[dpdk-dev] [PATCH v6 05/10] app/testpmd: add clock_gettime_monotonic

[Ananyev, Konstantin]

> 
> Add clock_gettime_monotonic for testpmd on Windows
> 
> Signed-off-by: Jie Zhou <jizh at microsoft.com>
> Signed-off-by: Jie Zhou <jizh at linux.microsoft.com>
> ---
>  app/test-pmd/config.c | 33 ++++++++++++++++++++++++++++++++-
>  1 file changed, 32 insertions(+), 1 deletion(-)
> 
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
> index ef0b9784d..a5f8fec5b 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -63,6 +63,12 @@
> 
>  #define NS_PER_SEC 1E9
> 
> +#ifdef RTE_EXEC_ENV_WINDOWS
> +#define _clock_gettime_monotonic(cur_time) clock_gettime_monotonic(&cur_time)
> +#else
> +#define _clock_gettime_monotonic(cur_time) clock_gettime(CLOCK_TYPE_ID, &cur_time)
> +#endif
> +
>  static char *flowtype_to_str(uint16_t flow_type);
> 
>  static const struct {
> @@ -170,6 +176,27 @@ print_ethaddr(const char *name, struct rte_ether_addr *eth_addr)
>  	printf("%s%s", name, buf);
>  }
> 
> +#ifdef RTE_EXEC_ENV_WINDOWS

Do we really need to pollute testpmd code with all these ifdefs?
Might be better to move it into a separate .h?

> +static int
> +clock_gettime_monotonic(struct timespec *tp)
> +{
> +	LARGE_INTEGER pf, pc;
> +	LONGLONG nsec;
> +
> +	if (QueryPerformanceFrequency(&pf) == 0)
> +		return -1;
> +
> +	if (QueryPerformanceCounter(&pc) == 0)
> +		return -1;
> +
> +	nsec = pc.QuadPart * NS_PER_SEC / pf.QuadPart;
> +	tp->tv_sec = nsec / NS_PER_SEC;
> +	tp->tv_nsec = nsec - tp->tv_sec * NS_PER_SEC;
> +
> +	return 0;
> +}
> +#endif
> +