class VMStat(TimeSeriesCollection):
file_hdr_line = line(
"^procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----$",
[])
stats_hdr_line = line(
"^ r b swpd free buff cache si so bi bo in cs us sy id wa$",
[])
stats_line = line("\s+(\d+)" * 16, [('r', 'd'), ('b', 'd'), ('swpd', 'd'),
('free', 'd'), ('buff', 'd'),
('cache', 'd'), ('si', 'd'),
('so', 'd'), ('bi', 'd'), ('bo', 'd'),
('in', 'd'), ('cs', 'd'), ('us', 'd'),
('sy', 'd'), ('id', 'd'), ('wa', 'd')])
def parse(self, data):
res = default_empty_timeseries_dict()
data.reverse()
while True:
m = until(self.file_hdr_line, data)
if m == False:
break
m = take(self.stats_hdr_line, data)
assert m != False
m = take_while([self.stats_line], data)
for stat_line in m:
for val in stat_line.iteritems():
res[val[0]] += [val[1]]
return res
def __init__(self, o, w, h):
super().__init__(o, w, h)
left = line(o, (o.x, o.y + h))
bottom = line(o, (o.x + w, o.y))
hypotenuse = line((o.x, o.y + h), (o.x + w, o.y))
self.sides.append(left) #left sides
self.sides.append(bottom) #bottome sides
self.sides.append(hypotenuse) #left sides
def __init__(self,o,w,h):
super().__init__(o,w,h)
left = line(o,(o.x,o.y+h))
bottom = line(o,(o.x+w,o.y))
hypotenuse = line((o.x,o.y+h),(o.x+w,o.y))
self.sides.append(left) #left sides
self.sides.append(bottom)#bottome sides
self.sides.append(hypotenuse) #left sides
def __init__(self,o,w,h):
super().__init__(o,w,h)
left = line(o,(o.x,o.y+h))
bottom = line(o,(o.x+w,o.y))
right = line((o.x+w,o.y),(o.x+w,o.y+h))
top = line((o.x,o.y+h),(o.x+w,o.y+h))
self.sides.append(left) #left sides
self.sides.append(bottom)#bottome sides
self.sides.append(right) #left sides
self.sides.append(top)#bottome sides
def __init__(self, o, w, h):
super().__init__(o, w, h)
left = line(o, (o.x, o.y + h))
bottom = line(o, (o.x + w, o.y))
right = line((o.x + w, o.y), (o.x + w, o.y + h))
top = line((o.x, o.y + h), (o.x + w, o.y + h))
self.sides.append(left) #left sides
self.sides.append(bottom) #bottome sides
self.sides.append(right) #left sides
self.sides.append(top) #bottome sides
def perp_distance(point, line):
"""
Returns the perpendicular offset distance between a given point (x, y)
and a line evaluated at the x value of the point.
"""
return (point.y - line(point.x)) / math.sqrt(1.0 + line.slope**2)
def distance(point, line):
"""
Returns the delta y offset distance between a given point (x, y) and a
line evaluated at the x value of the point.
"""
return point.y - line(point.x)
def perp_distance(point, line):
"""
Returns the perpendicular offset distance between a given point (x, y)
and a line evaluated at the x value of the point.
"""
return (point.y - line(point.x)) / math.sqrt(1.0 + line.slope ** 2)
class QPS(TimeSeriesCollection):
line = line("(\d+)\s+([\d]+)\n", [('tick', 'd'), ('qps', 'f')])
def parse(self, data):
res = default_empty_timeseries_dict()
for line in data:
res['qps'] += [self.line.parse_line(line)['qps']]
return res
def distance(point, line):
"""
Returns the delta y offset distance between a given point (x, y) and a
line evaluated at the x value of the point.
