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bpf: add a testsuite for eBPF maps

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. 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>
This commit is contained in:
Alexei Starovoitov
2014-11-13 17:36:48 -08:00
committed by David S. Miller
parent a1854d6ac0
commit ffb65f27a1
4 changed files with 296 additions and 3 deletions
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samples/bpf/libbpf.h
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@@ -6,7 +6,7 @@ struct bpf_insn;
int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size,
int max_entries);
int bpf_update_elem(int fd, void *key, void *value);
int bpf_update_elem(int fd, void *key, void *value, unsigned long long flags);
int bpf_lookup_elem(int fd, void *key, void *value);
int bpf_delete_elem(int fd, void *key);
int bpf_get_next_key(int fd, void *key, void *next_key);