[dpdk-dev] [RFC PATCH v2 3/3] examples/ethtool: add xstats display command
Remy Horton
remy.horton at intel.com
Fri May 6 13:11:14 CEST 2016
Signed-off-by: Remy Horton <remy.horton at intel.com>
---
examples/ethtool/ethtool-app/ethapp.c | 57 +++++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/examples/ethtool/ethtool-app/ethapp.c b/examples/ethtool/ethtool-app/ethapp.c
index 2ed4796..1dc0c35 100644
--- a/examples/ethtool/ethtool-app/ethapp.c
+++ b/examples/ethtool/ethtool-app/ethapp.c
@@ -98,6 +98,8 @@ cmdline_parse_token_string_t pcmd_rxmode_token_cmd =
TOKEN_STRING_INITIALIZER(struct pcmd_int_params, cmd, "rxmode");
cmdline_parse_token_string_t pcmd_portstats_token_cmd =
TOKEN_STRING_INITIALIZER(struct pcmd_int_params, cmd, "portstats");
+cmdline_parse_token_string_t pcmd_xstats_token_cmd =
+ TOKEN_STRING_INITIALIZER(struct pcmd_int_params, cmd, "xstats");
cmdline_parse_token_num_t pcmd_int_token_port =
TOKEN_NUM_INITIALIZER(struct pcmd_int_params, port, UINT16);
@@ -552,6 +554,49 @@ static void pcmd_portstats_callback(__rte_unused void *ptr_params,
printf("Port %i: Error fetching statistics\n", params->port);
}
+static void pcmd_xstats_callback(__rte_unused void *ptr_params,
+ __rte_unused struct cmdline *ctx,
+ __rte_unused void *ptr_data)
+{
+ struct rte_eth_xstats xstats[256];
+ struct pcmd_int_params *params = ptr_params;
+ int cnt_xstats, idx_xstat, idx_name;
+ struct rte_eth_xstats_name *ptr_names;
+
+ if (!rte_eth_dev_is_valid_port(params->port)) {
+ printf("Error: Invalid port number %i\n", params->port);
+ return;
+ }
+
+ cnt_xstats = rte_eth_xstats_count(params->port);
+ if (cnt_xstats < 0) {
+ printf("Port %i: %s\n", params->port, strerror(-cnt_xstats));
+ return;
+ }
+ printf("Number of xstats: %i\n", cnt_xstats);
+ ptr_names = malloc(sizeof(struct rte_eth_xstats_name) * cnt_xstats);
+ if (cnt_xstats != rte_eth_xstats_names(
+ params->port, ptr_names, cnt_xstats)) {
+ printf("Error: Fetched and expected counts mismatch\n");
+ return;
+ }
+
+ cnt_xstats = rte_eth_xstats_get(params->port, xstats, 256);
+ if (cnt_xstats < 0) {
+ printf("Error: Unable to get xstats (%s)\n",
+ strerror(-cnt_xstats));
+ return;
+ }
+ for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++)
+ for (idx_name = 0; idx_name < cnt_xstats; idx_name++)
+ if (ptr_names[idx_name].id == xstats[idx_xstat].id) {
+ printf("%s: %lu\n", ptr_names[idx_name].name,
+ xstats[idx_xstat].value);
+ break;
+ }
+ free(ptr_names);
+}
+
static void pcmd_ringparam_callback(__rte_unused void *ptr_params,
__rte_unused struct cmdline *ctx,
void *ptr_data)
@@ -790,6 +835,17 @@ cmdline_parse_inst_t pcmd_portstats = {
NULL
},
};
+cmdline_parse_inst_t pcmd_xstats = {
+ .f = pcmd_xstats_callback,
+ .data = NULL,
+ .help_str = "xstats <port_id>\n"
+ " Print port eth xstats",
+ .tokens = {
+ (void *)&pcmd_xstats_token_cmd,
+ (void *)&pcmd_int_token_port,
+ NULL
+ },
+};
cmdline_parse_inst_t pcmd_ringparam = {
.f = pcmd_ringparam_callback,
.data = NULL,
@@ -858,6 +914,7 @@ cmdline_parse_ctx_t list_prompt_commands[] = {
(cmdline_parse_inst_t *)&pcmd_stop,
(cmdline_parse_inst_t *)&pcmd_validate,
(cmdline_parse_inst_t *)&pcmd_vlan,
+ (cmdline_parse_inst_t *)&pcmd_xstats,
(cmdline_parse_inst_t *)&pcmd_quit,
NULL
};
--
2.5.5
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