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From: David Marchand <david.marchand@redhat.com>
To: Robin Jarry <rjarry@redhat.com>
Cc: dev@dpdk.org, "Tyler Retzlaff" <roretzla@linux.microsoft.com>,
	"Kevin Laatz" <kevin.laatz@intel.com>,
	"Morten Brørup" <mb@smartsharesystems.com>
Subject: Re: [PATCH v6 1/5] eal: add lcore info in telemetry
Date: Thu, 26 Jan 2023 12:19:33 +0100	[thread overview]
Message-ID: <CAJFAV8zGPOU_gkRtJ2LLqK7xEMsAmQUdeFmG2-N8+DTaRqUT7Q@mail.gmail.com> (raw)
In-Reply-To: <20230119150656.418404-2-rjarry@redhat.com>

On Thu, Jan 19, 2023 at 4:08 PM Robin Jarry <rjarry@redhat.com> wrote:
>
> Report the same information than rte_lcore_dump() in the telemetry
> API into /eal/lcore/list and /eal/lcore/info,ID.
>
> Example:
>
>   --> /eal/lcore/info,3
>   {
>     "/eal/lcore/info": {
>       "lcore_id": 3,
>       "socket": 0,
>       "role": "RTE",
>       "cpuset": [
>         3
>       ]
>     }
>   }
>
> Signed-off-by: Robin Jarry <rjarry@redhat.com>
> Acked-by: Morten Brørup <mb@smartsharesystems.com>
> ---
>
> Notes:
>     v5 -> v6: No change
>
>  lib/eal/common/eal_common_lcore.c | 96 +++++++++++++++++++++++++++++++
>  1 file changed, 96 insertions(+)
>
> diff --git a/lib/eal/common/eal_common_lcore.c b/lib/eal/common/eal_common_lcore.c
> index 06c594b0224f..16548977dce8 100644
> --- a/lib/eal/common/eal_common_lcore.c
> +++ b/lib/eal/common/eal_common_lcore.c
> @@ -10,6 +10,9 @@
>  #include <rte_errno.h>
>  #include <rte_lcore.h>
>  #include <rte_log.h>
> +#ifndef RTE_EXEC_ENV_WINDOWS
> +#include <rte_telemetry.h>
> +#endif
>
>  #include "eal_private.h"
>  #include "eal_thread.h"
> @@ -456,3 +459,96 @@ rte_lcore_dump(FILE *f)
>  {
>         rte_lcore_iterate(lcore_dump_cb, f);
>  }
> +
> +#ifndef RTE_EXEC_ENV_WINDOWS
> +static int
> +lcore_telemetry_id_cb(unsigned int lcore_id, void *arg)
> +{
> +       struct rte_tel_data *d = arg;
> +       return rte_tel_data_add_array_int(d, lcore_id);
> +}
> +
> +static int
> +handle_lcore_list(const char *cmd __rte_unused,
> +                       const char *params __rte_unused,
> +                       struct rte_tel_data *d)

Indent should be single tab.


> +{
> +       int ret = rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
> +       if (ret)
> +               return ret;
> +       return rte_lcore_iterate(lcore_telemetry_id_cb, d);
> +}
> +
> +struct lcore_telemetry_info {
> +       unsigned int lcore_id;
> +       struct rte_tel_data *d;
> +};
> +
> +static int
> +lcore_telemetry_info_cb(unsigned int lcore_id, void *arg)
> +{
> +       struct lcore_telemetry_info *info = arg;
> +       struct rte_config *cfg = rte_eal_get_configuration();
> +       struct rte_tel_data *cpuset;
> +       const char *role;
> +       unsigned int cpu;

When possible, reverse xmas tree please.


> +
> +       if (info->lcore_id != lcore_id)
> +               return 0;
> +
> +       switch (cfg->lcore_role[lcore_id]) {
> +       case ROLE_RTE:
> +               role = "RTE";
> +               break;
> +       case ROLE_SERVICE:
> +               role = "SERVICE";
> +               break;
> +       case ROLE_NON_EAL:
> +               role = "NON_EAL";
> +               break;
> +       default:
> +               role = "UNKNOWN";
> +               break;
> +       }

Please put this translation block in a helper to avoid duplicating
with lcore_dump_cb.