"""
return point.y - line(point.x)
class IOStat(TimeSeriesCollection):
file_hdr_line = line("Linux.*", [])
avg_cpu_hdr_line = line(
"^avg-cpu: %user %nice %system %iowait %steal %idle$", [])
avg_cpu_line = line("^" + "\s+([\d\.]+)" * 6 + "$", [('user', 'f'),
('nice', 'f'),
('system', 'f'),
('iowait', 'f'),
('steal', 'f'),
('idle', 'f')])
dev_hdr_line = line(
"^Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn$",
[])
dev_line = line(
"^(\w+)\s+([\d\.]+)\s+([\d\.]+)\s+([\d\.]+)\s+(\d+)\s+(\d+)$",
[('device', 's'), ('tps', 'f'), (' Blk_read', 'f'), (' Blk_wrtn', 'f'),
(' Blk_read', 'd'), (' Blk_wrtn', 'd')])
def parse(self, data):
res = default_empty_timeseries_dict()
data.reverse()
m = until(self.file_hdr_line, data)
assert m != False
while True:
m = until(self.avg_cpu_hdr_line, data)
if m == False:
break
m = take(self.avg_cpu_line, data)
assert m
for val in m.iteritems():
res['cpu_' + val[0]] += [val[1]]
m = until(self.dev_hdr_line, data)
assert m != False
m = take_while([self.dev_line], data)
for device in m:
dev_name = device.pop('device')
for val in device.iteritems():
res['dev:' + dev_name + '_' + val[0]] += [val[1]]
return res
def parse_client_meta(self, data):
client_line = line(
'\[host: [\d\.]+, port: \d+, clients: \d+, load: (\d+)/(\d+)/(\d+)/(\d+), keys: \d+-\d+, values: \d+-\d+ , duration: (\d+), batch factor: \d+-\d+, latency file: latency.txt, QPS file: qps.txt\]',
[('deletes', 'd'), ('updates', 'd'), ('inserts', 'd'),
('reads', 'd'), ('duration', 'd')])
m = until(client_line, data)
assert m != False
return "D/U/I/R = %d/%d/%d/%d Duration = %d" % (
m['deletes'], m['updates'], m['inserts'], m['reads'],
m['duration'])
class RunStats(TimeSeriesCollection):
name_line = line("^" + "([\#\d_]+)[\t\n]+" * ncolumns,
[('col%d' % i, 's') for i in range(ncolumns)])
data_line = line("^" + "(\d+)[\t\n]+" * ncolumns,
[('col%d' % i, 'd') for i in range(ncolumns)])
def parse(self, data):
res = default_empty_timeseries_dict()
data.reverse()
m = take(self.name_line, data)
assert m
col_names = m
m = take_while([self.data_line], data)
for line in m:
for col in line.iteritems():
res[col_names[col[0]]] += [col[1]]
return res
def append_line (self, line_number, new_line) :
continuation_line = False
new_line = new_line.rstrip(' \n').replace('\t', '')
## is it a comment or empty line?
if new_line == "" or new_line[0] in ["C", "c", "*"] or new_line.lstrip(' ')[0] == "!" :
return
# is this a continuation line ?
# F90-style
if self.continuation_pending :
if new_line.lstrip (" ")[0] == "&" :
new_line = new_line.lstrip (" ")[1:]
continuation_line = True
self.continuation_pending = False
# F77 style:
# we interpret it as continuation only if there is neither a space nor a letter
# in column 6 to prevent trouble with free form source starting in column 6
# If anybody used a letter in column 6 as continuation marker, the code
# is pretty f****d up anyway
if new_line[:5].isspace () and not new_line[5].isalpha () and not new_line[5].isspace () :
new_line = new_line[6:]
continuation_line = True
# continuation pending ?
if len(new_line) > 0 and new_line[-1] == '&' :
new_line = new_line[:-1]
self.continuation_pending = True
if not new_line == "" :
if continuation_line :
self.lines[-1].continue_line (line_number, new_line)
else:
if not self.lines == [] :
try:
self.lines[-1].line_is_complete ()
except error.FortranException, ex:
if self.ignore_errors :
print str(ex)
print "Error is ignored"
del self.lines[-1]
else :
raise ex
self.lines.append ( line (line_number, new_line) )
def createNewline(self, wherex, wherey, screenCoordinates=1):
