On Mon, 29 Mar 2021 15:58:18 +0300
"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@xxxxxxxxx> wrote:
> 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);
Return is not a function, no need for the external parenthesis.
-- Steve
> +}
> +
> static void parse_record_options(int argc,
> char **argv,
> enum trace_cmd curr_cmd,
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