mirror of
https://github.com/php-win-ext/grpc.git
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469 lines
17 KiB
Python
Executable File
469 lines
17 KiB
Python
Executable File
#!/usr/bin/env python2.7
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# Copyright 2017 gRPC authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import collections
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import ctypes
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import math
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import sys
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import yaml
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import json
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with open('src/core/lib/debug/stats_data.yaml') as f:
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attrs = yaml.load(f.read())
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REQUIRED_FIELDS = ['name', 'doc']
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def make_type(name, fields):
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return (collections.namedtuple(name, ' '.join(
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list(set(REQUIRED_FIELDS + fields)))), [])
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def c_str(s, encoding='ascii'):
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if isinstance(s, unicode):
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s = s.encode(encoding)
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result = ''
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for c in s:
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if not (32 <= ord(c) < 127) or c in ('\\', '"'):
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result += '\\%03o' % ord(c)
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else:
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result += c
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return '"' + result + '"'
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types = (
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make_type('Counter', []),
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make_type('Histogram', ['max', 'buckets']),
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)
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inst_map = dict((t[0].__name__, t[1]) for t in types)
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stats = []
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for attr in attrs:
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found = False
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for t, lst in types:
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t_name = t.__name__.lower()
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if t_name in attr:
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name = attr[t_name]
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del attr[t_name]
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lst.append(t(name=name, **attr))
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found = True
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break
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assert found, "Bad decl: %s" % attr
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def dbl2u64(d):
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return ctypes.c_ulonglong.from_buffer(ctypes.c_double(d)).value
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def shift_works_until(mapped_bounds, shift_bits):
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for i, ab in enumerate(zip(mapped_bounds, mapped_bounds[1:])):
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a, b = ab
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if (a >> shift_bits) == (b >> shift_bits):
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return i
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return len(mapped_bounds)
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def find_ideal_shift(mapped_bounds, max_size):
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best = None
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for shift_bits in reversed(range(0, 64)):
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n = shift_works_until(mapped_bounds, shift_bits)
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if n == 0: continue
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table_size = mapped_bounds[n - 1] >> shift_bits
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if table_size > max_size: continue
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if table_size > 65535: continue
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if best is None:
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best = (shift_bits, n, table_size)
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elif best[1] < n:
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best = (shift_bits, n, table_size)
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print best
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return best
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def gen_map_table(mapped_bounds, shift_data):
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tbl = []
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cur = 0
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print mapped_bounds
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mapped_bounds = [x >> shift_data[0] for x in mapped_bounds]
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print mapped_bounds
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for i in range(0, mapped_bounds[shift_data[1] - 1]):
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while i > mapped_bounds[cur]:
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cur += 1
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tbl.append(cur)
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return tbl
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static_tables = []
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def decl_static_table(values, type):
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global static_tables
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v = (type, values)
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for i, vp in enumerate(static_tables):
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if v == vp: return i
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print "ADD TABLE: %s %r" % (type, values)
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r = len(static_tables)
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static_tables.append(v)
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return r
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def type_for_uint_table(table):
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mv = max(table)
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if mv < 2**8:
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return 'uint8_t'
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elif mv < 2**16:
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return 'uint16_t'
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elif mv < 2**32:
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return 'uint32_t'
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else:
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return 'uint64_t'
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def gen_bucket_code(histogram):
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bounds = [0, 1]
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done_trivial = False
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done_unmapped = False
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first_nontrivial = None
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first_unmapped = None
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while len(bounds) < histogram.buckets + 1:
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if len(bounds) == histogram.buckets:
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nextb = int(histogram.max)
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else:
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mul = math.pow(
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float(histogram.max) / bounds[-1],
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1.0 / (histogram.buckets + 1 - len(bounds)))
