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5450be6bef
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> |
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