tracing: Add trace_total_entries() / trace_total_entries_cpu()

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These two new exported functions will be used in a future patch by
kdb_ftdump() to quickly skip all but the last few trace entries.

Link: http://lkml.kernel.org/r/20190319171206.97107-2-dianders@chromium.org

Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Douglas Anderson 2019-03-19 10:12:05 -07:00 • committed by Steven Rostedt (VMware)

parent dbfe67334a

commit ecffc8a8c7

2 changed files with 53 additions and 15 deletions

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65

kernel/trace/trace.c

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3

kernel/trace/trace.h

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