static int dpdk_helper_stats_count_get(dpdk_helper_ctx_t *phc) {
uint8_t ports = dpdk_helper_eth_dev_count();
if (ports == 0)
return -ENODEV;
dpdk_stats_ctx_t *ctx = DPDK_STATS_CTX_GET(phc);
ctx->ports_count = ports;
int len = 0;
int stats_count = 0;
for (int i = 0; i < ports; i++) {
if (!(ctx->config.enabled_port_mask & (1 << i)))
continue;
#if RTE_VERSION >= RTE_VERSION_16_07
len = rte_eth_xstats_get_names(i, NULL, 0);
#else
len = rte_eth_xstats_get(i, NULL, 0);
#endif
if (len < 0) {
DPDK_CHILD_LOG("%s: Cannot get stats count\n", DPDK_STATS_PLUGIN);
return -1;
}
ctx->port_stats_count[i] = len;
stats_count += len;
}
DPDK_CHILD_LOG("%s:%s:%d stats_count=%d\n", DPDK_STATS_PLUGIN, __FUNCTION__,
__LINE__, stats_count);
return stats_count;
}
void
nic_xstats_display(struct cmdline *cl, portid_t port_id, int option)
{
struct rte_eth_xstats *xstats;
int len, ret, i;
len = rte_eth_xstats_get(port_id, NULL, 0);
if (len < 0) {
cmdline_printf(cl, "Cannot get xstats count\n");
return;
}
xstats = malloc(sizeof(xstats[0]) * len);
if (xstats == NULL) {
cmdline_printf(cl, "Cannot allocate memory for xstats\n");
return;
}
ret = rte_eth_xstats_get(port_id, xstats, len);
if (ret < 0 || ret > len) {
cmdline_printf(cl, "Cannot get xstats\n");
free(xstats);
return;
}
if (option) {
cmdline_printf(cl, "{\"portid\": %d, ", port_id);
for (i = 0; i < len; i++)
cmdline_printf(cl, "%s\"%s\": %" PRIu64,
(i != 0) ? ", " : "", xstats[i].name,
xstats[i].value);
cmdline_printf(cl, "}\n");
} else {
cmdline_printf(cl,
"===== NIC extended statistics for port %-2d\n",
port_id);
for (i = 0; i < len; i++)
cmdline_printf(cl, "%s: %" PRIu64 "\n", xstats[i].name,
xstats[i].value);
}
free(xstats);
}
int
rw_piot_get_extended_stats(rw_piot_api_handle_t api_handle,
struct rte_eth_xstats *xstats, unsigned n)
{
rw_piot_device_t *rw_piot_dev = RWPIOT_GET_DEVICE(api_handle);
ASSERT(RWPIOT_VALID_DEVICE(rw_piot_dev));
if (NULL == rw_piot_dev) {
RW_PIOT_LOG(RTE_LOG_ERR, "PIOT Could not find device by handle or invalid input param\n");
return -1;
}
return rte_eth_xstats_get(rw_piot_dev->rte_port_id,
xstats, n);
}
static int dpdk_helper_stats_get(dpdk_helper_ctx_t *phc) {
int len = 0;
int ret = 0;
int stats = 0;
dpdk_stats_ctx_t *ctx = DPDK_STATS_CTX_GET(phc);
/* get stats from DPDK */
for (uint8_t i = 0; i < ctx->ports_count; i++) {
if (!(ctx->config.enabled_port_mask & (1 << i)))
continue;
ctx->port_read_time[i] = cdtime();
/* Store available stats array length for port */
len = ctx->port_stats_count[i];
ret = rte_eth_xstats_get(i, &ctx->xstats[stats], len);
if (ret < 0 || ret > len) {
DPDK_CHILD_LOG(DPDK_STATS_PLUGIN
": Error reading stats (port=%d; len=%d, ret=%d)\n",
i, len, ret);
ctx->port_stats_count[i] = 0;
return -1;
}
#if RTE_VERSION >= RTE_VERSION_16_07
ret = rte_eth_xstats_get_names(i, &ctx->xnames[stats], len);
if (ret < 0 || ret > len) {
DPDK_CHILD_LOG(DPDK_STATS_PLUGIN
": Error reading stat names (port=%d; len=%d ret=%d)\n",
i, len, ret);
ctx->port_stats_count[i] = 0;
return -1;
}
#endif
ctx->port_stats_count[i] = ret;
stats += ctx->port_stats_count[i];
}
assert(stats <= ctx->stats_count);
return 0;
}