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| author | Tom Zanussi <tom.zanussi@linux.intel.com> | 2018-01-15 20:52:07 -0600 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-03-10 16:06:03 -0500 |
| commit | d71bd34d78bb78b9e6f8a0be3952d5fa470a260a (patch) | |
| tree | c2e65a3c8c4af8e92bd6b48c82a789d8f9eefbf9 /kernel/trace | |
| parent | 033cbceefa9d439a15f59263327812dfabfbdc6c (diff) | |
| download | linux-d71bd34d78bb78b9e6f8a0be3952d5fa470a260a.tar.gz linux-d71bd34d78bb78b9e6f8a0be3952d5fa470a260a.tar.xz | |
tracing: Make tracing_set_clock() non-static
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.
Link: http://lkml.kernel.org/r/6d1c53e9ee2163f54e1849f5376573f54f0e6009.1516069914.git.tom.zanussi@linux.intel.com
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace.h | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 68f8702af9fb..551a7cd0d705 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6214,7 +6214,7 @@ 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 99b7ee7ed127..9de3e2a2f042 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -289,6 +289,7 @@ extern int trace_array_get(struct trace_array *tr); 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); |