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import py
from pypy.jit.metainterp.warmspot import ll_meta_interp
from pypy.rlib.jit import JitDriver, DEBUG_PROFILE
from pypy.jit.backend.llgraph import runner
from pypy.jit.metainterp.jitprof import Profiler, JITPROF_LINES
from pypy.jit.tool.jitoutput import parse_prof
def test_really_run():
""" This test checks whether output of jitprof did not change.
It'll explode when someone touches jitprof.py
"""
mydriver = JitDriver(reds = ['i', 'n'], greens = [])
def f(n):
i = 0
while i < n:
mydriver.can_enter_jit(i=i, n=n)
mydriver.jit_merge_point(i=i, n=n)
i += 1
cap = py.io.StdCaptureFD()
try:
ll_meta_interp(f, [10], CPUClass=runner.LLtypeCPU, type_system='lltype',
ProfilerClass=Profiler, debug_level=DEBUG_PROFILE)
finally:
out, err = cap.reset()
err = "\n".join(err.splitlines()[-JITPROF_LINES:])
print err
assert err.count("\n") == JITPROF_LINES - 1
info = parse_prof(err)
# assert did not crash
# asserts below are a bit delicate, possibly they might be deleted
assert info.tracing_no == 1
assert info.asm_no == 1
assert info.blackhole_no == 1
assert info.backend_no == 1
assert info.ops.total == 2
assert info.ops.calls == 0
assert info.ops.pure_calls == 0
assert info.recorded_ops.total == 2
assert info.recorded_ops.calls == 0
assert info.recorded_ops.pure_calls == 0
assert info.guards == 1
assert info.blackholed_ops.total == 0
assert info.blackholed_ops.pure_calls == 0
assert info.opt_ops == 6
assert info.opt_guards == 1
assert info.forcings == 0
assert info.trace_too_long == 0
assert info.bridge_abort == 0
DATA = '''Tracing: 1 0.006992
Backend: 1 0.000525
Running asm: 1
Blackhole: 1
TOTAL: 0.025532
ops: 2
calls: 1
pure calls: 1
recorded ops: 6
calls: 3
pure calls: 2
guards: 1
blackholed ops: 5
pure calls: 3
opt ops: 6
opt guards: 1
forcings: 1
trace too long: 2
bridge abort: 3
'''
def test_parse():
info = parse_prof(DATA)
assert info.tracing_no == 1
assert info.tracing_time == 0.006992
assert info.asm_no == 1
assert info.blackhole_no == 1
assert info.backend_no == 1
assert info.backend_time == 0.000525
assert info.ops.total == 2
assert info.ops.calls == 1
assert info.ops.pure_calls == 1
assert info.recorded_ops.total == 6
assert info.recorded_ops.calls == 3
assert info.recorded_ops.pure_calls == 2
assert info.guards == 1
assert info.blackholed_ops.total == 5
assert info.blackholed_ops.pure_calls == 3
assert info.opt_ops == 6
assert info.opt_guards == 1
assert info.forcings == 1
assert info.trace_too_long == 2
assert info.bridge_abort == 3
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