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mempool: add telemetry endpoint

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Add telemetry endpoint for mempool info.

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Reviewed-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Gowrishankar Muthukrishnan 2021-10-22 21:41:42 +05:30 committed by Thomas Monjalon
parent b1094939a5
commit 2f5c4025ab
2 changed files with 85 additions and 1 deletions
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2
lib/mempool/meson.build
View File

@ -20,4 +20,4 @@ headers = files(
'rte_mempool_trace.h',
'rte_mempool_trace_fp.h',
)
deps += ['ring']
deps += ['ring', 'telemetry']

84
lib/mempool/rte_mempool.c
View File

@ -31,6 +31,7 @@
#include <rte_spinlock.h>
#include <rte_tailq.h>
#include <rte_eal_paging.h>
#include <rte_telemetry.h>
#include "rte_mempool.h"
#include "rte_mempool_trace.h"
@ -1483,3 +1484,86 @@ rte_mempool_event_callback_unregister(rte_mempool_event_callback *func,
rte_errno = -ret;
return ret;
}
static void
mempool_list_cb(struct rte_mempool *mp, void *arg)
{
struct rte_tel_data *d = (struct rte_tel_data *)arg;
rte_tel_data_add_array_string(d, mp->name);
}
static int
mempool_handle_list(const char *cmd __rte_unused,
const char *params __rte_unused, struct rte_tel_data *d)
{
rte_tel_data_start_array(d, RTE_TEL_STRING_VAL);
rte_mempool_walk(mempool_list_cb, d);
return 0;
}
struct mempool_info_cb_arg {
char *pool_name;
struct rte_tel_data *d;
};
static void
mempool_info_cb(struct rte_mempool *mp, void *arg)
{
struct mempool_info_cb_arg *info = (struct mempool_info_cb_arg *)arg;
const struct rte_memzone *mz;
if (strncmp(mp->name, info->pool_name, RTE_MEMZONE_NAMESIZE))
return;
rte_tel_data_add_dict_string(info->d, "name", mp->name);
rte_tel_data_add_dict_int(info->d, "pool_id", mp->pool_id);
rte_tel_data_add_dict_int(info->d, "flags", mp->flags);
rte_tel_data_add_dict_int(info->d, "socket_id", mp->socket_id);
rte_tel_data_add_dict_int(info->d, "size", mp->size);
rte_tel_data_add_dict_int(info->d, "cache_size", mp->cache_size);
rte_tel_data_add_dict_int(info->d, "elt_size", mp->elt_size);
rte_tel_data_add_dict_int(info->d, "header_size", mp->header_size);
rte_tel_data_add_dict_int(info->d, "trailer_size", mp->trailer_size);
rte_tel_data_add_dict_int(info->d, "private_data_size",
mp->private_data_size);
rte_tel_data_add_dict_int(info->d, "ops_index", mp->ops_index);
rte_tel_data_add_dict_int(info->d, "populated_size",
mp->populated_size);
mz = mp->mz;
rte_tel_data_add_dict_string(info->d, "mz_name", mz->name);
rte_tel_data_add_dict_int(info->d, "mz_len", mz->len);
rte_tel_data_add_dict_int(info->d, "mz_hugepage_sz",
mz->hugepage_sz);
rte_tel_data_add_dict_int(info->d, "mz_socket_id", mz->socket_id);
rte_tel_data_add_dict_int(info->d, "mz_flags", mz->flags);
}
static int
mempool_handle_info(const char *cmd __rte_unused, const char *params,
struct rte_tel_data *d)
{
struct mempool_info_cb_arg mp_arg;
char name[RTE_MEMZONE_NAMESIZE];
if (!params || strlen(params) == 0)
return -EINVAL;
rte_strlcpy(name, params, RTE_MEMZONE_NAMESIZE);
rte_tel_data_start_dict(d);
mp_arg.pool_name = name;
mp_arg.d = d;
rte_mempool_walk(mempool_info_cb, &mp_arg);
return 0;
}
RTE_INIT(mempool_init_telemetry)
{
rte_telemetry_register_cmd("/mempool/list", mempool_handle_list,
"Returns list of available mempool. Takes no parameters");
rte_telemetry_register_cmd("/mempool/info", mempool_handle_info,
"Returns mempool info. Parameters: pool_name");
}