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nextb = int(math.ceil(bounds[-1] * mul))
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if nextb <= bounds[-1] + 1:
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nextb = bounds[-1] + 1
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elif not done_trivial:
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done_trivial = True
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first_nontrivial = len(bounds)
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bounds.append(nextb)
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bounds_idx = decl_static_table(bounds, 'int')
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if done_trivial:
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first_nontrivial_code = dbl2u64(first_nontrivial)
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code_bounds = [dbl2u64(x) - first_nontrivial_code for x in bounds]
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shift_data = find_ideal_shift(code_bounds[first_nontrivial:],
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256 * histogram.buckets)
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#print first_nontrivial, shift_data, bounds
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#if shift_data is not None: print [hex(x >> shift_data[0]) for x in code_bounds[first_nontrivial:]]
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code = 'value = GPR_CLAMP(value, 0, %d);\n' % histogram.max
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map_table = gen_map_table(code_bounds[first_nontrivial:], shift_data)
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if first_nontrivial is None:
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code += ('GRPC_STATS_INC_HISTOGRAM(GRPC_STATS_HISTOGRAM_%s, value);\n' %
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histogram.name.upper())
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else:
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code += 'if (value < %d) {\n' % first_nontrivial
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code += ('GRPC_STATS_INC_HISTOGRAM(GRPC_STATS_HISTOGRAM_%s, value);\n' %
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histogram.name.upper())
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code += 'return;\n'
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code += '}'
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first_nontrivial_code = dbl2u64(first_nontrivial)
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if shift_data is not None:
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map_table_idx = decl_static_table(map_table,
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type_for_uint_table(map_table))
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code += 'union { double dbl; uint64_t uint; } _val, _bkt;\n'
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code += '_val.dbl = value;\n'
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code += 'if (_val.uint < %dull) {\n' % (
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(map_table[-1] << shift_data[0]) + first_nontrivial_code)
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code += 'int bucket = '
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code += 'grpc_stats_table_%d[((_val.uint - %dull) >> %d)] + %d;\n' % (
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map_table_idx, first_nontrivial_code, shift_data[0],
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first_nontrivial)
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code += '_bkt.dbl = grpc_stats_table_%d[bucket];\n' % bounds_idx
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code += 'bucket -= (_val.uint < _bkt.uint);\n'
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code += 'GRPC_STATS_INC_HISTOGRAM(GRPC_STATS_HISTOGRAM_%s, bucket);\n' % histogram.name.upper(
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)
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code += 'return;\n'
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code += '}\n'
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code += 'GRPC_STATS_INC_HISTOGRAM(GRPC_STATS_HISTOGRAM_%s, ' % histogram.name.upper(
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)
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code += 'grpc_stats_histo_find_bucket_slow(value, grpc_stats_table_%d, %d));\n' % (
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bounds_idx, histogram.buckets)
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return (code, bounds_idx)
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# utility: print a big comment block into a set of files
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def put_banner(files, banner):
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for f in files:
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print >> f, '/*'
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for line in banner:
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print >> f, ' * %s' % line
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print >> f, ' */'
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print >> f
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with open('src/core/lib/debug/stats_data.h', 'w') as H:
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# copy-paste copyright notice from this file
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with open(sys.argv[0]) as my_source:
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copyright = []
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for line in my_source:
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if line[0] != '#': break
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for line in my_source:
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if line[0] == '#':
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copyright.append(line)
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break
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for line in my_source:
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if line[0] != '#':
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break
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copyright.append(line)
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put_banner([H], [line[2:].rstrip() for line in copyright])
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put_banner(
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[H],
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["Automatically generated by tools/codegen/core/gen_stats_data.py"])
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print >> H, "#ifndef GRPC_CORE_LIB_DEBUG_STATS_DATA_H"
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print >> H, "#define GRPC_CORE_LIB_DEBUG_STATS_DATA_H"
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print >> H
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print >> H, "#include <grpc/support/port_platform.h>"
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print >> H
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print >> H, "#include <inttypes.h>"
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print >> H, "#include \"src/core/lib/iomgr/exec_ctx.h\""
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print >> H
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for typename, instances in sorted(inst_map.items()):
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print >> H, "typedef enum {"
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for inst in instances:
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print >> H, " GRPC_STATS_%s_%s," % (typename.upper(),
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inst.name.upper())
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print >> H, " GRPC_STATS_%s_COUNT" % (typename.upper())
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print >> H, "} grpc_stats_%ss;" % (typename.lower())
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print >> H, "extern const char *grpc_stats_%s_name[GRPC_STATS_%s_COUNT];" % (
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typename.lower(), typename.upper())
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print >> H, "extern const char *grpc_stats_%s_doc[GRPC_STATS_%s_COUNT];" % (
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typename.lower(), typename.upper())
