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import py
from rpython.jit.metainterp.warmspot import ll_meta_interp
from rpython.rlib.jit import JitDriver
from rpython.jit.backend.llgraph import runner
from rpython.jit.metainterp.jitprof import Profiler, JITPROF_LINES
from rpython.jit.tool.jitoutput import parse_prof
from rpython.tool.logparser import parse_log, extract_category
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.LLGraphCPU,
ProfilerClass=Profiler)
finally:
out, err = cap.reset()
log = parse_log(err.splitlines(True))
err_sections = list(extract_category(log, 'jit-summary'))
[err1] = err_sections # there should be exactly one jit-summary
assert err1.count("\n") == JITPROF_LINES
info = parse_prof(err1)
# assert did not crash
# asserts below are a bit delicate, possibly they might be deleted
assert info.tracing_no == 1
assert info.backend_no == 1
assert info.ops.total == 2
assert info.recorded_ops.total == 2
assert info.recorded_ops.calls == 0
assert info.guards == 2
assert info.opt_ops == 11
assert info.opt_guards == 2
assert info.forcings == 0
DATA = '''Tracing: 1 0.006992
Backend: 1 0.000525
TOTAL: 0.025532
ops: 2
heapcached ops: 111
recorded ops: 6
calls: 3
guards: 1
opt ops: 6
opt guards: 1
opt guards shared: 1
forcings: 1
abort: trace too long: 10
abort: compiling: 11
abort: vable escape: 12
abort: bad loop: 135
abort: force quasi-immut: 3
abort: segmenting trace: 0
virtualizables forced: 1123
nvirtuals: 13
nvholes: 14
nvreused: 15
vecopt tried: 12
vecopt success: 4
Total # of loops: 100
Total # of bridges: 300
Freed # of loops: 99
Freed # of bridges: 299
'''
def test_parse():
info = parse_prof(DATA)
assert info.tracing_no == 1
assert info.tracing_time == 0.006992
assert info.backend_no == 1
assert info.backend_time == 0.000525
assert info.ops.total == 2
assert info.heapcached_ops == 111
assert info.recorded_ops.total == 6
assert info.recorded_ops.calls == 3
assert info.guards == 1
assert info.opt_ops == 6
assert info.opt_guards == 1
assert info.forcings == 1
assert info.abort.trace_too_long == 10
assert info.abort.compiling == 11
assert info.abort.vable_escape == 12
assert info.abort.bad_loop == 135
assert info.abort.force_quasiimmut == 3
assert info.virtualizables_forced == 1123
assert info.nvirtuals == 13
assert info.nvholes == 14
assert info.nvreused == 15
assert info.vecopt_tried == 12
assert info.vecopt_success == 4
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