[PATCH i-g-t v4 2/2] tests/kms_atomic_transition: Reducing debug loglevel dynamically

[Modem, Bhanuprakash]

Hi Pranay,

On 11-07-2024 03:48 pm, Pranay Samala wrote:
> This test is debug logs are too much and was killed
> due to exceeding disk usage limit on the less disk
> space machines.
> 
> So dynamically reducing the debug log level to 13.
> 
> v2:
> - Using "" for the defined header file (Bhanu)
> - Not using exit handler in this file (Bhanu)
> - Not using any magic number (Bhanu)
> 
> v3:
> - Calling loglevel init functionality in lib file (Bhanu)
> - Here 2 means the log level will be reduced by 2 (Bhanu)
> 
> v4:
> - Send the required debuglevel to directly to api only if debug
>    log level is greater than 10 (Bhanu)
> 
> Signed-off-by: Pranay Samala <pranay.samala at intel.com>
> ---
>   tests/kms_atomic_transition.c | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/tests/kms_atomic_transition.c b/tests/kms_atomic_transition.c
> index 29dd8ac4e..618fef8dc 100644
> --- a/tests/kms_atomic_transition.c
> +++ b/tests/kms_atomic_transition.c
> @@ -34,6 +34,7 @@
>   #include "igt_rand.h"
>   #include "drmtest.h"
>   #include "sw_sync.h"
> +#include "igt_sysfs.h"
>   #include <errno.h>
>   #include <pthread.h>
>   #include <stdbool.h>
> @@ -1174,6 +1175,8 @@ igt_main_args("", long_opts, help_str, opt_handler, &data)
>   	int pipe_count = 0;
>   
>   	igt_fixture {
> +		int dir, current_log_level;
> +
>   		data.drm_fd = drm_open_driver_master(DRIVER_ANY);
>   
>   		kmstest_set_vt_graphics_mode();
> @@ -1185,6 +1188,13 @@ igt_main_args("", long_opts, help_str, opt_handler, &data)
>   
>   		for_each_connected_output(&data.display, output)
>   			count++;
> +
> +		dir = igt_sysfs_drm_module_params_open();
----------------------^
In case of failure, this function may return -1. Please add a check for 
that.

Otherwise this patch LGTM.

- Bhanu

> +		current_log_level = igt_drm_debug_level_get(dir);
> +		close(dir);
> +
> +		if (current_log_level > 10)
> +			igt_drm_debug_level_update(10);
>   	}
>   
>   	igt_describe("Check toggling of primary plane with vblank");