self.fromClass = None
self.toClass = None
# try the global constraints...
res = self.ASGroot.preCondition(ASG.CREATE)
if res:
self.constraintViolation(res)
self.mode = self.IDLEMODE
return
new_semantic_obj = line(self)
ne = len(self.ASGroot.listNodes["line"])
if new_semantic_obj.keyword_:
new_semantic_obj.keyword_.setValue(
new_semantic_obj.keyword_.toString() + str(ne))
if screenCoordinates:
new_obj = graph_line(self.UMLmodel.canvasx(wherex),
self.UMLmodel.canvasy(wherey), new_semantic_obj)
else: # already in canvas coordinates
new_obj = graph_line(wherex, wherey, new_semantic_obj)
new_obj.DrawObject(self.UMLmodel, self.editGGLabel)
self.UMLmodel.addtag_withtag("line", new_obj.tag)
new_semantic_obj.graphObject_ = new_obj
self.ASGroot.addNode(new_semantic_obj)
res = self.ASGroot.postCondition(ASG.CREATE)
if res:
self.constraintViolation(res)
self.mode = self.IDLEMODE
return
res = new_semantic_obj.postCondition(ASGNode.CREATE)
if res:
self.constraintViolation(res)
self.mode = self.IDLEMODE
return
self.mode = self.IDLEMODE
if self.editGGLabel:
self.statusbar.event(StatusBar.TRANSFORMATION, StatusBar.CREATE)
else:
self.statusbar.event(StatusBar.MODEL, StatusBar.CREATE)
return new_semantic_obj
class default_empty_timeseries_dict(dict):
units_line = line("(\w+)\[(\w+)\]", [('key', 's'), ('units', 's')])
def __setitem__(self, key, item):
m = self.units_line.parse_line(key)
if m:
key = m['key']
units = m['units']
dict.__setitem__(self, key, item)
def __getitem__(self, key):
m = self.units_line.parse_line(key)
if m:
key = m['key']
units = m['units']
else:
units = ''
if key in self:
return self.get(key)
else:
return TimeSeries(units)
def copy(self):
copy = default_empty_timeseries_dict()
copy.update(self)
return copy
# Hack to enforce a specific ordering of RethinkDB and competitors
def iteritems(self):
sorted_keys = self.keys()
sorted_keys.sort()
sorted_keys.reverse()
result = []
# Put RethinkDB to the beginning
if 'RethinkDB' in self:
result.append(('RethinkDB', self['RethinkDB']))
for x in sorted_keys:
if x != 'RethinkDB':
result.append((x, self[x]))
return iter(result)
def createNewline(self, wherex, wherey, screenCoordinates = 1):
self.fromClass = None
self.toClass = None
# try the global constraints...
res = self.ASGroot.preCondition(ASG.CREATE)
if res:
self.constraintViolation(res)
self.mode=self.IDLEMODE
return
new_semantic_obj = line(self)
ne = len(self.ASGroot.listNodes["line"])
if new_semantic_obj.keyword_:
new_semantic_obj.keyword_.setValue(new_semantic_obj.keyword_.toString()+str(ne))
if screenCoordinates:
new_obj = graph_line(self.UMLmodel.canvasx(wherex), self.UMLmodel.canvasy(wherey), new_semantic_obj)
else: # already in canvas coordinates
new_obj = graph_line(wherex, wherey, new_semantic_obj)
new_obj.DrawObject(self.UMLmodel, self.editGGLabel)
self.UMLmodel.addtag_withtag("line", new_obj.tag)
new_semantic_obj.graphObject_ = new_obj
self.ASGroot.addNode(new_semantic_obj)
res = self.ASGroot.postCondition(ASG.CREATE)
if res:
self.constraintViolation(res)
self.mode=self.IDLEMODE
return
res = new_semantic_obj.postCondition(ASGNode.CREATE)
if res:
self.constraintViolation(res)
self.mode=self.IDLEMODE
return
self.mode=self.IDLEMODE
if self.editGGLabel :
self.statusbar.event(StatusBar.TRANSFORMATION, StatusBar.CREATE)
else:
