selftests/bpf: Add bpf_timer test.

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Add bpf_timer test that creates timers in preallocated and
non-preallocated hash, in array and in lru maps.
Let array timer expire once and then re-arm it for 35 seconds.
Arm lru timer into the same callback.
Then arm and re-arm hash timers 10 times each.
At the last invocation of prealloc hash timer cancel the array timer.
Force timer free via LRU eviction and direct bpf_map_delete_elem.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/bpf/20210715005417.78572-11-alexei.starovoitov@gmail.com

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Alexei Starovoitov 2021-07-14 17:54:16 -07:00 • committed by Daniel Borkmann

parent 7ddc80a476

commit 3540f7c6b9

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55

tools/testing/selftests/bpf/prog_tests/timer.c

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297

tools/testing/selftests/bpf/progs/timer.c

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