kernel/tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc, branch linux-rolling-stableHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-rolling-stable2023-08-16T19:13:40Zselftests/ftrace: Add a basic testcase for snapshot2023-08-16T19:13:40ZZheng Yejianzhengyejian1@huawei.com2023-08-05T03:38:16Zurn:sha1:5450be6befc63670f2c05aa6773a8e437b39a3fe
This testcase is constrived to reproduce a problem that the cpu buffers
become unavailable which is due to 'record_disabled' of array_buffer and
max_buffer being messed up.
Local test result after bugfix:
# ./ftracetest test.d/00basic/snapshot1.tc
=== Ftrace unit tests ===
[1] Snapshot and tracing_cpumask [PASS]
[2] (instance) Snapshot and tracing_cpumask [PASS]
# of passed: 2
# of failed: 0
# of unresolved: 0
# of untested: 0
# of unsupported: 0
# of xfailed: 0
# of undefined(test bug): 0
Link: https://lkml.kernel.org/r/20230805033816.3284594-3-zhengyejian1@huawei.com
Cc: <mhiramat@kernel.org>
Cc: <vnagarnaik@google.com>
Cc: <shuah@kernel.org>
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>