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* bpf: add initial suite for selftestsDaniel Borkmann2016-10-181-503/+0
| | | | | | | | | | | | | | | | | | | | Add a start of a test suite for kernel selftests. This moves test_verifier and test_maps over to tools/testing/selftests/bpf/ along with various code improvements and also adds a script for invoking test_bpf module. The test suite can simply be run via selftest framework, f.e.: # cd tools/testing/selftests/bpf/ # make # make run_tests Both test_verifier and test_maps were kind of misplaced in samples/bpf/ directory and we were looking into adding them to selftests for a while now, so it can be picked up by kbuild bot et al and hopefully also get more exposure and thus new test case additions. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* samples/bpf: add bpf_map_update_elem() testsAlexei Starovoitov2016-08-061-2/+13
| | | | | | | increase test coverage to check previously missing 'update when full' Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* samples/bpf: test both pre-alloc and normal mapsAlexei Starovoitov2016-03-081-1/+9
| | | | | | | extend test coveraged to include pre-allocated and run-time alloc maps Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* samples/bpf: add map_flags to bpf loaderAlexei Starovoitov2016-03-081-7/+12
| | | | | | | | note old loader is compatible with new kernel. map_flags are optional Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* samples/bpf: unit test for BPF_MAP_TYPE_PERCPU_ARRAYtom.leiming@gmail.com2016-02-061-0/+92
| | | | | | | | A sanity test for BPF_MAP_TYPE_PERCPU_ARRAY Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* samples/bpf: unit test for BPF_MAP_TYPE_PERCPU_HASHMartin KaFai Lau2016-02-061-0/+96
| | | | | | | | A sanity test for BPF_MAP_TYPE_PERCPU_HASH. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* samples: bpf: relax test_maps checkAlexei Starovoitov2015-01-261-2/+2
| | | | | | | | | | | hash map is unordered, so get_next_key() iterator shouldn't rely on particular order of elements. So relax this test. Fixes: ffb65f27a155 ("bpf: add a testsuite for eBPF maps") Reported-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bpf: add a testsuite for eBPF mapsAlexei Starovoitov2014-11-181-0/+291
. check error conditions and sanity of hash and array map APIs . check large maps (that kernel gracefully switches to vmalloc from kmalloc) . check multi-process parallel access and stress test Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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