netdev - [PATCH iproute2-next] devlink: Increase column size for larger shared buffers

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Date:   Tue, 23 Apr 2019 09:36:30 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     dsahern@...il.com, jiri@...lanox.com, alexanderk@...lanox.com,
        mlxsw@...lanox.com, Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH iproute2-next] devlink: Increase column size for larger shared buffers

From: Ido Schimmel <idosch@...lanox.com>

With current number of spaces the output is mangled if the shared buffer
is congested.

Before:

# devlink sb occupancy show swp32
swp32:
  pool: 0:    10220112/10222128 1:          0/0       2:          0/0       3:          0/0
        4:    10221120/10222128 5:          0/0       6:          0/0       7:          0/0
        8:      41328/46368   9:          0/0      10:          0/0
  itc:  0(0): 10220112/10222128 1(0):       0/0       2(0):       0/0       3(0):       0/0
        4(0):       0/0       5(0):       0/0       6(0):       0/0       7(0):       0/0
  etc:  0(4): 10221120/10222128 1(4):       0/0       2(4):       0/0       3(4):       0/0
        4(4):       0/0       5(4):       0/0       6(4):       0/0       7(4):       0/0
        8(8):   43344/46368   9(8):       0/0      10(8):       0/0      11(8):       0/0
       12(8):       0/0      13(8):       0/0      14(8):       0/0      15(8):       0/0

After:

# devlink sb occupancy show swp32
swp32:
  pool: 0:    10220112/10222128 1:          0/0         2:          0/0         3:          0/0
        4:    10221120/10222128 5:          0/0         6:          0/0         7:          0/0
        8:      41328/46368     9:          0/0        10:          0/0
  itc:  0(0): 10220112/10222128 1(0):       0/0         2(0):       0/0         3(0):       0/0
        4(0):       0/0         5(0):       0/0         6(0):       0/0         7(0):       0/0
  etc:  0(4): 10221120/10222128 1(4):       0/0         2(4):       0/0         3(4):       0/0
        4(4):       0/0         5(4):       0/0         6(4):       0/0         7(4):       0/0
        8(8):   43344/46368     9(8):       0/0        10(8):       0/0        11(8):       0/0
       12(8):       0/0        13(8):       0/0        14(8):       0/0        15(8):       0/0

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Reported-by: Alex Kushnarov <alexanderk@...lanox.com>
Tested-by: Alex Kushnarov <alexanderk@...lanox.com>
---
 devlink/devlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/devlink/devlink.c b/devlink/devlink.c
index dc6e73fec20c..1306c4c126ad 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -3422,7 +3422,7 @@ static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
 				  occ_item->bound_pool_index);
 		else
 			pr_out_sp(7, "%2u:", occ_item->index);
-		pr_out_sp(15, "%7u/%u", occ_item->cur, occ_item->max);
+		pr_out_sp(17, "%7u/%u", occ_item->cur, occ_item->max);
 		if (i++ % 4 == 0)
 			pr_out("\n");
 	}
-- 
2.20.1