Allow tracing code outside of trace.c to access tracing_set_clock().
Some applications may require a particular clock in order to function
properly, such as latency calculations.
Also, add an accessor returning the current clock string.
Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
---
kernel/trace/trace.c | 2 +-
kernel/trace/trace.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d40839d..ecdf456 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6207,7 +6207,7 @@ static int tracing_clock_show(struct seq_file *m, void *v)
return 0;
}
-static int tracing_set_clock(struct trace_array *tr, const char *clockstr)
+int tracing_set_clock(struct trace_array *tr, const char *clockstr)
{
int i;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 7b78762..1f3443a 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -288,6 +288,7 @@ enum {
extern void trace_array_put(struct trace_array *tr);
extern int tracing_set_time_stamp_abs(struct trace_array *tr, bool abs);
+extern int tracing_set_clock(struct trace_array *tr, const char *clockstr);
extern bool trace_clock_in_ns(struct trace_array *tr);
--
1.9.3
--
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