dev/benchmarking/ddl/1_01_table_public_cpu.sql

/*
  Licensed to the Apache Software Foundation (ASF) under one
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  distributed with this work for additional information
  regarding copyright ownership.  The ASF licenses this file
  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

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  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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*/


-- CPU
CREATE TABLE IF NOT EXISTS public.cpu
(
  cpu_id SERIAL PRIMARY KEY
  , cpu_model_name citext NOT NULL UNIQUE
  , cpu_core_count integer NOT NULL
  , cpu_thread_count integer NOT NULL
  , cpu_frequency_max_Hz bigint NOT NULL
  , cpu_frequency_min_Hz bigint NOT NULL
  , cpu_L1d_cache_bytes integer NOT NULL
  , cpu_L1i_cache_bytes integer NOT NULL
  , cpu_L2_cache_bytes integer NOT NULL
  , cpu_L3_cache_bytes integer NOT NULL
);
COMMENT ON TABLE public.cpu
  IS 'CPU model and its specifications.';
COMMENT ON COLUMN public.cpu.cpu_id
  IS 'The primary key for the CPU table. '
     'NOTE: This is a synthetic primary key and not meant to represent a '
     'processor instruction to read capabilities.';
COMMENT ON COLUMN public.cpu.cpu_model_name
  IS 'The output of `sysctl -n machdep.cpu.brand_stringp`.';
COMMENT ON COLUMN public.cpu.cpu_core_count
  IS 'The output of `sysctl -n hw.physicalcpu`.';
COMMENT ON COLUMN public.cpu.cpu_thread_count
  IS 'The output of `sysctl -n hw.logicalcpu`.';
COMMENT ON COLUMN public.cpu.cpu_frequency_max_Hz
  IS 'The output of `sysctl -n hw.cpufrequency_max`.';
COMMENT ON COLUMN public.cpu.cpu_frequency_min_Hz
  IS 'The output of `sysctl -n hw.cpufrequency_min`.';
COMMENT ON COLUMN public.cpu.cpu_L1d_cache_bytes
  IS 'The output of `sysctl -n hw.l1dcachesize`.';
COMMENT ON COLUMN public.cpu.cpu_L1i_cache_bytes
  IS 'The output of `sysctl -n hw.l1icachesize`.';
COMMENT ON COLUMN public.cpu.cpu_L2_cache_bytes
  IS 'The output of `sysctl -n hw.l2cachesize`.';
COMMENT ON COLUMN public.cpu.cpu_L3_cache_bytes
  IS 'The output of `sysctl -n hw.l3cachesize`.';

-- CONSTRAINTS
ALTER TABLE public.cpu
  ADD CONSTRAINT cpu_check_cpu_model_name_length
  CHECK (char_length(cpu_model_name) < 255);