Re: [PATCH v2] eal/linux: fix fbarray name with multiple secondary processes

[Stephen Hemminger <stephen@networkplumber.org>]

On Fri, 15 Nov 2024 15:50:08 +0800
Congjie Zhou <zcjie0802@qq.com> wrote:

> diff --git a/lib/eal/linux/eal_memalloc.c b/lib/eal/linux/eal_memalloc.c
> index e354efc..367d401 100644
> --- a/lib/eal/linux/eal_memalloc.c
> +++ b/lib/eal/linux/eal_memalloc.c
> @@ -16,6 +16,7 @@
>  #include <fcntl.h>
>  #include <signal.h>
>  #include <setjmp.h>
> +#include <inttypes.h>
>  #ifdef F_ADD_SEALS /* if file sealing is supported, so is memfd */
>  #include <linux/memfd.h>
>  #define MEMFD_SUPPORTED
> @@ -1447,8 +1448,8 @@ secondary_msl_create_walk(const struct rte_memseg_list *msl,
>  	local_msl = &local_memsegs[msl_idx];
>  
>  	/* create distinct fbarrays for each secondary */
> -	snprintf(name, RTE_FBARRAY_NAME_LEN, "%s_%i",
> -		primary_msl->memseg_arr.name, getpid());
> +	snprintf(name, RTE_FBARRAY_NAME_LEN, "%s_%i_%"PRIx64,
> +		primary_msl->memseg_arr.name, getpid(), rte_get_tsc_cycles());
>  
>  	ret = rte_fbarray_init(&local_msl->memseg_arr, name,
>  		primary_msl->memseg_arr.len,


Need to include <rte_cycles.h> to get the prototype rte_get_tsc_cycles()