1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
from rpython.jit.metainterp.history import ConstInt, ConstFloat
from rpython.jit.metainterp.resoperation import rop, AbstractInputArg
from rpython.rlib.debug import (have_debug_prints, debug_start, debug_stop,
debug_print)
from rpython.rlib.objectmodel import we_are_translated, compute_unique_id
from rpython.rlib.rarithmetic import r_uint
from rpython.rtyper.lltypesystem import lltype, llmemory, rffi
class Logger(object):
def __init__(self, metainterp_sd, guard_number=False):
self.metainterp_sd = metainterp_sd
self.guard_number = guard_number
def log_loop_from_trace(self, trace, memo):
if not have_debug_prints():
return
inputargs, ops = self._unpack_trace(trace)
self.log_loop(inputargs, ops, memo=memo)
def _unpack_trace(self, trace):
ops = []
i = trace.get_iter()
while not i.done():
ops.append(i.next())
return i.inputargs, ops
def log_loop(self, inputargs, operations, number=0, type=None,
ops_offset=None, name='', memo=None):
if type is None:
debug_start("jit-log-noopt-loop")
debug_print("# Loop", number, '(%s)' % name, ":", "noopt",
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-noopt-loop")
elif type == "rewritten":
debug_start("jit-log-rewritten-loop")
debug_print("# Loop", number, '(%s)' % name, ":", type,
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-rewritten-loop")
elif number == -2:
debug_start("jit-log-compiling-loop")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-compiling-loop")
else:
debug_start("jit-log-opt-loop")
debug_print("# Loop", number, '(%s)' % name, ":", type,
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-opt-loop")
return logops
def log_bridge(self, inputargs, operations, extra=None,
descr=None, ops_offset=None, memo=None):
if extra == "noopt":
debug_start("jit-log-noopt-bridge")
debug_print("# bridge out of Guard",
"0x%x" % compute_unique_id(descr),
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-noopt-bridge")
elif extra == "rewritten":
debug_start("jit-log-rewritten-bridge")
debug_print("# bridge out of Guard",
"0x%x" % compute_unique_id(descr),
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-rewritten-bridge")
elif extra == "compiling":
debug_start("jit-log-compiling-bridge")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-compiling-bridge")
else:
debug_start("jit-log-opt-bridge")
debug_print("# bridge out of Guard",
"0x%x" % r_uint(compute_unique_id(descr)),
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset,
memo)
debug_stop("jit-log-opt-bridge")
return logops
def log_short_preamble(self, inputargs, operations, memo=None):
debug_start("jit-log-short-preamble")
logops = self._log_operations(inputargs, operations, ops_offset=None,
memo=memo)
debug_stop("jit-log-short-preamble")
return logops
def log_abort_loop(self, trace, memo=None):
debug_start("jit-abort-log")
if not have_debug_prints():
debug_stop("jit-abort-log")
return
inputargs, operations = self._unpack_trace(trace)
logops = self._log_operations(inputargs, operations, ops_offset=None,
memo=memo)
debug_stop("jit-abort-log")
return logops
def _log_operations(self, inputargs, operations, ops_offset, memo=None):
if not have_debug_prints():
return None
logops = self._make_log_operations(memo)
logops._log_operations(inputargs, operations, ops_offset, memo)
return logops
def _make_log_operations(self, memo):
return LogOperations(self.metainterp_sd, self.guard_number, memo)
def repr_of_resop(self, op):
# XXX fish the memo from somewhere
return LogOperations(self.metainterp_sd, self.guard_number,
None).repr_of_resop(op)
class LogOperations(object):
"""
ResOperation logger.
