[AMD Official Use Only - General]
Hi Euan,
> -----Original Message-----
> From: Euan Bourke <euan.bou...@intel.com>
> Sent: Thursday, December 7, 2023 9:48 PM
> To: dev@dpdk.org
> Cc: Euan Bourke <euan.bou...@intel.com>; Anatoly Burakov
> <anatoly.bura...@intel.com>; David Hunt <david.h...@intel.com>; Tummala,
> Sivaprasad <sivaprasad.tumm...@amd.com>
> Subject: [PATCH v3 8/8] examples/l3fwd-power: update to call arg parser API
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> Update to the l3fwd-power example application to call the arg parser library
> for its
> 'combined core string parser' instead of implementing its own corelist
> parser. The
> default_type passed into the function call is a corelist.
>
> Signed-off-by: Euan Bourke <euan.bou...@intel.com>
> ---
> examples/l3fwd-power/perf_core.c | 51 +++++---------------------------
> 1 file changed, 8 insertions(+), 43 deletions(-)
>
> diff --git a/examples/l3fwd-power/perf_core.c
> b/examples/l3fwd-power/perf_core.c
> index 41ef6d0c9a..f8511e30b3 100644
> --- a/examples/l3fwd-power/perf_core.c
> +++ b/examples/l3fwd-power/perf_core.c
> @@ -12,6 +12,7 @@
> #include <rte_lcore.h>
> #include <rte_power.h>
> #include <rte_string_fns.h>
> +#include <rte_arg_parser.h>
>
> #include "perf_core.h"
> #include "main.h"
> @@ -177,56 +178,20 @@ parse_perf_config(const char *q_arg) int
> parse_perf_core_list(const char *corelist) {
> - int i, idx = 0;
> - unsigned int count = 0;
> - char *end = NULL;
> - int min, max;
> + int count;
> + uint16_t cores[RTE_MAX_LCORE];
>
> if (corelist == NULL) {
> printf("invalid core list\n");
> return -1;
> }
>
> + count = rte_arg_parse_core_string(corelist, cores,
> + RTE_DIM(cores), 1);
Can you replace the magic number with "RTE_ARG_PARSE_TYPE_CORELIST" as default
parse type.
>
> - /* Remove all blank characters ahead and after */
> - while (isblank(*corelist))
> - corelist++;
> - i = strlen(corelist);
> - while ((i > 0) && isblank(corelist[i - 1]))
> - i--;
> + for (int i = 0; i < count; i++)
> + hp_lcores[i] = cores[i];
>
> - /* Get list of cores */
> - min = RTE_MAX_LCORE;
> - do {
> - while (isblank(*corelist))
> - corelist++;
> - if (*corelist == '\0')
> - return -1;
> - errno = 0;
> - idx = strtoul(corelist, &end, 10);
> - if (errno || end == NULL)
> - return -1;
> - while (isblank(*end))
> - end++;
> - if (*end == '-') {
> - min = idx;
> - } else if ((*end == ',') || (*end == '\0')) {
> - max = idx;
> - if (min == RTE_MAX_LCORE)
> - min = idx;
> - for (idx = min; idx <= max; idx++) {
> - hp_lcores[count] = idx;
> - count++;
> - }
> - min = RTE_MAX_LCORE;
> - } else {
> - printf("invalid core list\n");
> - return -1;
> - }
> - corelist = end + 1;
> - } while (*end != '\0');
> -
> - if (count == 0) {
> + if (count == 0 || count == -1) {
> printf("invalid core list\n");
> return -1;
> }
> @@ -234,7 +199,7 @@ parse_perf_core_list(const char *corelist)
> nb_hp_lcores = count;
>
> printf("Configured %d high performance cores\n", nb_hp_lcores);
> - for (i = 0; i < nb_hp_lcores; i++)
> + for (uint16_t i = 0; i < nb_hp_lcores; i++)
> printf("\tHigh performance core %d %d\n",
> i, hp_lcores[i]);
>
> --
> 2.34.1
