On Tue, 2021-02-09 at 08:24 +0200, Adrian Hunter wrote:
> # cat /sys/kernel/debug/tracing/trace
> # tracer: nop
> #
> # entries-in-buffer/entries-written: 3/3 #P:5
> #
> #_-=> irqs-off
> # / _=> need-resched
>
>
> Currently, exception event status can be read from wExceptionEventStatus
> attribute (sysfs file attributes/exception_event_status under the UFS host
> controller device directory). Polling that attribute to track UFS exception
> events is impractical, so add a tracepoint to track exception
Currently, exception event status can be read from wExceptionEventStatus
attribute (sysfs file attributes/exception_event_status under the UFS host
controller device directory). Polling that attribute to track UFS exception
events is impractical, so add a tracepoint to track exception events for
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