self.statusbar.event(StatusBar.MODEL, StatusBar.CREATE)
return new_semantic_obj
class RDBStat():
int_line = line("^STAT\s+([\w\[\]]+)\s+(\d+|-)$", [('name', 's'),
('value', 'd')])
flt_line = line("^STAT\s+([\w\[\]]+)\s+([\d\.]+|-)$", [('name', 's'),
('value', 'f')])
str_line = line("^STAT\s+([\w\[\]]+)\s+(.+)$", [('name', 's'),
('value', 's')])
end_line = line("END", [])
def __init__(self, addrinfo, limits={}, interval=1, stats_callback=None):
self.socket = socket.socket()
self.socket.connect(addrinfo)
self.socket.setblocking(True)
self.limits = limits
self.interval = interval
self.stats_callback = stats_callback # we pass a dictionary with stats whenever we get the new stats
self.last_stats = {}
self.limits = None
self.thr = None
def check(self, limits=None):
if limits:
self.limits = limits
# assert self.limits
#send the stat request
self.socket.send("rdb stats\r\n")
#recv the response
data = ''
while True:
try:
if re.search("END", data):
break
new_data = self.socket.recv(1000)
if len(new_data) == 0:
self.keep_going = False
return
data += new_data
except:
self.keep_going = False
return
assert data #make sure the server actually gave us back something
data = data.splitlines()
data.reverse()
matches = take_while([self.int_line, self.flt_line, self.str_line],
data)
if not matches:
return
stat_dict = {}
for stat in matches:
stat_dict[stat["name"]] = stat["value"]
self.last_stats = stat_dict
if self.stats_callback:
self.stats_callback(stat_dict)
for name, acceptable_range in self.limits.iteritems():
if not stat_dict[name] in acceptable_range:
raise (StatError(name, stat_dict[name], acceptable_range))
def run(self):
self.keep_going = True
time.sleep(5)
try:
while self.keep_going:
self.check()
time.sleep(self.interval)
finally:
self.keep_going = False
try:
self.socket.close()
except:
pass
def start(self):
self.thr = threading.Thread(target=self.run)
self.thr.start()
def stop(self):
self.keep_going = False
if self.thr and self.thr.is_alive():
self.thr.join()
def parse_server_meta(self, data):
threads_line = line('Number of DB threads: (\d+)', [('threads', 'd')])
m = until(threads_line, data)
assert m != False
return "Threads: %d" % m['threads']
def parse_server_meta(self, data):
threads_line = line('Number of DB threads: (\d+)',
[('threads', 'd')])
m = until(threads_line, data)
assert m != False
return "Threads: %d" % m['threads']
else:
return prefix + value_padding + str(num).zfill(6)
def sock_readline(sock_file):
ls = []
while True:
l = sock_file.readline()
ls.append(l)
if len(l) >= 2 and l[-2:] == '\r\n':
break
return ''.join(ls)
value_line = line("^VALUE\s+([^\s]+)\s+(\d+)\s+(\d+)\r\n$", [('key', 's'),
('flags', 'd'),
('length', 'd')])
def is_sorted_output(kvs):
k = None
for kv in kvs:
if not k:
k = kv['key']
continue
if k >= kv['key']:
return False
k = kv['key']
return True
if num % 5 == 4:
return prefix + large_value_padding + str(num).zfill(6)
else:
return prefix + value_padding + str(num).zfill(6)
def sock_readline(sock_file):
ls = []
while True:
l = sock_file.readline()
ls.append(l)
if len(l) >= 2 and l[-2:] == '\r\n':
break
return ''.join(ls)
value_line = line("^VALUE\s+([^\s]+)\s+(\d+)\s+(\d+)\r\n$", [('key', 's'), ('flags', 'd'), ('length', 'd')])
def get_results(s):
res = []
f = s.makefile()
while True:
l = sock_readline(f)
if l == 'END\r\n':
break
