Messages in this thread | | | Subject | Re: [PATCH v3 1/5] ubi: Use the fault injection framework to enhance the fault injection capability | From | Zhihao Cheng <> | Date | Fri, 20 Oct 2023 16:55:33 +0800 |
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在 2023/10/20 14:47, ZhaoLong Wang 写道: > To make debug parameters configurable at run time, use the > fault injection framework to reconstruct the debugfs interface, > and retain the legacy fault injection interface. > > Now, the file emulate_failures and fault_attr files control whether > to enable fault emmulation. > > The file emulate_failures receives a mask that controls type and > process of fault injection. Generally, for ease of use, you can > directly enter a mask with all 1s. > > echo 0xffff > /sys/kernel/debug/ubi/ubi0/emulate_failures > > And you need to configure other fault-injection capabilities for > testing purpose: > > echo 100 > /sys/kernel/debug/ubi/fault_inject/emulate_power_cut/probability > echo 15 > /sys/kernel/debug/ubi/fault_inject/emulate_power_cut/space > echo 2 > /sys/kernel/debug/ubi/fault_inject/emulate_power_cut/verbose > echo -1 > /sys/kernel/debug/ubi/fault_inject/emulate_power_cut/times > > The CONFIG_MTD_UBI_FAULT_INJECTION to enable the Fault Injection is > added to kconfig. > > Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
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