=ROUND_HALF_UP))

		# Helper for queries that must not fail

		def QueryExec(query, stmt):
		ret = query.exec_(stmt)
		if not ret:
		raise Exception("Query failed: " + query.lastError().text())

		class TreeItem():

		def __init__(self, db, row, parent_item):
		@@ -73,9 +95,7 @@ class TreeItem():
		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())
		QueryExec(query, 'SELECT id, comm FROM comms')
		while query.next():
		if not query.value(0):
		continue
		@@ -91,9 +111,7 @@ class TreeItem():
		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())
		QueryExec(query, '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))
		while query.next():
		child_item = TreeItem(self.db, self.child_count, self)
		self.child_items.append(child_item)
		@@ -114,18 +132,6 @@ class TreeItem():
		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
		@@ -134,14 +140,12 @@ class TreeItem():
		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[1] = dsoname(dso)
		child_item.data[2] = str(count)
		child_item.data[3] = str(time)
		child_item.data[4] = self.timePercent(time)
		child_item.data[4] = PercentToOneDP(time, self.time)
		child_item.data[5] = str(branch_count)
		child_item.data[6] = self.branchPercent(branch_count)
		child_item.data[6] = PercentToOneDP(branch_count, self.branch_count)
		self.child_items.append(child_item)
		self.child_count += 1

		@@ -189,12 +193,12 @@ class TreeItem():
		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)
		child_item.data[6] = PercentToOneDP(child_item.branch_count, self.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)
		child_item.data[4] = PercentToOneDP(child_item.time, self.time)

		def childCount(self):
		if not self.query_done:

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