Re: [PATCH v2 3/3] testpmd: replace EAL logtype TESTPMD_LOG

["Singh, Aman Deep" <aman.deep.singh@intel.com>]

On 2/16/2024 9:06 AM, Stephen Hemminger wrote:
> Testpmd is misusing EAL logtype for some errors.
> Since the code directly has a macro for logging, use that.
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> Acked-by: Huisong Li <lihuisong@huawei.com>
>
> fix testpmd
> ---
>   app/test-pmd/testpmd.c | 42 +++++++++++++++---------------------------
>   1 file changed, 15 insertions(+), 27 deletions(-)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index 9e4e99e53b9a..249e934a3013 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -3413,8 +3413,8 @@ stop_port(portid_t pid)
>   
>   		ret = eth_dev_stop_mp(pi);
>   		if (ret != 0) {
> -			RTE_LOG(ERR, EAL, "rte_eth_dev_stop failed for port %u\n",
> -				pi);
> +			TESTPMD_LOG(ERR,
> +				    "rte_eth_dev_stop failed for port %u\n", pi);
>   			/* Allow to retry stopping the port. */
>   			port->port_status = RTE_PORT_STARTED;
>   			continue;
> @@ -3423,8 +3423,7 @@ stop_port(portid_t pid)
>   		if (port->port_status == RTE_PORT_HANDLING)
>   			port->port_status = RTE_PORT_STOPPED;
>   		else
> -			fprintf(stderr, "Port %d can not be set into stopped\n",
> -				pi);
> +			TESTPMD_LOG(ERR, "Port %d can not be set into stopped\n", pi);
>   		need_check_link_status = 1;
>   	}
>   	if (need_check_link_status && !no_link_check)
> @@ -3812,23 +3811,20 @@ pmd_test_exit(void)
>   	if (hot_plug) {
>   		ret = rte_dev_event_monitor_stop();
>   		if (ret) {
> -			RTE_LOG(ERR, EAL,
> -				"fail to stop device event monitor.");
> +			TESTPMD_LOG(ERR, "fail to stop device event monitor.");
>   			return;
>   		}
>   
>   		ret = rte_dev_event_callback_unregister(NULL,
>   			dev_event_callback, NULL);
>   		if (ret < 0) {
> -			RTE_LOG(ERR, EAL,
> -				"fail to unregister device event callback.\n");
> +			TESTPMD_LOG(ERR, "fail to unregister device event callback.\n");
>   			return;
>   		}
>   
>   		ret = rte_dev_hotplug_handle_disable();
>   		if (ret) {
> -			RTE_LOG(ERR, EAL,
> -				"fail to disable hotplug handling.\n");
> +			TESTPMD_LOG(ERR, "fail to disable hotplug handling.\n");
>   			return;
>   		}
>   	}
> @@ -4062,12 +4058,10 @@ dev_event_callback(const char *device_name, enum rte_dev_event_type type,
>   
>   	switch (type) {
>   	case RTE_DEV_EVENT_REMOVE:
> -		RTE_LOG(DEBUG, EAL, "The device: %s has been removed!\n",
> -			device_name);
> +		TESTPMD_LOG(INFO, "The device: %s has been removed!\n", device_name);
>   		ret = rte_eth_dev_get_port_by_name(device_name, &port_id);
>   		if (ret) {
> -			RTE_LOG(ERR, EAL, "can not get port by device %s!\n",
> -				device_name);
> +			fprintf(stderr, "Can not get port by device %s!\n", device_name);

Any specific reason to use fprintf() here rather than TESTPMD_LOG

>   			return;
>   		}
>   		/*
> @@ -4081,12 +4075,10 @@ dev_event_callback(const char *device_name, enum rte_dev_event_type type,
>   		 */
>   		if (rte_eal_alarm_set(100000,
>   				rmv_port_callback, (void *)(intptr_t)port_id))
> -			RTE_LOG(ERR, EAL,
> -				"Could not set up deferred device removal\n");
> +			TESTPMD_LOG(ERR, "Could not set up deferred device removal\n");
>   		break;
>   	case RTE_DEV_EVENT_ADD:
> -		RTE_LOG(ERR, EAL, "The device: %s has been added!\n",
> -			device_name);
> +		TESTPMD_LOG(INFO, "The device: %s has been added!\n", device_name);
>   		/* TODO: After finish kernel driver binding,
>   		 * begin to attach port.
>   		 */
> @@ -4632,23 +4624,19 @@ main(int argc, char** argv)
>   	if (hot_plug) {
>   		ret = rte_dev_hotplug_handle_enable();
>   		if (ret) {
> -			RTE_LOG(ERR, EAL,
> -				"fail to enable hotplug handling.");
> +			TESTPMD_LOG(ERR, "fail to enable hotplug handling.");
>   			return -1;
>   		}
>   
>   		ret = rte_dev_event_monitor_start();
>   		if (ret) {
> -			RTE_LOG(ERR, EAL,
> -				"fail to start device event monitoring.");
> +			TESTPMD_LOG(ERR, "fail to start device event monitoring.");
>   			return -1;
>   		}
>   
> -		ret = rte_dev_event_callback_register(NULL,
> -			dev_event_callback, NULL);
> +		ret = rte_dev_event_callback_register(NULL, dev_event_callback, NULL);
>   		if (ret) {
> -			RTE_LOG(ERR, EAL,
> -				"fail  to register device event callback\n");
> +			TESTPMD_LOG(ERR, "fail to register device event callback\n");
>   			return -1;
>   		}
>   	}
> @@ -4658,7 +4646,7 @@ main(int argc, char** argv)
>   			rte_eal_cleanup();
>   			rte_exit(EXIT_FAILURE, "Start ports failed\n");
>   		}
> -		fprintf(stderr, "Start ports failed\n");
> +		TESTPMD_LOG(ERR, "Start ports failed\n");
>   	}
>   
>   	/* set all ports to promiscuous mode by default */