[PATCH v4 5/5] ethdev: telemetry xstats support hide zero
Chengwen Feng
fengchengwen at huawei.com
Fri Jan 20 04:34:56 CET 2023
The number of xstats may be large, after the hide zero option is added,
only non-zero values can be displayed.
Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
---
lib/ethdev/rte_ethdev.c | 23 +++++++++++++++++------
1 file changed, 17 insertions(+), 6 deletions(-)
diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index ebcb05b523..a8ba3f2280 100644
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -5870,20 +5870,28 @@ eth_dev_handle_port_xstats(const char *cmd __rte_unused,
{
struct rte_eth_xstat *eth_xstats;
struct rte_eth_xstat_name *xstat_names;
+ char *end_param, *hide_param;
int port_id, num_xstats;
+ int hide_zero = 0;
int i, ret;
- char *end_param;
if (params == NULL || strlen(params) == 0 || !isdigit(*params))
return -1;
port_id = strtoul(params, &end_param, 0);
- if (*end_param != '\0')
- RTE_ETHDEV_LOG(NOTICE,
- "Extra parameters passed to ethdev telemetry command, ignoring\n");
if (!rte_eth_dev_is_valid_port(port_id))
return -1;
+ if (*end_param != '\0') {
+ hide_param = strtok(end_param, ",");
+ if (hide_param == NULL || strlen(hide_param) == 0 || !isdigit(*hide_param))
+ return -EINVAL;
+ hide_zero = strtoul(hide_param, &end_param, 0);
+ if (*end_param != '\0')
+ RTE_ETHDEV_LOG(NOTICE,
+ "Extra parameters passed to ethdev telemetry command, ignoring\n");
+ }
+
num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
if (num_xstats < 0)
return -1;
@@ -5908,9 +5916,12 @@ eth_dev_handle_port_xstats(const char *cmd __rte_unused,
}
rte_tel_data_start_dict(d);
- for (i = 0; i < num_xstats; i++)
+ for (i = 0; i < num_xstats; i++) {
+ if (hide_zero != 0 && eth_xstats[i].value == 0)
+ continue;
rte_tel_data_add_dict_u64(d, xstat_names[i].name,
eth_xstats[i].value);
+ }
free(eth_xstats);
return 0;
}
@@ -6352,7 +6363,7 @@ RTE_INIT(ethdev_init_telemetry)
rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
"Returns the common stats for a port. Parameters: int port_id");
rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
- "Returns the extended stats for a port. Parameters: int port_id");
+ "Returns the extended stats for a port. Parameters: int port_id, bool hide_zero (Optional, non-zero indicates hide zero xstats)");
rte_telemetry_register_cmd("/ethdev/xstats_reset", eth_dev_handle_port_xstats_reset,
"Reset the extended stats for a port. Parameters: int port_id");
#ifndef RTE_EXEC_ENV_WINDOWS
--
2.17.1
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