[PATCHv2 2/2] tasks: Add headers and improve spacing format

[Ritesh Harjani <riteshh@linux.ibm.com>]

With the patch.
<e.g. o/p>
      TASK          PID    COMM
0xffffffff82c2b8c0   0   swapper/0
0xffff888a0ba20040   1   systemd
0xffff888a0ba24040   2   kthreadd
0xffff888a0ba28040   3   rcu_gp

w/o
0xffffffff82c2b8c0 <init_task> 0 swapper/0
0xffff888a0ba20040 1 systemd
0xffff888a0ba24040 2 kthreadd
0xffff888a0ba28040 3 rcu_gp

Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
---
 scripts/gdb/linux/tasks.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py
index 0301dc1e0138..17ec19e9b5bf 100644
--- a/scripts/gdb/linux/tasks.py
+++ b/scripts/gdb/linux/tasks.py
@@ -73,11 +73,12 @@ class LxPs(gdb.Command):
         super(LxPs, self).__init__("lx-ps", gdb.COMMAND_DATA)
 
     def invoke(self, arg, from_tty):
+        gdb.write("{:>10} {:>12} {:>7}\n".format("TASK", "PID", "COMM"))
         for task in task_lists():
-            gdb.write("{address} {pid} {comm}\n".format(
-                address=task,
-                pid=task["pid"],
-                comm=task["comm"].string()))
+            gdb.write("{} {:^5} {}\n".format(
+                task.format_string().split()[0],
+                task["pid"].format_string(),
+                task["comm"].string()))
 
 
 LxPs()
-- 
2.25.4