[PATCH v2 0/2] tracing: Fix cpu buffers unavailable problem and add its testcase

[Zheng Yejian]

Hi,

This is the v2 to fix cpu buffers unavailable problem after some
operations on file 'tracing_cpumask' and 'snapshot', also upload
its testcase. Changes show as below.

v2:
  - Fix compile issue reported-by kernel test robot <lkp@xxxxxxxxx> with
    suggestion from Steve:
    - Link: https://lore.kernel.org/all/202308050731.PQutr3r0-lkp@xxxxxxxxx/
    - Link: https://lore.kernel.org/all/20230804125107.41d6cdb1@xxxxxxxxxxxxxxxxxx/

  - Add a step to set tracing_on in testcase (see patch 2) and add
    descriptions of each step.

v1:
  - Link: https://lore.kernel.org/all/20230804124549.2562977-1-zhengyejian1@xxxxxxxxxx/

Zheng Yejian (2):
  tracing: Fix cpu buffers unavailable due to 'record_disabled' messed
  selftests/ftrace: Add a basic testcase for snapshot

 kernel/trace/trace.c                          |  6 ++++
 .../ftrace/test.d/00basic/snapshot1.tc        | 31 +++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc

-- 
2.25.1