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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>
This commit is contained in:
Adrian Hunter
Arnaldo Carvalho de Melo
parent
5ed4419d47
commit
210cf1f961
@ -119,6 +119,14 @@ def dsoname(name):
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return "[kernel]"
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return name
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def findnth(s, sub, n, offs=0):
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pos = s.find(sub)
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if pos < 0:
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return pos
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if n <= 1:
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return offs + pos
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return findnth(s[pos + 1:], sub, n - 1, offs + pos + 1)
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# Percent to one decimal place
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def PercentToOneDP(n, d):
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@ -1464,6 +1472,317 @@ class BranchWindow(QMdiSubWindow):
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else:
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self.find_bar.NotFound()
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# Dialog data item converted and validated using a SQL table
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class SQLTableDialogDataItem():
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def __init__(self, glb, label, placeholder_text, table_name, match_column, column_name1, column_name2, parent):
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self.glb = glb
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self.label = label
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self.placeholder_text = placeholder_text
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self.table_name = table_name
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self.match_column = match_column
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self.column_name1 = column_name1
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self.column_name2 = column_name2
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self.parent = parent
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self.value = ""
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self.widget = QLineEdit()
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self.widget.editingFinished.connect(self.Validate)
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self.widget.textChanged.connect(self.Invalidate)
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self.red = False
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self.error = ""
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self.validated = True
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self.last_id = 0
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self.first_time = 0
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self.last_time = 2 ** 64
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if self.table_name == "<timeranges>":
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query = QSqlQuery(self.glb.db)
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QueryExec(query, "SELECT id, time FROM samples ORDER BY id DESC LIMIT 1")
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if query.next():
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self.last_id = int(query.value(0))
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self.last_time = int(query.value(1))
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QueryExec(query, "SELECT time FROM samples WHERE time != 0 ORDER BY id LIMIT 1")
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if query.next():
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self.first_time = int(query.value(0))
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if placeholder_text:
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placeholder_text += ", between " + str(self.first_time) + " and " + str(self.last_time)
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if placeholder_text:
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self.widget.setPlaceholderText(placeholder_text)
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def ValueToIds(self, value):
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ids = []
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query = QSqlQuery(self.glb.db)
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stmt = "SELECT id FROM " + self.table_name + " WHERE " + self.match_column + " = '" + value + "'"
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ret = query.exec_(stmt)
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if ret:
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while query.next():
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ids.append(str(query.value(0)))
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return ids
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def IdBetween(self, query, lower_id, higher_id, order):
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QueryExec(query, "SELECT id FROM samples WHERE id > " + str(lower_id) + " AND id < " + str(higher_id) + " ORDER BY id " + order + " LIMIT 1")
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if query.next():
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return True, int(query.value(0))
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else:
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return False, 0
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def BinarySearchTime(self, lower_id, higher_id, target_time, get_floor):
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query = QSqlQuery(self.glb.db)
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while True:
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next_id = int((lower_id + higher_id) / 2)
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QueryExec(query, "SELECT time FROM samples WHERE id = " + str(next_id))
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if not query.next():
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ok, dbid = self.IdBetween(query, lower_id, next_id, "DESC")
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if not ok:
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ok, dbid = self.IdBetween(query, next_id, higher_id, "")
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if not ok:
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return str(higher_id)
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next_id = dbid
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QueryExec(query, "SELECT time FROM samples WHERE id = " + str(next_id))
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next_time = int(query.value(0))
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if get_floor:
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if target_time > next_time:
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lower_id = next_id
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else:
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higher_id = next_id
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if higher_id <= lower_id + 1:
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return str(higher_id)
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else:
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if target_time >= next_time:
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lower_id = next_id
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else:
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higher_id = next_id
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if higher_id <= lower_id + 1:
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return str(lower_id)
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def ConvertRelativeTime(self, val):
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print "val ", val
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mult = 1
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suffix = val[-2:]
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if suffix == "ms":
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mult = 1000000
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elif suffix == "us":
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mult = 1000
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elif suffix == "ns":
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mult = 1
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else:
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return val
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val = val[:-2].strip()
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if not self.IsNumber(val):
