[1/3] testpmd: replace EAL logtype with fprintf

  Testpmd is misusing EAL logtype for its own errors.
Since the code directly calls fprintf in other places,
change to use that everywhere. This has the added benefit
of not having testpmd output clutter up syslog().

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 app/test-pmd/testpmd.c | 33 +++++++++++----------------------
 1 file changed, 11 insertions(+), 22 deletions(-)
  

With belows to changes,
Acked-by: Huisong Li <lihuisong@huawei.com>

在 2023/12/12 1:23, Stephen Hemminger 写道:
> Testpmd is misusing EAL logtype for its own errors.
> Since the code directly calls fprintf in other places,
> change to use that everywhere. This has the added benefit
> of not having testpmd output clutter up syslog().
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
>   app/test-pmd/testpmd.c | 33 +++++++++++----------------------
>   1 file changed, 11 insertions(+), 22 deletions(-)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index 9e4e99e53b9a..aa350d61e451 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -3413,8 +3413,7 @@ 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);
> +			fprintf(stderr, "rte_eth_dev_stop failed for port %u\n", pi);
>   			/* Allow to retry stopping the port. */
>   			port->port_status = RTE_PORT_STARTED;
>   			continue;
> @@ -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.");
> +			fprintf(stderr, "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");
> +			fprintf(stderr, "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");
> +			fprintf(stderr, "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);
> +		fprintf(stderr, "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);
>   			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");
> +			fprintf(stderr, "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);
> +		fprintf(stderr, "The device: %s has been added!\n", device_name);
>   		/* TODO: After finish kernel driver binding,
>   		 * begin to attach port.
>   		 */
> @@ -4632,23 +4624,20 @@ 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.");
> +			fprintf(stderr, "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.");
> +			fprintf(stderr, "fail to start device event monitoring.");
>   			return -1;
>   		}
>   
>   		ret = rte_dev_event_callback_register(NULL,
>   			dev_event_callback, NULL);
>   		if (ret) {
> -			RTE_LOG(ERR, EAL,
> -				"fail  to register device event callback\n");
> +			fprintf(stderr, "fail  to register device event callback\n");
two space is here.
Can you fix it by the way?
>   			return -1;
>   		}
>   	}