[dpdk-dev] [PATCH v5 5/9] app/testpmd: add clock_gettime_monotonic

Tal Shnaiderman talshn at nvidia.com
Sun Apr 18 19:20:42 CEST 2021


> Subject: [dpdk-dev] [PATCH v5 5/9] app/testpmd: add
> clock_gettime_monotonic
> 
> External email: Use caution opening links or attachments
> 
> 
> 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
> +

I think this change should be in EAL:
rte_get_time_monotonic(&cur_time)

Windows implementation in windows\eal_timer.c
Unix implementation in unix\eal_unix_timer.c

>  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
> +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
> +
>  void
>  nic_stats_display(portid_t port_id)
>  {
> @@ -186,6 +213,8 @@ nic_stats_display(portid_t port_id)
> 
>         static const char *nic_stats_border = "########################";
> 
> +       int ret;
> +
>         if (port_id_is_invalid(port_id, ENABLED_WARN)) {
>                 print_valid_ports();
>                 return;
> @@ -202,7 +231,9 @@ nic_stats_display(portid_t port_id)
>                "%-"PRIu64"\n", stats.opackets, stats.oerrors, stats.obytes);
> 
>         diff_ns = 0;
> -       if (clock_gettime(CLOCK_TYPE_ID, &cur_time) == 0) {
> +
> +       ret = _clock_gettime_monotonic(cur_time);
> +       if (ret == 0) {
>                 uint64_t ns;
> 
>                 ns = cur_time.tv_sec * NS_PER_SEC;
> --
> 2.30.0.vfs.0.2



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