> +       rte_tel_data_start_dict(info->d);
> +       rte_tel_data_add_dict_int(info->d, "lcore_id", lcore_id);
> +       rte_tel_data_add_dict_int(info->d, "socket", rte_lcore_to_socket_id(lcore_id));
> +       rte_tel_data_add_dict_string(info->d, "role", role);
> +       cpuset = rte_tel_data_alloc();
> +       if (!cpuset)
> +               return -ENOMEM;
> +       rte_tel_data_start_array(cpuset, RTE_TEL_INT_VAL);
> +       for (cpu = 0; cpu < CPU_SETSIZE; cpu++)
> +               if (CPU_ISSET(cpu, &lcore_config[lcore_id].cpuset))
> +                       rte_tel_data_add_array_int(cpuset, cpu);
> +       rte_tel_data_add_dict_container(info->d, "cpuset", cpuset, 0);
> +
> +       return 0;
> +}
> +
> +static int
> +handle_lcore_info(const char *cmd __rte_unused, const char *params, struct rte_tel_data *d)
> +{
> +       struct lcore_telemetry_info info = { .d = d };
> +       char *endptr = NULL;

Missing a newline.


> +       if (params == NULL || strlen(params) == 0)
> +               return -EINVAL;
> +       errno = 0;
> +       info.lcore_id = strtoul(params, &endptr, 10);
> +       if (errno)
> +               return -errno;
> +       if (endptr == params)
> +               return -EINVAL;

> +       return rte_lcore_iterate(lcore_telemetry_info_cb, &info);
> +}
> +
> +RTE_INIT(lcore_telemetry)
> +{
> +       rte_telemetry_register_cmd(
> +                       "/eal/lcore/list", handle_lcore_list,
> +                       "List of lcore ids. Takes no parameters");

Please fix indent.


> +       rte_telemetry_register_cmd(
> +                       "/eal/lcore/info", handle_lcore_info,
> +                       "Returns lcore info. Parameters: int lcore_id");
> +}
> +#endif /* !RTE_EXEC_ENV_WINDOWS */
> --
> 2.39.0
>


-- 
David Marchand


  parent reply	other threads:[~2023-01-26 11:19 UTC|newest]

