This patchset fix some issues of gdb command.

Patch 1:
 - Fix lx-ps command error
Patch 2:
 - Fix stackdepot usage error
Patch 3:
 - Remove exception handling
 - Refine the printing format

---
V1->V2:
 - Remove unnecessary variable. (Thanks Oleg)
 - Refine commit message.

Kuan-Ying Lee (3):
  scripts/gdb/tasks: Fix lx-ps command error
  scripts/gdb/stackdepot: Rename pool_index to pools_num
  scripts/gdb: Remove exception handling and refine print format

 scripts/gdb/linux/page_owner.py | 58 ++++++++++++++-------------------
 scripts/gdb/linux/slab.py       |  3 +-
 scripts/gdb/linux/stackdepot.py |  6 ++--
 scripts/gdb/linux/tasks.py      | 18 ++++------
 4 files changed, 36 insertions(+), 49 deletions(-)

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2.18.0