[Intel-gfx] [RFC 2/3] lsgpu: User friendly device listing

[Zbigniew Kempczyński]

On Mon, Nov 09, 2020 at 10:48:10AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> New default user frindly device listing mode which replaces:
> 
> sys:/sys/devices/pci0000:00/0000:00:02.0/drm/card0
>     subsystem       : drm
>     drm card        : /dev/dri/card0
>     parent          : sys:/sys/devices/pci0000:00/0000:00:02.0
> 
> sys:/sys/devices/pci0000:00/0000:00:02.0/drm/renderD128
>    subsystem       : drm
>    drm render      : /dev/dri/renderD128
>    parent          : sys:/sys/devices/pci0000:00/0000:00:02.0
> 
> sys:/sys/devices/pci0000:00/0000:00:02.0
>    subsystem       : pci
>     drm card        : /dev/dri/card0
>     drm render      : /dev/dri/renderD128
>     vendor          : 8086
>     device          : 193B
> 
> With:
> 
> card0                   8086:193B    drm:/dev/dri/card0
> └─renderD128                         drm:/dev/dri/renderD128
> 
> Advantages are more compact, more readable, one entry per GPU.
> 
> Legacy format can be chose using the -s / --print-simple command line
> switches.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Cc: Petri Latvala <petri.latvala at intel.com>
> Cc: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
> ---
>  tools/lsgpu.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/lsgpu.c b/tools/lsgpu.c
> index 2541d1c24e66..3b234b73361a 100644
> --- a/tools/lsgpu.c
> +++ b/tools/lsgpu.c
> @@ -70,6 +70,7 @@
>   */
>  
>  enum {
> +	OPT_PRINT_SIMPLE   = 's',
>  	OPT_PRINT_DETAIL   = 'p',
>  	OPT_LIST_VENDORS   = 'v',
>  	OPT_LIST_FILTERS   = 'l',
> @@ -85,6 +86,7 @@ static char *igt_device;
>  static const char *usage_str =
>  	"usage: lsgpu [options]\n\n"
>  	"Options:\n"
> +	"  -s, --print-simple          Print simple (legacy) device details\n"
>  	"  -p, --print-details         Print devices with details\n"
>  	"  -v, --list-vendors          List recognized vendors\n"
>  	"  -l, --list-filter-types     List registered device filters types\n"
> @@ -151,6 +153,7 @@ static char *get_device_from_rc(void)
>  int main(int argc, char *argv[])
>  {
>  	static struct option long_options[] = {
> +		{"print-simple",      no_argument,       NULL, OPT_PRINT_SIMPLE},
>  		{"print-detail",      no_argument,       NULL, OPT_PRINT_DETAIL},
>  		{"list-vendors",      no_argument,       NULL, OPT_LIST_VENDORS},
>  		{"list-filter-types", no_argument,       NULL, OPT_LIST_FILTERS},
> @@ -160,12 +163,15 @@ int main(int argc, char *argv[])
>  	};
>  	int c, index = 0;
>  	char *env_device = NULL, *opt_device = NULL, *rc_device = NULL;
> -	enum igt_devices_print_type printtype = IGT_PRINT_SIMPLE;
> +	enum igt_devices_print_type printtype = IGT_PRINT_USER;
>  
> -	while ((c = getopt_long(argc, argv, "pvld:h",
> +	while ((c = getopt_long(argc, argv, "spvld:h",
>  				long_options, &index)) != -1) {
>  		switch(c) {
>  
> +		case OPT_PRINT_SIMPLE:
> +			printtype = IGT_PRINT_SIMPLE;
> +			break;
>  		case OPT_PRINT_DETAIL:
>  			printtype = IGT_PRINT_DETAIL;
>  			break;
> -- 
> 2.25.1
> 

Looks ok:

Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>

--
Zbigniew