def OldLockReport(threshold = None, out = None):
if out is None:
out = sys.stdout
now = blue.os.GetWallclockTime()
result = False
import uthread
for each in lockManager.GetLocks():
if threshold is None or each.LockedAt() and (now - each.LockedAt()) * 1e-07 >= threshold:
waiting = each.WaitingTasklets()
if not waiting:
continue
result = True
holding = each.HoldingTasklets()
if each.LockedAt():
dt = (now - each.LockedAt()) * 1e-07
else:
dt = -1
print >> out, 'Semaphore %r has been held up for a long time (%ss).' % (each, dt)
for t in waiting:
print >> out, 'waiting thread: %r' % t
if False:
try:
for s in traceback.format_list(traceback.extract_stack(t.frame, 40)):
print >> out, s,
except:
sys.exc_clear()
for t in holding:
print >> out, 'holding thread: %r' % t
try:
for s in traceback.format_list(traceback.extract_stack(t.frame, 40)):
print >> out, s,
except:
sys.exc_clear()
if t.paused:
print >> out, "Holding thread is paused, let's restart it!!! Oh, and tell Kristjan"
try:
t.insert()
print >> out, 'unpaused.'
except:
sys.exc_clear()
elif not t.alive:
print >> out, 'Holding thread is dead. Just release the semaphore and tell Kristjan'
if hasattr(each, 'Unblock'):
each.Unblock()
print >> out, 'semaphore released'
else:
try:
each.release(True)
print >> out, 'semaphore released'
except:
sys.exc_clear()
return result
def ReportThread(self, tid, frame):
report = ['Thread %d:\n' % tid]
if hasattr(frame, 'f_lineno'):
stack = traceback.extract_stack(frame)
report.extend(traceback.format_list(stack))
else:
report.append('No stack\n')
return report
def FormatList(extracted_list, show_locals = 0, show_lines = True):
l = []
for line in extracted_list:
l2 = list(line)
l2[0] = GetStackFileName(l2[0])[0]
if not show_lines:
l2[3] = ''
l.append(l2)
lines = traceback2.format_list(l, show_locals, format=traceback2.FORMAT_LOGSRV | traceback2.FORMAT_SINGLE)
return lines
def FormatList(extracted_list, show_locals=0, show_lines=True):
l = []
for line in extracted_list:
l2 = list(line)
if not show_lines:
l2[3] = ''
l.append(l2)
lines = traceback2.format_list(l,
show_locals,
format=traceback2.FORMAT_LOGSRV
| traceback2.FORMAT_SINGLE)
return lines
def FormatList(traceback_list, show_locals=0, show_lines=True):
cleaned_list = []
for line in traceback_list:
l2 = list(line)
l2[0] = GetFriendlyPathName(l2[0])
if not show_lines:
l2[3] = ''
cleaned_list.append(l2)
lines = traceback2.format_list(cleaned_list,
show_locals,
format=traceback2.FORMAT_LOGSRV
| traceback2.FORMAT_SINGLE)
return lines
def LockCycleReport(graph = None, out = None, timeLimit = None, pathLimit = 10):
if not graph:
g = GetDependencyGraph()
else:
g = graph
if out is None:
out = sys.stdout
cycles = g.FindCycles()
roots = g.FindRoots()
npaths = 0
paths = []
for r in roots:
p = g.PathsFrom(r)
npaths += len(p)
longest = max(p, key=lambda e: len(e))
paths.append(longest)
def PathTime(p):
return sum((getattr(g[n], 'time', 0) for n in p))
pathtimes = [ (p, PathTime(p)) for p in paths ]
if timeLimit:
pathtimes = [ (p, t) for p, t in pathtimes if t is None or t > timeLimit ]
if not cycles and not pathtimes:
return False
pathtimes.sort(key=lambda e: (e[1], len(e[0])), reverse=True)
if pathLimit:
del pathtimes[pathLimit:]
