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The samples/bpf has become outdated and often does not follow up with
the latest. This commit removes obsolete tracing-related tests.
Specifically, 'test_overhead' is duplicate with selftests (and bench),
and 'test_override_return', 'test_probe_write_user' tests are obsolete
since they have been replaced by kprobe_multi_override and probe_user
from selftests respectively.
The following files are removed:
- test_overhead: tests the overhead of BPF programs with task_rename,
now covered by selftests and benchmark tests (rename-*). [1]
- test_override_return: tests the return override functionality, now
handled by kprobe_multi_override in selftests.
- test_probe_write_user: tests the probe_write_user functionality,
now replaced by the probe_user test in selftests.
This cleanup will help to streamline the testing framework by removing
redundant tests.
[1]: https://patchwork.kernel.org/cover/13759916
Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Link: https://lore.kernel.org/r/20241011044847.51584-5-danieltimlee@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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