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return val
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val = int(val) * mult
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if val >= 0:
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val += self.first_time
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else:
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val += self.last_time
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return str(val)
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def ConvertTimeRange(self, vrange):
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print "vrange ", vrange
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if vrange[0] == "":
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vrange[0] = str(self.first_time)
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if vrange[1] == "":
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vrange[1] = str(self.last_time)
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vrange[0] = self.ConvertRelativeTime(vrange[0])
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vrange[1] = self.ConvertRelativeTime(vrange[1])
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print "vrange2 ", vrange
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if not self.IsNumber(vrange[0]) or not self.IsNumber(vrange[1]):
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return False
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print "ok1"
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beg_range = max(int(vrange[0]), self.first_time)
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end_range = min(int(vrange[1]), self.last_time)
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if beg_range > self.last_time or end_range < self.first_time:
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return False
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print "ok2"
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vrange[0] = self.BinarySearchTime(0, self.last_id, beg_range, True)
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vrange[1] = self.BinarySearchTime(1, self.last_id + 1, end_range, False)
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print "vrange3 ", vrange
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return True
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def AddTimeRange(self, value, ranges):
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print "value ", value
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n = value.count("-")
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if n == 1:
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pass
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elif n == 2:
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if value.split("-")[1].strip() == "":
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n = 1
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elif n == 3:
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n = 2
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else:
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return False
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pos = findnth(value, "-", n)
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vrange = [value[:pos].strip() ,value[pos+1:].strip()]
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if self.ConvertTimeRange(vrange):
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ranges.append(vrange)
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return True
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return False
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def InvalidValue(self, value):
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self.value = ""
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palette = QPalette()
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palette.setColor(QPalette.Text,Qt.red)
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self.widget.setPalette(palette)
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self.red = True
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self.error = self.label + " invalid value '" + value + "'"
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self.parent.ShowMessage(self.error)
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def IsNumber(self, value):
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try:
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x = int(value)
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except:
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x = 0
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return str(x) == value
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def Invalidate(self):
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self.validated = False
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def Validate(self):
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input_string = self.widget.text()
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self.validated = True
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if self.red:
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palette = QPalette()
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self.widget.setPalette(palette)
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self.red = False
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if not len(input_string.strip()):
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self.error = ""
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self.value = ""
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return
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if self.table_name == "<timeranges>":
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ranges = []
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for value in [x.strip() for x in input_string.split(",")]:
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if not self.AddTimeRange(value, ranges):
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return self.InvalidValue(value)
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ranges = [("(" + self.column_name1 + " >= " + r[0] + " AND " + self.column_name1 + " <= " + r[1] + ")") for r in ranges]
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self.value = " OR ".join(ranges)
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elif self.table_name == "<ranges>":
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singles = []
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ranges = []
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for value in [x.strip() for x in input_string.split(",")]:
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if "-" in value:
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vrange = value.split("-")
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if len(vrange) != 2 or not self.IsNumber(vrange[0]) or not self.IsNumber(vrange[1]):
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return self.InvalidValue(value)
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ranges.append(vrange)
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else:
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if not self.IsNumber(value):
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return self.InvalidValue(value)
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singles.append(value)
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ranges = [("(" + self.column_name1 + " >= " + r[0] + " AND " + self.column_name1 + " <= " + r[1] + ")") for r in ranges]
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if len(singles):
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ranges.append(self.column_name1 + " IN (" + ",".join(singles) + ")")
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self.value = " OR ".join(ranges)
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elif self.table_name:
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all_ids = []
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for value in [x.strip() for x in input_string.split(",")]:
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ids = self.ValueToIds(value)
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if len(ids):
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all_ids.extend(ids)
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else:
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return self.InvalidValue(value)
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self.value = self.column_name1 + " IN (" + ",".join(all_ids) + ")"
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if self.column_name2:
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self.value = "( " + self.value + " OR " + self.column_name2 + " IN (" + ",".join(all_ids) + ") )"
