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perf scripts python: exported-sql-viewer.py: Add Selected branches report

Fetching data from the database can be slow. Add a report that provides
the ability to select a subset of branches.

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/20181104151238.15947-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Adrian Hunter 2018-11-04 17:12:36 +02:00 committed by Arnaldo Carvalho de Melo
parent 5ed4419d47
commit 210cf1f961
1 changed files with 327 additions and 0 deletions

View File

@ -119,6 +119,14 @@ def dsoname(name):
return "[kernel]"
return name
def findnth(s, sub, n, offs=0):
pos = s.find(sub)
if pos < 0:
return pos
if n <= 1:
return offs + pos
return findnth(s[pos + 1:], sub, n - 1, offs + pos + 1)
# Percent to one decimal place
def PercentToOneDP(n, d):
@ -1464,6 +1472,317 @@ class BranchWindow(QMdiSubWindow):
else:
self.find_bar.NotFound()
# Dialog data item converted and validated using a SQL table
class SQLTableDialogDataItem():
def __init__(self, glb, label, placeholder_text, table_name, match_column, column_name1, column_name2, parent):
self.glb = glb
self.label = label
self.placeholder_text = placeholder_text
self.table_name = table_name
self.match_column = match_column
self.column_name1 = column_name1
self.column_name2 = column_name2
self.parent = parent
self.value = ""
self.widget = QLineEdit()
self.widget.editingFinished.connect(self.Validate)
self.widget.textChanged.connect(self.Invalidate)
self.red = False
self.error = ""
self.validated = True
self.last_id = 0
self.first_time = 0
self.last_time = 2 ** 64
if self.table_name == "<timeranges>":
query = QSqlQuery(self.glb.db)
QueryExec(query, "SELECT id, time FROM samples ORDER BY id DESC LIMIT 1")
if query.next():
self.last_id = int(query.value(0))
self.last_time = int(query.value(1))
QueryExec(query, "SELECT time FROM samples WHERE time != 0 ORDER BY id LIMIT 1")
if query.next():
self.first_time = int(query.value(0))
if placeholder_text:
placeholder_text += ", between " + str(self.first_time) + " and " + str(self.last_time)
if placeholder_text:
self.widget.setPlaceholderText(placeholder_text)
def ValueToIds(self, value):
ids = []
query = QSqlQuery(self.glb.db)
stmt = "SELECT id FROM " + self.table_name + " WHERE " + self.match_column + " = '" + value + "'"
ret = query.exec_(stmt)
if ret:
while query.next():
ids.append(str(query.value(0)))
return ids
def IdBetween(self, query, lower_id, higher_id, order):
QueryExec(query, "SELECT id FROM samples WHERE id > " + str(lower_id) + " AND id < " + str(higher_id) + " ORDER BY id " + order + " LIMIT 1")
if query.next():
return True, int(query.value(0))
else:
return False, 0
def BinarySearchTime(self, lower_id, higher_id, target_time, get_floor):
query = QSqlQuery(self.glb.db)
while True:
next_id = int((lower_id + higher_id) / 2)
QueryExec(query, "SELECT time FROM samples WHERE id = " + str(next_id))
if not query.next():
ok, dbid = self.IdBetween(query, lower_id, next_id, "DESC")
if not ok:
ok, dbid = self.IdBetween(query, next_id, higher_id, "")
if not ok:
return str(higher_id)
next_id = dbid
QueryExec(query, "SELECT time FROM samples WHERE id = " + str(next_id))
next_time = int(query.value(0))
if get_floor:
if target_time > next_time:
lower_id = next_id
else:
higher_id = next_id
if higher_id <= lower_id + 1:
return str(higher_id)
else:
if target_time >= next_time:
lower_id = next_id
else:
higher_id = next_id
if higher_id <= lower_id + 1:
return str(lower_id)
def ConvertRelativeTime(self, val):
print "val ", val
mult = 1
suffix = val[-2:]