val_def = value_line.parse_line(l)
if not val_def:
raise ValueError("received unexpected line from rget: %s" % l)
val = sock_readline(f).rstrip()
if len(val) != val_def['length']:
raise ValueError("received value of unexpected length (expected %d, got %d: '%s')" % (val_def['length'], len(val), val))
def parse_client_meta(self, data):
client_line = line('\[host: [\d\.]+, port: \d+, clients: \d+, load: (\d+)/(\d+)/(\d+)/(\d+), keys: \d+-\d+, values: \d+-\d+ , duration: (\d+), batch factor: \d+-\d+, latency file: latency.txt, QPS file: qps.txt\]', [('deletes', 'd'), ('updates', 'd'), ('inserts', 'd'), ('reads', 'd'), ('duration', 'd')])
m = until(client_line, data)
assert m != False
return "D/U/I/R = %d/%d/%d/%d Duration = %d" % (m['deletes'], m['updates'], m['inserts'], m['reads'], m['duration'])
class RDBStats(TimeSeriesCollection):
int_line = line("^STAT\s+([\w\[\]]+)\s+(\d+|-)\r$", [('name', 's'),
('value', 'd')])
flt_line = line("^STAT\s+([\w\[\]]+)\s+([\d\.]+|-)\r$", [('name', 's'),
('value', 'f')])
str_line = line("^STAT\s+([\w\[\]]+)\s+(.+|-)\r$", [('name', 's'),
('value', 's')])
end_line = line("END", [])
def parse(self, data):
res = default_empty_timeseries_dict()
data.reverse()
while True:
m = take_while([self.int_line, self.flt_line, self.str_line], data)
if not m:
break
for match in m:
res[match['name']] += [match['value']]
m = take(self.end_line, data)
if m == False: # Incomplete stats, might happen if monitor was killes while retrieving stats response
break
if res:
lens = map(lambda x: len(x[1]), res.iteritems())
assert max(lens) == min(lens)
return res
def process(self):
differences = [('io_reads_completed', 'io_reads_started'),
('io_writes_started', 'io_writes_completed')]
ratios = [('conns_reading_total', 'conns_total'),
('conns_writing_total', 'conns_total'),
('blocks_dirty', 'blocks_total'),
('blocks_in_memory', 'blocks_total'),
('serializer_old_garbage_blocks',
'serializer_old_total_blocks')]
slides = [('io_writes_started', 'io_writes_completed')]
# differences = [('io_reads_completed', 'io_reads_started'),
# ('io_writes_started', 'io_writes_completed'),
# ('transactions_started', 'transactions_ready'),
# ('transactions_ready', 'transactions_completed'),
# ('bufs_acquired', 'bufs_ready'),
# ('bufs_ready', 'bufs_released')]
# ratios = [('conns_in_btree_incomplete', 'conns_total'),
# ('conns_in_outstanding_data', 'conns_total'),
# ('conns_in_socket_connected', 'conns_total'),
# ('conns_in_socket_recv_incomplete', 'conns_total'),
# ('conns_in_socket_send_incomplete', 'conns_total'),
# ('blocks_dirty', 'blocks_total'),
# ('blocks_in_memory', 'blocks_total'),
# ('serializer_old_garbage_blocks', 'serializer_old_total_blocks')]
#
# slides = [('flushes_started', 'flushes_acquired_lock'),
# ('flushes_acquired_lock', 'flushes_completed'),
# ('io_writes_started', 'io_writes_completed')]
keys_to_drop = set()
for dif in differences:
self.derive(dif[0] + ' - ' + dif[1], dif, difference)
keys_to_drop.add(dif[0])
keys_to_drop.add(dif[1])
for rat in ratios:
self.derive(rat[0] + ' / ' + rat[1], rat, ratio)
keys_to_drop.add(rat[0])
self.remap(
'serializer_old_garbage_blocks / serializer_old_total_blocks',
'garbage_ratio')
for s in slides:
self.derive('slide(' + s[0] + ', ' + s[1] + ')', s, slide)
keys_to_drop.add(s[0])
keys_to_drop.add(s[1])
self.drop(keys_to_drop)