"""
def __init__(self, metainterp_sd, guard_number, memo):
self.metainterp_sd = metainterp_sd
self.ts = metainterp_sd.cpu.ts
self.guard_number = guard_number
if memo is None:
memo = {}
self.memo = memo
def repr_of_descr(self, descr):
return descr.repr_of_descr()
def repr_of_arg(self, arg):
try:
mv = self.memo[arg]
except KeyError:
mv = len(self.memo)
self.memo[arg] = mv
if isinstance(arg, ConstInt):
if int_could_be_an_address(arg.value):
addr = arg.getaddr()
name = self.metainterp_sd.get_name_from_address(addr)
if name:
return 'ConstClass(' + name + ')'
return str(arg.value)
elif isinstance(arg, self.ts.ConstRef):
if arg.value:
return 'ConstPtr(ptr' + str(mv) + ')'
return 'ConstPtr(null)'
elif isinstance(arg, ConstFloat):
return str(arg.getfloat())
elif arg is None:
return 'None'
elif arg.is_vector():
# cannot infer this information, VectorizationInfo
# might be lost here already
#vecinfo = arg.get_forwarded()
#assert isinstance(vecinfo, VectorizationInfo)
#suffix = '[%dx%s%d]' % (vecinfo.count, vecinfo.datatype, vecinfo.bytesize * 8)
return 'v' + str(mv)
elif arg.type == 'i':
return 'i' + str(mv)
elif arg.type == 'r':
return 'p' + str(mv)
elif arg.type == 'f':
return 'f' + str(mv)
else:
return '?'
def repr_of_resop(self, op, ops_offset=None):
if isinstance(op, AbstractInputArg):
return self.repr_of_arg(op)
if op.getopnum() == rop.DEBUG_MERGE_POINT:
jd_sd = self.metainterp_sd.jitdrivers_sd[op.getarg(0).getint()]
s = jd_sd.warmstate.get_location_str(op.getarglist()[3:])
s = s.replace(',', '.') # we use comma for argument splitting
return "debug_merge_point(%d, %d, '%s')" % (op.getarg(1).getint(), op.getarg(2).getint(), s)
if op.getopnum() == rop.JIT_DEBUG:
args = op.getarglist()
s = args[0]._get_str()
s = s.replace(',', '.') # we use comma for argument splitting
s2 = ''
for box in args[1:]:
if isinstance(box, ConstInt):
s2 += ', %d' % box.getint()
else:
s2 += ', box'
return "jit_debug('%s'%s)" % (s, s2)
if ops_offset is None:
offset = -1
else:
final_op = op.get_box_replacement()
offset = ops_offset.get(final_op, -1)
if offset == -1:
s_offset = ""
else:
s_offset = "+%d: " % offset
args = ", ".join([self.repr_of_arg(op.getarg(i)) for i in range(op.numargs())])
if op.type != 'v':
res = self.repr_of_arg(op) + " = "
else:
res = ""
is_guard = op.is_guard()
if op.getdescr() is not None:
descr = op.getdescr()
if is_guard and self.guard_number:
hash = r_uint(compute_unique_id(descr))
r = "<Guard0x%x>" % hash
else:
r = self.repr_of_descr(descr)
if args:
args += ', descr=' + r
else:
args = "descr=" + r
if is_guard and op.getfailargs() is not None:
fail_args = ' [' + ", ".join([self.repr_of_arg(arg)
for arg in op.getfailargs()]) + ']'
else:
fail_args = ''
return s_offset + res + op.getopname() + '(' + args + ')' + fail_args
def _log_operations(self, inputargs, operations, ops_offset=None,
memo=None):
if not have_debug_prints():
return
if ops_offset is None:
ops_offset = {}
if inputargs is not None:
args = ", ".join([self.repr_of_arg(arg) for arg in inputargs])
debug_print('[' + args + ']')
for i in range(len(operations)):
#op = operations[i]
debug_print(self.repr_of_resop(operations[i], ops_offset))
#if op.getopnum() == rop.LABEL:
# self._log_inputarg_setup_ops(op)
if ops_offset and None in ops_offset:
offset = ops_offset[None]
debug_print("+%d: --end of the loop--" % offset)
def log_loop(self, loop, memo=None):
self._log_operations(loop.inputargs, loop.operations, memo=memo)
def int_could_be_an_address(x):
if we_are_translated():
x = rffi.cast(lltype.Signed, x) # force it
return not (-32768 <= x <= 32767)
else:
return isinstance(x, llmemory.AddressAsInt)
|
