A new internal API is added to check is tsc to nanoseconds conversion is
supported:
bool trace_tsc2nsec_is_supported(void);
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
tracecmd/include/trace-local.h | 2 ++
tracecmd/trace-record.c | 5 +++++
2 files changed, 7 insertions(+)
diff --git a/tracecmd/include/trace-local.h b/tracecmd/include/trace-local.h
index 7773e9fc..6a4c5f51 100644
--- a/tracecmd/include/trace-local.h
+++ b/tracecmd/include/trace-local.h
@@ -341,4 +341,6 @@ static inline bool is_digits(const char *s)
return true;
}
+bool trace_tsc2nsec_is_supported(void);
+
#endif /* __TRACE_LOCAL_H */
diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index 5e69cf48..5c9d800f 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -5827,6 +5827,11 @@ static int get_tsc_nsec(int *shift, int *mult)
}
#endif
+bool trace_tsc2nsec_is_supported(void)
+{
+ return (get_tsc_nsec(NULL, NULL) == 0);
+}
+
static void parse_record_options(int argc,
char **argv,
enum trace_cmd curr_cmd,
--
2.30.2
|