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
|
""" A small helper module for profiling JIT
"""
import time
from rpython.rlib.debug import debug_print, debug_start, debug_stop
from rpython.rlib.debug import have_debug_prints
from rpython.jit.metainterp.jitexc import JitException
from rpython.rlib.jit import Counters
JITPROF_LINES = Counters.ncounters + 1 + 1
# one for TOTAL, 1 for calls, update if needed
_CPU_LINES = 4 # the last 4 lines are stored on the cpu
class BaseProfiler(object):
pass
class EmptyProfiler(BaseProfiler):
initialized = True
def start(self):
pass
def finish(self):
pass
def start_tracing(self):
pass
def end_tracing(self):
pass
def start_backend(self):
pass
def end_backend(self):
pass
def count(self, kind, inc=1):
pass
def count_ops(self, opnum, kind=Counters.OPS):
pass
def get_counter(self, num):
return 0
def get_times(self, num):
return 0.0
class Profiler(BaseProfiler):
initialized = False
timer = staticmethod(time.time)
starttime = 0
t1 = 0
times = None
counters = None
calls = 0
current = None
cpu = None
def start(self):
self.starttime = self.timer()
self.t1 = self.starttime
self.times = [0, 0]
self.counters = [0] * (Counters.ncounters - _CPU_LINES)
self.calls = 0
self.current = []
def finish(self):
self.tk = self.timer()
self.print_stats()
def _start(self, event):
t0 = self.t1
self.t1 = self.timer()
if self.current:
self.times[self.current[-1]] += self.t1 - t0
self.counters[event] += 1
self.current.append(event)
def _end(self, event):
t0 = self.t1
self.t1 = self.timer()
if not self.current:
debug_print("BROKEN PROFILER DATA!")
return
ev1 = self.current.pop()
if ev1 != event:
debug_print("BROKEN PROFILER DATA!")
return
self.times[ev1] += self.t1 - t0
def start_tracing(self): self._start(Counters.TRACING)
def end_tracing(self): self._end (Counters.TRACING)
def start_backend(self): self._start(Counters.BACKEND)
def end_backend(self): self._end (Counters.BACKEND)
def count(self, kind, inc=1):
self.counters[kind] += inc
def get_counter(self, num):
if num == Counters.TOTAL_COMPILED_LOOPS:
return self.cpu.tracker.total_compiled_loops
elif num == Counters.TOTAL_COMPILED_BRIDGES:
return self.cpu.tracker.total_compiled_bridges
elif num == Counters.TOTAL_FREED_LOOPS:
return self.cpu.tracker.total_freed_loops
elif num == Counters.TOTAL_FREED_BRIDGES:
return self.cpu.tracker.total_freed_bridges
return self.counters[num]
def get_times(self, num):
return self.times[num]
def count_ops(self, opnum, kind=Counters.OPS):
from rpython.jit.metainterp.resoperation import OpHelpers
self.counters[kind] += 1
if OpHelpers.is_call(opnum) and kind == Counters.RECORDED_OPS:
self.calls += 1
def print_stats(self):
debug_start("jit-summary")
if have_debug_prints():
self._print_stats()
debug_stop("jit-summary")
def _print_stats(self):
cnt = self.counters
tim = self.times
calls = self.calls
self._print_line_time("Tracing", cnt[Counters.TRACING],
tim[Counters.TRACING])
self._print_line_time("Backend", cnt[Counters.BACKEND],
tim[Counters.BACKEND])
line = "TOTAL: \t\t%f" % (self.tk - self.starttime, )
debug_print(line)
self._print_intline("ops", cnt[Counters.OPS])
self._print_intline("recorded ops", cnt[Counters.RECORDED_OPS])
self._print_intline(" calls", calls)
self._print_intline("guards", cnt[Counters.GUARDS])
self._print_intline("opt ops", cnt[Counters.OPT_OPS])
self._print_intline("opt guards", cnt[Counters.OPT_GUARDS])
self._print_intline("opt guards shared", cnt[Counters.OPT_GUARDS_SHARED])
self._print_intline("forcings", cnt[Counters.OPT_FORCINGS])
self._print_intline("abort: trace too long",
cnt[Counters.ABORT_TOO_LONG])
self._print_intline("abort: compiling", cnt[Counters.ABORT_BRIDGE])
self._print_intline("abort: vable escape", cnt[Counters.ABORT_ESCAPE])
self._print_intline("abort: bad loop", cnt[Counters.ABORT_BAD_LOOP])
self._print_intline("abort: force quasi-immut",
cnt[Counters.ABORT_FORCE_QUASIIMMUT])
self._print_intline("nvirtuals", cnt[Counters.NVIRTUALS])
self._print_intline("nvholes", cnt[Counters.NVHOLES])
self._print_intline("nvreused", cnt[Counters.NVREUSED])
self._print_intline("vecopt tried", cnt[Counters.OPT_VECTORIZE_TRY])
self._print_intline("vecopt success", cnt[Counters.OPT_VECTORIZED])
cpu = self.cpu
if cpu is not None: # for some tests
self._print_intline("Total # of loops",
cpu.tracker.total_compiled_loops)
self._print_intline("Total # of bridges",
cpu.tracker.total_compiled_bridges)
self._print_intline("Freed # of loops",
cpu.tracker.total_freed_loops)
self._print_intline("Freed # of bridges",
cpu.tracker.total_freed_bridges)
def _print_line_time(self, string, i, tim):
final = "%s:%s\t%d\t%f" % (string, " " * max(0, 13-len(string)), i, tim)
debug_print(final)
def _print_intline(self, string, i):
final = string + ':' + " " * max(0, 16-len(string))
final += '\t' + str(i)
debug_print(final)
class BrokenProfilerData(JitException):
pass
|
