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14-Jun-2017 |
Joel Fernandes <joelaf@google.com> |
trappy: Handle the case for special events injected with tracing_mark_write
Certain fake events can be injected using tracing_mark_write and should be
classified into their own event classes than tracing_mark_write. One way to
handle this is to use tracing_mark_write only as a backup. For this reason lets
introduced the concept of backup event classes and classify TracingMarkWrite as
that.
This case normally doesn't happen because dynamic events are inserted into the
beginning of the event list from what I've seen. Since tracing_mark_write is a
built-in event, and not dynamic, its always at after and so is less preferred.
However we should protect for the future case where there might be a built-in
which happens to be after TrackingMarkWrite class in the list, so lets handle
it now.
Signed-off-by: Joel Fernandes <joelaf@google.com>
Reviewed-by: KP Singh <kpsingh@google.com>
/external/trappy/trappy/tracing_mark_write.py
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