1-- 2-- Copyright 2019 The Android Open Source Project 3-- 4-- Licensed under the Apache License, Version 2.0 (the "License"); 5-- you may not use this file except in compliance with the License. 6-- You may obtain a copy of the License at 7-- 8-- https://www.apache.org/licenses/LICENSE-2.0 9-- 10-- Unless required by applicable law or agreed to in writing, software 11-- distributed under the License is distributed on an "AS IS" BASIS, 12-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13-- See the License for the specific language governing permissions and 14-- limitations under the License. 15-- 16 17-- Create all the views used to aggregate CPU data. 18-- View with start and end ts for each cpu frequency, per cpu. 19DROP VIEW IF EXISTS cpu_freq_view; 20CREATE VIEW cpu_freq_view AS 21SELECT 22 cpu, 23 ts, 24 LEAD(ts, 1, (SELECT end_ts from trace_bounds)) 25 OVER (PARTITION by cpu ORDER BY ts) - ts AS dur, 26 CAST(value AS INT) as freq_khz 27FROM counter 28JOIN cpu_counter_track on counter.track_id = cpu_counter_track.id 29WHERE name = 'cpufreq'; 30 31-- View that joins the cpufreq table with the slice table. 32DROP TABLE IF EXISTS cpu_freq_sched_per_thread; 33CREATE VIRTUAL TABLE cpu_freq_sched_per_thread 34USING SPAN_LEFT_JOIN(sched PARTITIONED cpu, cpu_freq_view PARTITIONED cpu); 35