kernel.git/tools/testing/selftests/bpf/progs/test_ringbuf_overwrite.c, branch masterHosts the 0x221E linux distro kernel.
https://git.0xinfinity.dev/distro/kernel.git/atom?h=master2025-10-28T02:46:32Zselftests/bpf: Add overwrite mode test for BPF ring buffer2025-10-28T02:46:32ZXu Kuohai2025-10-18T03:57:37Zurn:sha1:8f7a86ecde429709da5851043ab2e0b8236cfd29
Add overwrite mode test for BPF ring buffer. The test creates a BPF ring
buffer in overwrite mode, then repeatedly reserves and commits records
to check if the ring buffer works as expected both before and after
overwriting occurs.
Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20251018035738.4039621-3-xukuohai@huaweicloud.com