if suffix == "ms":
mult = 1000000
elif suffix == "us":
mult = 1000
elif suffix == "ns":
mult = 1
else:
return val
val = val[:-2].strip()
if not self.IsNumber(val):
return val
val = int(val) * mult
if val >= 0:
val += self.first_time
else:
val += self.last_time
return str(val)
def ConvertTimeRange(self, vrange):
print "vrange ", vrange
if vrange[0] == "":
vrange[0] = str(self.first_time)
if vrange[1] == "":
vrange[1] = str(self.last_time)
vrange[0] = self.ConvertRelativeTime(vrange[0])
vrange[1] = self.ConvertRelativeTime(vrange[1])
print "vrange2 ", vrange
if not self.IsNumber(vrange[0]) or not self.IsNumber(vrange[1]):
return False
print "ok1"
beg_range = max(int(vrange[0]), self.first_time)
end_range = min(int(vrange[1]), self.last_time)
if beg_range > self.last_time or end_range < self.first_time:
return False
print "ok2"
vrange[0] = self.BinarySearchTime(0, self.last_id, beg_range, True)
vrange[1] = self.BinarySearchTime(1, self.last_id + 1, end_range, False)
print "vrange3 ", vrange
return True
def AddTimeRange(self, value, ranges):
print "value ", value
n = value.count("-")
if n == 1:
pass
elif n == 2:
if value.split("-")[1].strip() == "":
n = 1
elif n == 3:
n = 2
else:
return False
pos = findnth(value, "-", n)
vrange = [value[:pos].strip() ,value[pos+1:].strip()]
if self.ConvertTimeRange(vrange):
ranges.append(vrange)
return True
return False
def InvalidValue(self, value):
self.value = ""
palette = QPalette()
palette.setColor(QPalette.Text,Qt.red)
self.widget.setPalette(palette)
self.red = True
self.error = self.label + " invalid value '" + value + "'"
self.parent.ShowMessage(self.error)
def IsNumber(self, value):
try:
x = int(value)
except:
x = 0
return str(x) == value
def Invalidate(self):
self.validated = False
def Validate(self):
input_string = self.widget.text()
self.validated = True
if self.red:
palette = QPalette()
self.widget.setPalette(palette)
self.red = False
if not len(input_string.strip()):
self.error = ""
self.value = ""
return
if self.table_name == "<timeranges>":
ranges = []
for value in [x.strip() for x in input_string.split(",")]:
if not self.AddTimeRange(value, ranges):
return self.InvalidValue(value)
ranges = [("(" + self.column_name1 + " >= " + r[0] + " AND " + self.column_name1 + " <= " + r[1] + ")") for r in ranges]
self.value = " OR ".join(ranges)
elif self.table_name == "<ranges>":
singles = []
ranges = []
for value in [x.strip() for x in input_string.split(",")]:
if "-" in value:
vrange = value.split("-")
if len(vrange) != 2 or not self.IsNumber(vrange[0]) or not self.IsNumber(vrange[1]):
return self.InvalidValue(value)
ranges.append(vrange)
else:
if not self.IsNumber(value):
return self.InvalidValue(value)
singles.append(value)
ranges = [("(" + self.column_name1 + " >= " + r[0] + " AND " + self.column_name1 + " <= " + r[1] + ")") for r in ranges]
if len(singles):
ranges.append(self.column_name1 + " IN (" + ",".join(singles) + ")")
self.value = " OR ".join(ranges)
elif self.table_name:
all_ids = []
for value in [x.strip() for x in input_string.split(",")]:
ids = self.ValueToIds(value)
if len(ids):
all_ids.extend(ids)
else:
return self.InvalidValue(value)
self.value = self.column_name1 + " IN (" + ",".join(all_ids) + ")"
if self.column_name2:
self.value = "( " + self.value + " OR " + self.column_name2 + " IN (" + ",".join(all_ids) + ") )"
else:
self.value = input_string.strip()
self.error = ""
self.parent.ClearMessage()
def IsValid(self):
if not self.validated:
self.Validate()
if len(self.error):
self.parent.ShowMessage(self.error)
return False
return True
