1-- 2-- Copyright 2024 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 16INCLUDE PERFETTO MODULE counters.intervals; 17 18-- Counter information for each idle state change for each CPU. Finds each time 19-- region where a CPU idle state is constant. 20CREATE PERFETTO TABLE cpu_idle_counters ( 21 -- Counter id. 22 id LONG, 23 -- Joinable with 'counter_track.id'. 24 track_id JOINID(track.id), 25 -- Starting timestamp of the counter. 26 ts TIMESTAMP, 27 -- Duration in which the counter is contant and idle state doesn't change. 28 dur DURATION, 29 -- Idle state of the CPU that corresponds to this counter. An idle state of -1 30 -- is defined to be active state for the CPU, and the larger the integer, the 31 -- deeper the idle state of the CPU. NULL if not found or undefined. 32 idle LONG, 33 -- CPU that corresponds to this counter. 34 cpu LONG 35) AS 36SELECT 37 count_w_dur.id, 38 count_w_dur.track_id, 39 count_w_dur.ts, 40 count_w_dur.dur, 41 cast_int!(IIF(count_w_dur.value = 4294967295, -1, count_w_dur.value)) AS idle, 42 cct.cpu 43FROM counter_leading_intervals!(( 44 SELECT c.* 45 FROM counter c 46 JOIN cpu_counter_track cct ON cct.id = c.track_id AND cct.name = 'cpuidle' 47)) AS count_w_dur 48JOIN cpu_counter_track AS cct 49 ON track_id = cct.id; 50