Thread overview: 132+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-23 10:26 [RFC PATCH 0/4] lcore telemetry improvements Robin Jarry
2022-11-23 10:26 ` [RFC PATCH 1/4] eal: add lcore info in telemetry Robin Jarry
2022-11-23 16:44   ` Stephen Hemminger
2022-11-23 23:15     ` Robin Jarry
2022-11-23 10:26 ` [RFC PATCH 2/4] eal: allow applications to report their cpu utilization Robin Jarry
2022-11-23 10:26 ` [RFC PATCH 3/4] testpmd: add show lcores command Robin Jarry
2022-11-23 10:26 ` [RFC PATCH 4/4] testpmd: report lcore usage Robin Jarry
2022-11-28  8:59 ` [PATCH v2 0/4] lcore telemetry improvements Robin Jarry
2022-11-28  8:59   ` [PATCH v2 1/4] eal: add lcore info in telemetry Robin Jarry
2022-11-28  8:59   ` [PATCH v2 2/4] eal: allow applications to report their cpu cycles utilization Robin Jarry
2022-11-28 10:52     ` Morten Brørup
2022-11-29  8:19       ` Robin Jarry
2022-11-28  8:59   ` [PATCH v2 3/4] testpmd: add dump_lcores command Robin Jarry
2022-11-28  8:59   ` [PATCH v2 4/4] testpmd: report lcore usage Robin Jarry
2022-11-29 15:33 ` [PATCH v3 0/4] lcore telemetry improvements Robin Jarry
2022-11-29 15:33   ` [PATCH v3 1/4] eal: add lcore info in telemetry Robin Jarry
2022-11-29 15:33   ` [PATCH v3 2/4] eal: allow applications to report their cpu cycles usage Robin Jarry
2022-11-29 16:10     ` Mattias Rönnblom
2022-12-07 11:00       ` Robin Jarry
2022-12-07 11:21         ` Morten Brørup
2022-11-29 15:33   ` [PATCH v3 3/4] testpmd: add dump_lcores command Robin Jarry
2022-11-29 15:33   ` [PATCH v3 4/4] testpmd: report lcore usage Robin Jarry
2022-11-29 16:14   ` [PATCH v3 0/4] lcore telemetry improvements Mattias Rönnblom
2022-12-07 16:21 ` [PATCH " Robin Jarry
2022-12-07 16:21   ` [PATCH 1/4] eal: add lcore info in telemetry Robin Jarry
2022-12-07 16:21   ` [PATCH 2/4] eal: allow applications to report their cpu usage Robin Jarry
2022-12-13 15:49     ` Robin Jarry
2022-12-13 16:39       ` Morten Brørup
2022-12-13 17:45       ` Tyler Retzlaff
2022-12-07 16:21   ` [PATCH 3/4] testpmd: add dump_lcores command Robin Jarry
2022-12-07 16:21   ` [PATCH 4/4] testpmd: report lcore usage Robin Jarry
2022-12-16 10:21 ` [PATCH v5 0/4] lcore telemetry improvements Robin Jarry
2022-12-16 10:21   ` [PATCH v5 1/4] eal: add lcore info in telemetry Robin Jarry
2023-01-18  9:42     ` Kevin Laatz
2023-01-18 10:21       ` Morten Brørup
2023-01-18 11:03         ` Kevin Laatz
2023-01-18 11:35           ` Morten Brørup
2023-01-18 14:45       ` Robin Jarry
2023-01-18 16:01         ` Kevin Laatz
2023-01-18 16:17           ` Robin Jarry
2022-12-16 10:21   ` [PATCH v5 2/4] eal: allow applications to report their cpu usage Robin Jarry
2022-12-16 10:47     ` Morten Brørup
2023-01-04 10:13       ` Robin Jarry
2023-01-04 10:28         ` Morten Brørup
2022-12-22 12:41     ` Konstantin Ananyev
2023-01-04 10:10       ` Robin Jarry
2023-01-04 10:53         ` Konstantin Ananyev
2023-01-18 16:46           ` Robin Jarry
2023-02-06 20:07             ` Konstantin Ananyev
2023-02-06 20:29               ` Robin Jarry
2023-02-06 20:34                 ` Konstantin Ananyev
2023-02-06 20:39                   ` Robin Jarry
2023-02-06 20:44                     ` Konstantin Ananyev
2023-02-06 20:55                       ` Robin Jarry
2023-02-07 13:12                         ` Konstantin Ananyev
2023-01-04 10:15     ` Robin Jarry
2022-12-16 10:21   ` [PATCH v5 3/4] testpmd: add dump_lcores command Robin Jarry
2022-12-22 12:43     ` Konstantin Ananyev
2022-12-16 10:21   ` [PATCH v5 4/4] testpmd: report lcore usage Robin Jarry
2022-12-22 12:44     ` Konstantin Ananyev
2023-01-18  9:13   ` [PATCH v5 0/4] lcore telemetry improvements Robin Jarry
2023-01-19 15:06 ` [PATCH v6 0/5] " Robin Jarry
2023-01-19 15:06   ` [PATCH v6 1/5] eal: add lcore info in telemetry Robin Jarry
2023-01-19 19:42     ` Kevin Laatz
2023-01-26 11:19     ` David Marchand [this message]
