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 16-- Returns 1 if trace is linux trace and 0 otherwise. 17CREATE PERFETTO FUNCTION _is_linux_trace() 18RETURNS LONG AS 19SELECT 20 count() = 1 21FROM metadata 22WHERE 23 name = 'system_name' AND str_value = 'Linux'; 24