linux-stable.git/tools/testing/selftests/bpf/progs/test_ringbuf_overwrite.c, branch linux-rolling-stable Linux kernel stable tree selftests/bpf: Add overwrite mode test for BPF ring buffer 2025-10-28T02:46:32+00:00 Xu Kuohai xukuohai@huawei.com 2025-10-18T03:57:37+00:00 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 
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