Function report |
Source Code:kernel\trace\trace_events.c |
Create Date:2022-07-28 12:21:03 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:For early boot up, the top trace array requires to have* a list of events that can be enabled. This must be done before* the filesystem is set up in order to allow events to be traced* early.
Proto:static __init void __trace_early_add_events(struct trace_array *tr)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct trace_array * | tr |
2897 | If WARN_ON_ONCE(mod) Then Continue |
2900 | ret = Just create a decriptor for early init. A descriptor is required* for enabling events at boot. We want to enable events before* the filesystem is initialized. |
2901 | If ret < 0 Then pr_warn("Could not create early event %s\n", trace_event_name(call)) |
Name | Describe |
---|---|
event_trace_enable |
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