diff options
| -rw-r--r-- | tools/perf/scripts/python/call-graph-from-sql.py | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index ada486048ad8..7f2eabe7dacd 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -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: |