ring-buffer: Consolidate add_timestamp to remove some branches

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Reorganize a little the logic to handle adding the absolute time stamp,
extended and forced time stamps, in such a way to remove a branch or two.
This is just a micro optimization.

Also add before and after time stamps to the rb_event_info structure to
display those values in the rb_check_timestamps() code, if something were to
go wrong.

Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Steven Rostedt (VMware) 2020-06-30 08:59:26 -04:00

parent 75b21c6dfa

commit 58fbc3c632

1 changed files with 73 additions and 66 deletions

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kernel/trace/ring_buffer.c

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