64 lines
2.2 KiB
Rust
64 lines
2.2 KiB
Rust
/*
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* Copyright 2021 The Android Open Source Project
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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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*/
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//! Timeouts for common situations, with support for longer timeouts when using nested
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//! virtualization.
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use anyhow::Result;
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use rustutils::system_properties;
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use std::time::Duration;
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/// Holder for the various timeouts we use.
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#[derive(Debug, Copy, Clone)]
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pub struct Timeouts {
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/// Total time that odrefresh may take to perform compilation
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pub odrefresh_max_execution_time: Duration,
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/// Time allowed for the CompOS VM to start up and become ready.
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pub vm_max_time_to_ready: Duration,
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}
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/// Whether the current platform requires extra time for operations inside a VM.
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pub fn need_extra_time() -> Result<bool> {
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// Nested virtualization is slow. Check if we are running on vsoc as a proxy for this.
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if let Some(value) = system_properties::read("ro.build.product")? {
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Ok(value == "vsoc_x86_64" || value == "vsoc_x86")
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} else {
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Ok(false)
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}
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}
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/// Return the timeouts that are appropriate on the current platform.
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pub fn timeouts() -> Result<&'static Timeouts> {
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if need_extra_time()? {
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Ok(&EXTENDED_TIMEOUTS)
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} else {
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Ok(&NORMAL_TIMEOUTS)
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}
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}
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/// The timeouts that we use normally.
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pub const NORMAL_TIMEOUTS: Timeouts = Timeouts {
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// Note: the source of truth for these odrefresh timeouts is art/odrefresh/odr_config.h.
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odrefresh_max_execution_time: Duration::from_secs(300),
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vm_max_time_to_ready: Duration::from_secs(15),
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};
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/// The timeouts that we use when need_extra_time() returns true.
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pub const EXTENDED_TIMEOUTS: Timeouts = Timeouts {
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odrefresh_max_execution_time: Duration::from_secs(480),
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vm_max_time_to_ready: Duration::from_secs(120),
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};
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