Re: [igt-dev] [PATCH i-g-t 1/2] intel_gpu_top: Show banner messages when cycling sort modes

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On 03/02/2021 11:47, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2021-02-03 11:44:55)
From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

It is useful to let the user know what is the currently active sort mode.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
  tools/intel_gpu_top.c | 15 +++++++++++++--
  1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c
index 584aa21b198a..b409106f3718 100644
--- a/tools/intel_gpu_top.c
+++ b/tools/intel_gpu_top.c
@@ -1479,6 +1479,8 @@ print_header_token(const char *cont, int lines, int con_w, int con_h, int *rem,
         return lines;
  }
+static const char *header_msg;
+
  static int
  print_header(const struct igt_device_card *card,
              const char *codename,
@@ -1593,8 +1595,14 @@ print_header(const struct igt_device_card *card,
                 if (lines++ < con_h)
                         printf("\n");
- if (lines++ < con_h)
-                       printf("\n");
+               if (lines++ < con_h) {
+                       if (header_msg) {
+                               printf(" >>> %s\n", header_msg);
+                               header_msg = NULL;

I was just about to ask if we showed it once, then cleared it 1s later.
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

+                       } else {
+                               printf("\n");
+                       }
+               }
         }
return lines;
@@ -2146,12 +2154,15 @@ static void select_client_sort(void)
         switch (++client_sort % 3) {
         case 0:
                 client_cmp = client_last_cmp;
+               header_msg = "Sorting clients by current GPU usage.";
                 break;
         case 1:
                 client_cmp = client_total_cmp;
+               header_msg = "Sorting clients by accummulated GPU usage.";
                 break;
         case 2:
                 client_cmp = client_id_cmp;
+               header_msg = "Sorting clients by sysfs id.";

Do we care about "sysfs"? Just "Sorting clients by id."?

I was even doubting if having this sort is justified at all. Drop after next patch (pid sort)?

Regards,

Tvrtko
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