# Selected branch report creation dialog
class SelectedBranchDialog(QDialog):
def __init__(self, glb, parent=None):
super(SelectedBranchDialog, self).__init__(parent)
self.glb = glb
self.name = ""
self.where_clause = ""
self.setWindowTitle("Selected Branches")
self.setMinimumWidth(600)
items = (
("Report name:", "Enter a name to appear in the window title bar", "", "", "", ""),
("Time ranges:", "Enter time ranges", "<timeranges>", "", "samples.id", ""),
("CPUs:", "Enter CPUs or ranges e.g. 0,5-6", "<ranges>", "", "cpu", ""),
("Commands:", "Only branches with these commands will be included", "comms", "comm", "comm_id", ""),
("PIDs:", "Only branches with these process IDs will be included", "threads", "pid", "thread_id", ""),
("TIDs:", "Only branches with these thread IDs will be included", "threads", "tid", "thread_id", ""),
("DSOs:", "Only branches with these DSOs will be included", "dsos", "short_name", "samples.dso_id", "to_dso_id"),
("Symbols:", "Only branches with these symbols will be included", "symbols", "name", "symbol_id", "to_symbol_id"),
("Raw SQL clause: ", "Enter a raw SQL WHERE clause", "", "", "", ""),
)
self.data_items = [SQLTableDialogDataItem(glb, *x, parent=self) for x in items]
self.grid = QGridLayout()
for row in xrange(len(self.data_items)):
self.grid.addWidget(QLabel(self.data_items[row].label), row, 0)
self.grid.addWidget(self.data_items[row].widget, row, 1)
self.status = QLabel()
self.ok_button = QPushButton("Ok", self)
self.ok_button.setDefault(True)
self.ok_button.released.connect(self.Ok)
self.ok_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.cancel_button = QPushButton("Cancel", self)
self.cancel_button.released.connect(self.reject)
self.cancel_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.hbox = QHBoxLayout()
#self.hbox.addStretch()
self.hbox.addWidget(self.status)
self.hbox.addWidget(self.ok_button)
self.hbox.addWidget(self.cancel_button)
self.vbox = QVBoxLayout()
self.vbox.addLayout(self.grid)
self.vbox.addLayout(self.hbox)
self.setLayout(self.vbox);
def Ok(self):
self.name = self.data_items[0].value
if not self.name:
self.ShowMessage("Report name is required")
return
for d in self.data_items:
if not d.IsValid():
return
for d in self.data_items[1:]:
if len(d.value):
if len(self.where_clause):
self.where_clause += " AND "
self.where_clause += d.value
if len(self.where_clause):
self.where_clause = " AND ( " + self.where_clause + " ) "
else:
self.ShowMessage("No selection")
return
self.accept()
def ShowMessage(self, msg):
self.status.setText("<font color=#FF0000>" + msg)
def ClearMessage(self):
self.status.setText("")
# Event list
def GetEventList(db):
@ -1888,6 +2207,8 @@ class MainWindow(QMainWindow):
if event == "branches":
label = "All branches" if branches_events == 1 else "All branches " + "(id=" + dbid + ")"
reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda x=dbid: self.NewBranchView(x), self))
label = "Selected branches" if branches_events == 1 else "Selected branches " + "(id=" + dbid + ")"
reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda x=dbid: self.NewSelectedBranchView(x), self))
def TableMenu(self, tables, menu):
table_menu = menu.addMenu("&Tables")
@ -1900,6 +2221,12 @@ class MainWindow(QMainWindow):
def NewBranchView(self, event_id):
BranchWindow(self.glb, event_id, "", "", self)
def NewSelectedBranchView(self, event_id):
dialog = SelectedBranchDialog(self.glb, self)
ret = dialog.exec_()
if ret:
BranchWindow(self.glb, event_id, dialog.name, dialog.where_clause, self)
def NewTableView(self, table_name):
TableWindow(self.glb, table_name, self)