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else:
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self.value = input_string.strip()
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self.error = ""
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self.parent.ClearMessage()
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def IsValid(self):
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if not self.validated:
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self.Validate()
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if len(self.error):
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self.parent.ShowMessage(self.error)
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return False
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return True
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# Selected branch report creation dialog
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class SelectedBranchDialog(QDialog):
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def __init__(self, glb, parent=None):
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super(SelectedBranchDialog, self).__init__(parent)
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self.glb = glb
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self.name = ""
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self.where_clause = ""
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self.setWindowTitle("Selected Branches")
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self.setMinimumWidth(600)
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items = (
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("Report name:", "Enter a name to appear in the window title bar", "", "", "", ""),
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("Time ranges:", "Enter time ranges", "<timeranges>", "", "samples.id", ""),
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("CPUs:", "Enter CPUs or ranges e.g. 0,5-6", "<ranges>", "", "cpu", ""),
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("Commands:", "Only branches with these commands will be included", "comms", "comm", "comm_id", ""),
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("PIDs:", "Only branches with these process IDs will be included", "threads", "pid", "thread_id", ""),
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("TIDs:", "Only branches with these thread IDs will be included", "threads", "tid", "thread_id", ""),
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("DSOs:", "Only branches with these DSOs will be included", "dsos", "short_name", "samples.dso_id", "to_dso_id"),
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("Symbols:", "Only branches with these symbols will be included", "symbols", "name", "symbol_id", "to_symbol_id"),
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("Raw SQL clause: ", "Enter a raw SQL WHERE clause", "", "", "", ""),
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)
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self.data_items = [SQLTableDialogDataItem(glb, *x, parent=self) for x in items]
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self.grid = QGridLayout()
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for row in xrange(len(self.data_items)):
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self.grid.addWidget(QLabel(self.data_items[row].label), row, 0)
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self.grid.addWidget(self.data_items[row].widget, row, 1)
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self.status = QLabel()
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self.ok_button = QPushButton("Ok", self)
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self.ok_button.setDefault(True)
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self.ok_button.released.connect(self.Ok)
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self.ok_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
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self.cancel_button = QPushButton("Cancel", self)
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self.cancel_button.released.connect(self.reject)
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self.cancel_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
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self.hbox = QHBoxLayout()
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#self.hbox.addStretch()
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self.hbox.addWidget(self.status)
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self.hbox.addWidget(self.ok_button)
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self.hbox.addWidget(self.cancel_button)
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self.vbox = QVBoxLayout()
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self.vbox.addLayout(self.grid)
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self.vbox.addLayout(self.hbox)
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self.setLayout(self.vbox);
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def Ok(self):
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self.name = self.data_items[0].value
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if not self.name:
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self.ShowMessage("Report name is required")
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return
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for d in self.data_items:
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if not d.IsValid():
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return
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for d in self.data_items[1:]:
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if len(d.value):
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if len(self.where_clause):
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self.where_clause += " AND "
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self.where_clause += d.value
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if len(self.where_clause):
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self.where_clause = " AND ( " + self.where_clause + " ) "
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else:
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self.ShowMessage("No selection")
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return
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self.accept()
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def ShowMessage(self, msg):
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self.status.setText("<font color=#FF0000>" + msg)
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def ClearMessage(self):
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self.status.setText("")
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# Event list
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def GetEventList(db):
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@ -1888,6 +2207,8 @@ class MainWindow(QMainWindow):
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if event == "branches":
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label = "All branches" if branches_events == 1 else "All branches " + "(id=" + dbid + ")"
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reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda x=dbid: self.NewBranchView(x), self))
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label = "Selected branches" if branches_events == 1 else "Selected branches " + "(id=" + dbid + ")"
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reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda x=dbid: self.NewSelectedBranchView(x), self))
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def TableMenu(self, tables, menu):
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table_menu = menu.addMenu("&Tables")
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@ -1900,6 +2221,12 @@ class MainWindow(QMainWindow):
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def NewBranchView(self, event_id):
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BranchWindow(self.glb, event_id, "", "", self)
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def NewSelectedBranchView(self, event_id):
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dialog = SelectedBranchDialog(self.glb, self)
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ret = dialog.exec_()
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if ret:
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BranchWindow(self.glb, event_id, dialog.name, dialog.where_clause, self)
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def NewTableView(self, table_name):
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TableWindow(self.glb, table_name, self)
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