def asio_context(ctx_idx=None):
"""Get the AsioContext in the current thread by index."""
contexts = TL('HPHP::AsioSession::s_current')['m_p']['m_contexts']
top_idx = sizeof(contexts)
if ctx_idx is None:
ctx_idx = top_idx
if ctx_idx > top_idx:
return None
# AsioContexts are numbered from 1.
return idx.vector_at(contexts, ctx_idx - 1)
def asio_context(ctx_idx=None):
"""Get the AsioContext in the current thread by index."""
contexts = TL('HPHP::AsioSession::s_current')['m_p']['m_contexts']
top_idx = sizeof(contexts)
if ctx_idx is None:
ctx_idx = top_idx
if ctx_idx > top_idx:
return None
# AsioContexts are numbered from 1.
return idx.vector_at(contexts, ctx_idx - 1)
def invoke(self, args, from_tty):
asio_session = TL('HPHP::AsioSession::s_current')['m_p']
contexts = asio_session['m_contexts']
num_contexts = sizeof(contexts)
if num_contexts == 0:
print('Not currently in the scope of an AsioContext')
return
asio_ctx = asio_context()
# Count the number of contexts, and print the topmost.
print('\n%d stacked AsioContext%s (current: (%s) %s)' %
(int(num_contexts), plural_suffix(num_contexts),
str(asio_ctx.type), str(asio_ctx)))
# Get the current vmfp().
header_ptype = T('HPHP::rds::Header').pointer()
vmfp = TL('HPHP::rds::tl_base').cast(header_ptype)['vmRegs']['fp']
wh_ptype = T('HPHP::c_WaitableWaitHandle').pointer()
# Find the most recent join().
for _i, fp in izip(count(), frame.gen_php(vmfp)):
if nameof(fp['m_func']) == 'HH\WaitHandle::join':
break
if nameof(fp['m_func']) != 'HH\WaitHandle::join':
print("...but couldn't find join(). Something is wrong.\n")
return
wh = fp['m_this'].cast(wh_ptype)
print('\nCurrently %s WaitHandle: (%s) %s [state: %s]' %
('joining' if i == 0 else 'executing', str(
wh.type), str(wh), WaitHandle(wh).state_str()))
# Dump the async stacktrace.
for s in frame.stringify_stacktrace(asio_stacktrace(wh)):
print(' %s' % s)
# Count the number of queued runnables.
queue_size = sizeof(asio_ctx['m_runnableQueue'])
print('%d other resumable%s queued' %
(int(queue_size), plural_suffix(queue_size)))
sleeps = asio_ctx['m_sleepEvents']
externals = asio_ctx['m_externalThreadEvents']
num_sleeps = sizeof(sleeps)
num_externals = sizeof(externals)
# Count sleep and external thread events.
print('')
print('%d pending sleep event%s' %
(int(num_sleeps), plural_suffix(num_sleeps)))
print('%d pending external thread event%s' %
(int(num_externals), plural_suffix(num_externals)))
# Dump sleep and external thread event stacktraces.
for vec in [sleeps, externals]:
for i in xrange(int(sizeof(vec))):
wh = idx.vector_at(vec, i)
stacktrace = frame.stringify_stacktrace(asio_stacktrace(wh, 3))
print('\n(%s) %s [state: %s]' %
(str(wh.type), str(wh), WaitHandle(wh).state_str()))
if len(stacktrace) == 4:
for s in stacktrace[0:-1]:
print(' %s' % s)
print(' ...')
print(' %s' % stacktrace[-1])
else:
for s in stacktrace:
print(' %s' % s)
print('')
def __init__(self, obj):
self.obj = obj
self.cls = rawptr(obj['m_cls'])
self.end = sizeof(self.cls['m_declProperties'])
self.cur = gdb.Value(0).cast(self.end.type)
def __init__(self, obj):
self.obj = obj
self.cls = rawptr(obj['m_cls'])
self.end = sizeof(self.cls['m_declProperties'])
self.cur = gdb.Value(0).cast(self.end.type)
def invoke(self, args, from_tty):
asio_session = TL('HPHP::AsioSession::s_current')['m_p']
contexts = asio_session['m_contexts']
num_contexts = sizeof(contexts)
if num_contexts == 0:
print('Not currently in the scope of an AsioContext')
return
asio_ctx = asio_context()
# Count the number of contexts, and print the topmost.
print('\n%d stacked AsioContext%s (current: (%s) %s)' % (
int(num_contexts),
plural_suffix(num_contexts),
str(asio_ctx.type),
str(asio_ctx)))
# Get the current vmfp().
header_ptype = T('HPHP::rds::Header').pointer()
vmfp = TL('HPHP::rds::tl_base').cast(header_ptype)['vmRegs']['fp']
wh_ptype = T('HPHP::c_WaitableWaitHandle').pointer()
# Find the most recent join().
for i, fp in izip(count(), frame.gen_php(vmfp)):
if nameof(fp['m_func']) == 'HH\WaitHandle::join':
break
if nameof(fp['m_func']) != 'HH\WaitHandle::join':
print("...but couldn't find join(). Something is wrong.\n")
return
wh = fp['m_this'].cast(wh_ptype)
print('\nCurrently %s WaitHandle: (%s) %s [state: %s]' % (
'joining' if i == 0 else 'executing',
str(wh.type),
str(wh),
WaitHandle(wh).state_str()))
# Dump the async stacktrace.
for s in frame.stringify_stacktrace(asio_stacktrace(wh)):
print(' %s' % s)
# Count the number of queued runnables.
queue_size = sizeof(asio_ctx['m_runnableQueue'])
print('%d other resumable%s queued' % (
int(queue_size),
plural_suffix(queue_size)))
sleeps = asio_ctx['m_sleepEvents']
externals = asio_ctx['m_externalThreadEvents']
num_sleeps = sizeof(sleeps)
num_externals = sizeof(externals)
# Count sleep and external thread events.
print('')
print('%d pending sleep event%s' % (
int(num_sleeps), plural_suffix(num_sleeps)))
print('%d pending external thread event%s' % (
int(num_externals), plural_suffix(num_externals)))
# Dump sleep and external thread event stacktraces.
for vec in [sleeps, externals]:
for i in xrange(int(sizeof(vec))):
wh = idx.vector_at(vec, i)
stacktrace = frame.stringify_stacktrace(asio_stacktrace(wh, 3))
print('\n(%s) %s [state: %s]' % (
str(wh.type), str(wh), WaitHandle(wh).state_str()))
if len(stacktrace) == 4:
for s in stacktrace[0:-1]:
print(' %s' % s)
print(' ...')
print(' %s' % stacktrace[-1])
else:
for s in stacktrace:
print(' %s' % s)
print('')