| // Copyright 2022 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #[ffx_core::ffx_command()] |
| #[derive(argh::FromArgs, Debug, PartialEq)] |
| #[argh( |
| subcommand, |
| name = "blobfs-checkerboard", |
| description = "Run a power-failure test on blobfs with a checkerboard load pattern" |
| )] |
| pub struct BlobfsCheckerboardCommand { |
| /// the block device on the target device to use for testing. WARNING: the test can (and likely |
| /// will!) format this device. Don't use a main system partition! |
| #[argh(positional)] |
| pub block_device: String, |
| /// a seed to use for all random operations. Tests are NOT deterministic relative to the |
| /// provided seed. The operations will be identical, but because of the non-deterministic |
| /// timing-dependent nature of the tests, the exact time the reboot is triggered in relation to |
| /// the operations is not guaranteed. |
| /// |
| /// One will be randomly generated if not provided. When performing the same test multiple times |
| /// in one run, a new seed will be generated for each run if one was not provided. |
| #[argh(option, short = 's', long = "seed")] |
| pub seed: Option<u64>, |
| /// path to a power relay for cutting the power to a device. Probably the highest-numbered |
| /// /dev/ttyUSB[N]. If in doubt, try removing it and seeing what disappears from /dev. When a |
| /// relay is provided, the harness automatically switches to use hardware reboots. |
| #[argh(option, short = 'r', long = "relay")] |
| pub relay: Option<std::path::PathBuf>, |
| /// run the test N number of times, collecting statistics on the number of failures. |
| #[argh(option, short = 'i', long = "iterations")] |
| pub iterations: Option<u64>, |
| /// run the test until a verification failure is detected, then exit. |
| #[argh(switch, short = 'f', long = "run-until-failure")] |
| pub run_until_failure: bool, |
| } |