paths = [ p for p, t in pathtimes ]
pathtimes = [ t for p, t in pathtimes ]
players = []
seen = set()
for p in cycles + paths:
for n in p:
if n not in seen:
seen.add(n)
players.append(n)
nc = 0
map = {}
for p in players:
map[p] = 'N%d' % nc
nc += 1
print >> out, 'Found %s cycles' % len(cycles)
for i, cycle in enumerate(cycles):
print >> out, '%2d: ' % i,
for e in cycle:
print >> out, '%s -> ' % map[e],
print >> out
print >> out, 'Found %s roots in %s paths (showing longest path for each root)' % (len(paths), npaths)
for i, path in enumerate(paths):
time = pathtimes[i]
if time is not None:
print >> out, '%2d, t=%4.0fs: ' % (i, time),
else:
print >> out, '%2d, : ' % (i,),
for e in path[:-1]:
print >> out, '%s -> ' % map[e],
print >> out, '%s' % map[path[-1]]
minimum = 0
if cycles:
minimum = max(minimum, len(cycles[0]))
if paths:
minimum = max(minimum, len(paths[0]))
maximum = max(minimum, 10)
print >> out, 'where:'
for v in players[0:maximum]:
k = map[v]
print >> out, ' %3s = %r' % (k, v)
if stackless and isinstance(v, stackless.tasklet):
try:
if not v.alive:
print >> out, 'dead'
elif v.frame:
for s in traceback.format_list(traceback.extract_stack(v.frame, 40), format=FORMAT):
print >> out, ' ' + s,
else:
print >> out, 'no frame'
except:
pass
return True
def LockCycleReport(graph=None, out=None, timeLimit=None, pathLimit=10):
if not graph:
g = GetDependencyGraph()
else:
g = graph
if out is None:
out = sys.stdout
cycles = g.FindCycles()
roots = g.FindRoots()
npaths = 0
paths = []
for r in roots:
p = g.PathsFrom(r)
npaths += len(p)
longest = max(p, key=lambda e: len(e))
paths.append(longest)
def PathTime(p):
return sum((getattr(g[n], 'time', 0) for n in p))
pathtimes = [(p, PathTime(p)) for p in paths]
if timeLimit:
pathtimes = [(p, t) for p, t in pathtimes
if t is None or t > timeLimit]
if not cycles and not pathtimes:
return False
pathtimes.sort(key=lambda e: (e[1], len(e[0])), reverse=True)
if pathLimit:
del pathtimes[pathLimit:]
paths = [p for p, t in pathtimes]
pathtimes = [t for p, t in pathtimes]
players = []
seen = set()
for p in cycles + paths:
for n in p:
if n not in seen:
seen.add(n)
players.append(n)
nc = 0
map = {}
for p in players:
map[p] = 'N%d' % nc
nc += 1
print >> out, 'Found %s cycles' % len(cycles)
for i, cycle in enumerate(cycles):
print >> out, '%2d: ' % i,
for e in cycle:
print >> out, '%s -> ' % map[e],
print >> out
print >> out, 'Found %s roots in %s paths (showing longest path for each root)' % (
len(paths), npaths)
for i, path in enumerate(paths):
time = pathtimes[i]
if time is not None:
print >> out, '%2d, t=%4.0fs: ' % (i, time),
else:
print >> out, '%2d, : ' % (i, ),
for e in path[:-1]:
print >> out, '%s -> ' % map[e],
print >> out, '%s' % map[path[-1]]
minimum = 0
if cycles:
minimum = max(minimum, len(cycles[0]))
if paths:
minimum = max(minimum, len(paths[0]))
maximum = max(minimum, 10)
print >> out, 'where:'
for v in players[0:maximum]:
k = map[v]
print >> out, ' %3s = %r' % (k, v)
if stackless and isinstance(v, stackless.tasklet):
try:
if not v.alive:
print >> out, 'dead'
elif v.frame:
for s in traceback.format_list(traceback.extract_stack(
v.frame, 40),
format=FORMAT):
print >> out, ' ' + s,
else:
print >> out, 'no frame'
except:
pass
return True
