diff options
author | Craig Tiller <ctiller@google.com> | 2017-04-18 13:57:38 -0700 |
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committer | Craig Tiller <ctiller@google.com> | 2017-04-18 13:57:38 -0700 |
commit | 25e3c6da76a95bcd35fc675ad8a176060ebd59dc (patch) | |
tree | 5cb66d10bd5e24c11b2801268f1de4cf381664ee /tools | |
parent | c2d9f1e297b7a504412be85ec9840e59bfdb794e (diff) |
Fix EINTR forever
Diffstat (limited to 'tools')
-rwxr-xr-x | tools/profiling/microbenchmarks/bm_diff.py | 91 |
1 files changed, 49 insertions, 42 deletions
diff --git a/tools/profiling/microbenchmarks/bm_diff.py b/tools/profiling/microbenchmarks/bm_diff.py index ba0c225f6c..f1b6ef1ab9 100755 --- a/tools/profiling/microbenchmarks/bm_diff.py +++ b/tools/profiling/microbenchmarks/bm_diff.py @@ -192,52 +192,59 @@ class Benchmark: return [self.final[f] if f in self.final else '' for f in flds] -def read_file(filename): +def eintr_be_gone(fn): + """Run fn until it doesn't stop because of EINTR""" while True: try: - with open(filename) as f: - return f.read() + return fn() except IOError, e: if e.errno != errno.EINTR: raise + def read_json(filename): - return json.loads(read_file(filename)) - -benchmarks = collections.defaultdict(Benchmark) - -for bm in args.benchmarks: - for loop in range(0, args.loops): - js_new_ctr = read_json('%s.counters.new.%d.json' % (bm, loop)) - js_new_opt = read_json('%s.opt.new.%d.json' % (bm, loop)) - js_old_ctr = read_json('%s.counters.old.%d.json' % (bm, loop)) - js_old_opt = read_json('%s.opt.old.%d.json' % (bm, loop)) - - for row in bm_json.expand_json(js_new_ctr, js_new_opt): - print row - name = row['cpp_name'] - if name.endswith('_mean') or name.endswith('_stddev'): continue - benchmarks[name].add_sample(row, True) - for row in bm_json.expand_json(js_old_ctr, js_old_opt): - print row - name = row['cpp_name'] - if name.endswith('_mean') or name.endswith('_stddev'): continue - benchmarks[name].add_sample(row, False) - -really_interesting = set() -for name, bm in benchmarks.items(): - print name - really_interesting.update(bm.process()) -fields = [f for f in args.track if f in really_interesting] - -headers = ['Benchmark'] + fields -rows = [] -for name in sorted(benchmarks.keys()): - if benchmarks[name].skip(): continue - rows.append([name] + benchmarks[name].row(fields)) -if rows: - text = 'Performance differences noted:\n' + tabulate.tabulate(rows, headers=headers, floatfmt='+.2f') -else: - text = 'No significant performance differences' -comment_on_pr.comment_on_pr('```\n%s\n```' % text) -print text + with open(filename) as f: return json.loads(f.read()) + + +def finalize(): + benchmarks = collections.defaultdict(Benchmark) + + for bm in args.benchmarks: + for loop in range(0, args.loops): + js_new_ctr = read_json('%s.counters.new.%d.json' % (bm, loop)) + js_new_opt = read_json('%s.opt.new.%d.json' % (bm, loop)) + js_old_ctr = read_json('%s.counters.old.%d.json' % (bm, loop)) + js_old_opt = read_json('%s.opt.old.%d.json' % (bm, loop)) + + for row in bm_json.expand_json(js_new_ctr, js_new_opt): + print row + name = row['cpp_name'] + if name.endswith('_mean') or name.endswith('_stddev'): continue + benchmarks[name].add_sample(row, True) + for row in bm_json.expand_json(js_old_ctr, js_old_opt): + print row + name = row['cpp_name'] + if name.endswith('_mean') or name.endswith('_stddev'): continue + benchmarks[name].add_sample(row, False) + + really_interesting = set() + for name, bm in benchmarks.items(): + print name + really_interesting.update(bm.process()) + fields = [f for f in args.track if f in really_interesting] + + headers = ['Benchmark'] + fields + rows = [] + for name in sorted(benchmarks.keys()): + if benchmarks[name].skip(): continue + rows.append([name] + benchmarks[name].row(fields)) + if rows: + text = 'Performance differences noted:\n' + tabulate.tabulate(rows, headers=headers, floatfmt='+.2f') + else: + text = 'No significant performance differences' + comment_on_pr.comment_on_pr('```\n%s\n```' % text) + print text + + +eintr_be_gone(finalize) + |