On 10/11/2020 11:03, Zbigniew Kempczyński wrote:
On Mon, Nov 09, 2020 at 10:48:10AM +0000, Tvrtko Ursulin wrote:
From: Tvrtko Ursulin <tvrtko.ursu...@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.ursu...@intel.com>
Cc: Petri Latvala <petri.latv...@intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczyn...@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.kempczyn...@intel.com>

Thanks.

Any concerns about potential existence of tools which parse lsgpu output and may depend on the default format?

Regards,

Tvrtko
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