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histo_start = []
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histo_buckets = []
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histo_bucket_boundaries = []
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print >> H, "typedef enum {"
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first_slot = 0
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for histogram in inst_map['Histogram']:
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histo_start.append(first_slot)
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histo_buckets.append(histogram.buckets)
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print >> H, " GRPC_STATS_HISTOGRAM_%s_FIRST_SLOT = %d," % (
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histogram.name.upper(), first_slot)
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print >> H, " GRPC_STATS_HISTOGRAM_%s_BUCKETS = %d," % (
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histogram.name.upper(), histogram.buckets)
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first_slot += histogram.buckets
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print >> H, " GRPC_STATS_HISTOGRAM_BUCKETS = %d" % first_slot
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print >> H, "} grpc_stats_histogram_constants;"
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print >> H, "#if defined(GRPC_COLLECT_STATS) || !defined(NDEBUG)"
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for ctr in inst_map['Counter']:
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print >> H, ("#define GRPC_STATS_INC_%s() " +
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"GRPC_STATS_INC_COUNTER(GRPC_STATS_COUNTER_%s)") % (
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ctr.name.upper(), ctr.name.upper())
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for histogram in inst_map['Histogram']:
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print >> H, "#define GRPC_STATS_INC_%s(value) grpc_stats_inc_%s( (int)(value))" % (
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histogram.name.upper(), histogram.name.lower())
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print >> H, "void grpc_stats_inc_%s(int x);" % histogram.name.lower()
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print >> H, "#else"
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for ctr in inst_map['Counter']:
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print >> H, ("#define GRPC_STATS_INC_%s() ") % (ctr.name.upper())
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for histogram in inst_map['Histogram']:
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print >> H, "#define GRPC_STATS_INC_%s(value)" % (
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histogram.name.upper())
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print >> H, "#endif /* defined(GRPC_COLLECT_STATS) || !defined(NDEBUG) */"
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for i, tbl in enumerate(static_tables):
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print >> H, "extern const %s grpc_stats_table_%d[%d];" % (tbl[0], i,
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len(tbl[1]))
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print >> H, "extern const int grpc_stats_histo_buckets[%d];" % len(
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inst_map['Histogram'])
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print >> H, "extern const int grpc_stats_histo_start[%d];" % len(
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inst_map['Histogram'])
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print >> H, "extern const int *const grpc_stats_histo_bucket_boundaries[%d];" % len(
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inst_map['Histogram'])
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print >> H, "extern void (*const grpc_stats_inc_histogram[%d])(int x);" % len(
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inst_map['Histogram'])
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print >> H
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print >> H, "#endif /* GRPC_CORE_LIB_DEBUG_STATS_DATA_H */"
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with open('src/core/lib/debug/stats_data.cc', 'w') as C:
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# copy-paste copyright notice from this file
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with open(sys.argv[0]) as my_source:
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copyright = []
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for line in my_source:
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if line[0] != '#': break
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for line in my_source:
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if line[0] == '#':
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copyright.append(line)
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break
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for line in my_source:
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if line[0] != '#':
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break
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copyright.append(line)
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put_banner([C], [line[2:].rstrip() for line in copyright])
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put_banner(
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[C],
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["Automatically generated by tools/codegen/core/gen_stats_data.py"])
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print >> C, "#include <grpc/support/port_platform.h>"
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print >> C
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print >> C, "#include \"src/core/lib/debug/stats.h\""
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print >> C, "#include \"src/core/lib/debug/stats_data.h\""
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print >> C, "#include \"src/core/lib/gpr/useful.h\""
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print >> C, "#include \"src/core/lib/iomgr/exec_ctx.h\""
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print >> C
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histo_code = []
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for histogram in inst_map['Histogram']:
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code, bounds_idx = gen_bucket_code(histogram)
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histo_bucket_boundaries.append(bounds_idx)
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histo_code.append(code)
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for typename, instances in sorted(inst_map.items()):
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print >> C, "const char *grpc_stats_%s_name[GRPC_STATS_%s_COUNT] = {" % (
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typename.lower(), typename.upper())
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for inst in instances:
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print >> C, " %s," % c_str(inst.name)
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print >> C, "};"
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print >> C, "const char *grpc_stats_%s_doc[GRPC_STATS_%s_COUNT] = {" % (
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typename.lower(), typename.upper())
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for inst in instances:
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print >> C, " %s," % c_str(inst.doc)
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print >> C, "};"
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for i, tbl in enumerate(static_tables):
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print >> C, "const %s grpc_stats_table_%d[%d] = {%s};" % (
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tbl[0], i, len(tbl[1]), ','.join('%s' % x for x in tbl[1]))
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for histogram, code in zip(inst_map['Histogram'], histo_code):
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print >> C, ("void grpc_stats_inc_%s(int value) {%s}") % (
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histogram.name.lower(), code)