2023-01-19 15:06   ` [PATCH v6 2/5] eal: allow applications to report their cpu usage Robin Jarry
2023-01-19 19:42     ` Kevin Laatz
2023-01-26 11:22     ` David Marchand
2023-01-19 15:06   ` [PATCH v6 3/5] testpmd: add dump_lcores command Robin Jarry
2023-01-19 19:42     ` Kevin Laatz
2023-01-26 11:22     ` David Marchand
2023-01-19 15:06   ` [PATCH v6 4/5] testpmd: report lcore usage Robin Jarry
2023-01-19 19:42     ` Kevin Laatz
2023-01-19 15:06   ` [PATCH v6 5/5] telemetry: add /eal/lcore/usage endpoint Robin Jarry
2023-01-19 16:21     ` Morten Brørup
2023-01-19 16:34       ` Robin Jarry
2023-01-19 16:45         ` Morten Brørup
2023-01-19 19:42     ` Kevin Laatz
2023-02-02 13:43 ` [PATCH v8 0/5] lcore telemetry improvements Robin Jarry
2023-02-02 13:43   ` [PATCH v8 1/5] eal: add lcore info in telemetry Robin Jarry
2023-02-06  3:50     ` fengchengwen
2023-02-06  8:22       ` Robin Jarry
2023-02-06 11:22         ` fengchengwen
2023-02-06 11:46           ` Robin Jarry
2023-02-06 12:08             ` fengchengwen
2023-02-02 13:43   ` [PATCH v8 2/5] eal: report applications lcore usage Robin Jarry
2023-02-06  4:00     ` fengchengwen
2023-02-06  7:36       ` Morten Brørup
2023-02-06  8:21         ` Robin Jarry
2023-02-06 11:18         ` fengchengwen
2023-02-06  8:48     ` David Marchand
2023-02-06  9:03       ` Robin Jarry
2023-02-02 13:43   ` [PATCH v8 3/5] app/testpmd: add dump command for lcores Robin Jarry
2023-02-06  3:34     ` fengchengwen
2023-02-02 13:43   ` [PATCH v8 4/5] app/testpmd: report lcore usage Robin Jarry
2023-02-06  3:31     ` fengchengwen
2023-02-06  8:58     ` David Marchand
2023-02-06  9:08       ` Robin Jarry
2023-02-06 15:06         ` David Marchand
2023-02-02 13:43   ` [PATCH v8 5/5] eal: add lcore usage telemetry endpoint Robin Jarry
2023-02-02 14:00     ` Morten Brørup
2023-02-06  3:27     ` fengchengwen
2023-02-06  8:24       ` Robin Jarry
2023-02-06 11:32         ` fengchengwen
2023-02-05 23:11   ` [PATCH v8 0/5] lcore telemetry improvements Thomas Monjalon
2023-02-07 19:37 ` [PATCH v9 " Robin Jarry
2023-02-07 19:37 ` [PATCH v9 1/5] eal: add lcore info in telemetry Robin Jarry
2023-02-08  2:24   ` lihuisong (C)
2023-02-08 17:04     ` Robin Jarry
2023-02-09  2:18       ` lihuisong (C)
2023-02-09  8:31         ` David Marchand
2023-02-09  8:38           ` David Marchand
2023-02-07 19:37 ` [PATCH v9 2/5] eal: report applications lcore usage Robin Jarry
2023-02-07 19:37 ` [PATCH v9 3/5] app/testpmd: add dump command for lcores Robin Jarry
2023-02-07 19:37 ` [PATCH v9 4/5] app/testpmd: report lcore usage Robin Jarry
2023-02-08  2:59   ` lihuisong (C)
2023-02-07 19:37 ` [PATCH v9 5/5] eal: add lcore usage telemetry endpoint Robin Jarry
2023-02-08  8:45 ` [RESEND PATCH v9 0/5] lcore telemetry improvements Robin Jarry
2023-02-08  8:45   ` [RESEND PATCH v9 1/5] eal: add lcore info in telemetry Robin Jarry
2023-02-08  8:45   ` [RESEND PATCH v9 2/5] eal: report applications lcore usage Robin Jarry
2023-02-08  8:45   ` [RESEND PATCH v9 3/5] app/testpmd: add dump command for lcores Robin Jarry
2023-02-08  8:45   ` [RESEND PATCH v9 4/5] app/testpmd: report lcore usage Robin Jarry
2023-02-09  8:43     ` David Marchand
2023-02-08  8:45   ` [RESEND PATCH v9 5/5] eal: add lcore usage telemetry endpoint Robin Jarry
2023-02-09  8:44   ` [RESEND PATCH v9 0/5] lcore telemetry improvements David Marchand
2023-02-09  9:43 ` [PATCH v10 " Robin Jarry
2023-02-09  9:43   ` [PATCH v10 1/5] eal: add lcore info in telemetry Robin Jarry
2023-02-09  9:43   ` [PATCH v10 2/5] eal: report applications lcore usage Robin Jarry
2023-02-09  9:43   ` [PATCH v10 3/5] app/testpmd: add dump command for lcores Robin Jarry
2023-02-09  9:43   ` [PATCH v10 4/5] app/testpmd: report lcore usage Robin Jarry
2023-02-09  9:43   ` [PATCH v10 5/5] eal: add lcore usage telemetry endpoint Robin Jarry
2023-02-10 13:27   ` [PATCH v10 0/5] lcore telemetry improvements David Marchand

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