diff options
| author | Douglas Anderson <dianders@chromium.org> | 2019-03-19 10:12:05 -0700 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-05-02 21:32:31 -0400 |
| commit | ecffc8a8c7301f6f3c731ba23e38cd049a046416 (patch) | |
| tree | 3d15699fc8763debab80bd515a764e22862577d5 /kernel/trace/trace.h | |
| parent | dbfe67334a1767bcb7be8b50bd237b22b272ef23 (diff) | |
tracing: Add trace_total_entries() / trace_total_entries_cpu()
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>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index da00a3d508c1..33f14b9e78b7 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -721,6 +721,9 @@ void trace_init_global_iter(struct trace_iterator *iter); void tracing_iter_reset(struct trace_iterator *iter, int cpu); +unsigned long trace_total_entries_cpu(struct trace_array *tr, int cpu); +unsigned long trace_total_entries(struct trace_array *tr); + void trace_function(struct trace_array *tr, unsigned long ip, unsigned long parent_ip, |