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print >> C, "const int grpc_stats_histo_buckets[%d] = {%s};" % (
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len(inst_map['Histogram']), ','.join('%s' % x for x in histo_buckets))
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print >> C, "const int grpc_stats_histo_start[%d] = {%s};" % (
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len(inst_map['Histogram']), ','.join('%s' % x for x in histo_start))
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print >> C, "const int *const grpc_stats_histo_bucket_boundaries[%d] = {%s};" % (
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len(inst_map['Histogram']), ','.join(
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'grpc_stats_table_%d' % x for x in histo_bucket_boundaries))
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print >> C, "void (*const grpc_stats_inc_histogram[%d])(int x) = {%s};" % (
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len(inst_map['Histogram']), ','.join(
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'grpc_stats_inc_%s' % histogram.name.lower()
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for histogram in inst_map['Histogram']))
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# patch qps_test bigquery schema
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RECORD_EXPLICIT_PERCENTILES = [50, 95, 99]
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with open('tools/run_tests/performance/scenario_result_schema.json', 'r') as f:
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qps_schema = json.loads(f.read())
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def FindNamed(js, name):
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for el in js:
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if el['name'] == name:
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return el
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def RemoveCoreFields(js):
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new_fields = []
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for field in js['fields']:
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if not field['name'].startswith('core_'):
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new_fields.append(field)
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js['fields'] = new_fields
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RemoveCoreFields(FindNamed(qps_schema, 'clientStats'))
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RemoveCoreFields(FindNamed(qps_schema, 'serverStats'))
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def AddCoreFields(js):
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for counter in inst_map['Counter']:
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js['fields'].append({
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'name': 'core_%s' % counter.name,
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'type': 'INTEGER',
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'mode': 'NULLABLE'
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})
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for histogram in inst_map['Histogram']:
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js['fields'].append({
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'name': 'core_%s' % histogram.name,
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'type': 'STRING',
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'mode': 'NULLABLE'
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})
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js['fields'].append({
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'name': 'core_%s_bkts' % histogram.name,
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'type': 'STRING',
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'mode': 'NULLABLE'
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})
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for pctl in RECORD_EXPLICIT_PERCENTILES:
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js['fields'].append({
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'name': 'core_%s_%dp' % (histogram.name, pctl),
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'type': 'FLOAT',
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'mode': 'NULLABLE'
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})
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AddCoreFields(FindNamed(qps_schema, 'clientStats'))
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AddCoreFields(FindNamed(qps_schema, 'serverStats'))
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with open('tools/run_tests/performance/scenario_result_schema.json', 'w') as f:
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f.write(json.dumps(qps_schema, indent=2, sort_keys=True))
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# and generate a helper script to massage scenario results into the format we'd
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# like to query
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with open('tools/run_tests/performance/massage_qps_stats.py', 'w') as P:
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with open(sys.argv[0]) as my_source:
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for line in my_source:
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if line[0] != '#': break
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for line in my_source:
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if line[0] == '#':
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print >> P, line.rstrip()
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break
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for line in my_source:
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if line[0] != '#':
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break
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print >> P, line.rstrip()
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print >> P
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print >> P, '# Autogenerated by tools/codegen/core/gen_stats_data.py'
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print >> P
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print >> P, 'import massage_qps_stats_helpers'
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print >> P, 'def massage_qps_stats(scenario_result):'
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print >> P, ' for stats in scenario_result["serverStats"] + scenario_result["clientStats"]:'
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print >> P, ' if "coreStats" in stats:'
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print >> P, ' # Get rid of the "coreStats" element and replace it by statistics'
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print >> P, ' # that correspond to columns in the bigquery schema.'
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print >> P, ' core_stats = stats["coreStats"]'
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print >> P, ' del stats["coreStats"]'
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for counter in inst_map['Counter']:
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print >> P, ' stats["core_%s"] = massage_qps_stats_helpers.counter(core_stats, "%s")' % (
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|
counter.name, counter.name)
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for i, histogram in enumerate(inst_map['Histogram']):
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print >> P, ' h = massage_qps_stats_helpers.histogram(core_stats, "%s")' % histogram.name
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|
print >> P, ' stats["core_%s"] = ",".join("%%f" %% x for x in h.buckets)' % histogram.name
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|
print >> P, ' stats["core_%s_bkts"] = ",".join("%%f" %% x for x in h.boundaries)' % histogram.name
|
|
for pctl in RECORD_EXPLICIT_PERCENTILES:
|
|
print >> P, ' stats["core_%s_%dp"] = massage_qps_stats_helpers.percentile(h.buckets, %d, h.boundaries)' % (
|
|
histogram.name, pctl, pctl)
|
|
|
|
with open('src/core/lib/debug/stats_data_bq_schema.sql', 'w') as S:
|
|
columns = []
|
|
for counter in inst_map['Counter']:
|
|
columns.append(('%s_per_iteration' % counter.name, 'FLOAT'))
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|
print >> S, ',\n'.join('%s:%s' % x for x in columns)
|