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authorWang Nan <wangnan0@huawei.com>2016-11-26 10:03:27 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-11-29 18:10:19 +0300
commit5a6acad17d2e81765dd4c2fce7346a6f045eab25 (patch)
treec5ee94f9aec5b8ac2d1b09e7e1b8b28f927a1204 /tools/perf
parent10931d2413478239bdceac5546cce85d7a497a4e (diff)
downloadlinux-5a6acad17d2e81765dd4c2fce7346a6f045eab25.tar.xz
tools lib bpf: Retrive bpf_map through offset of bpf_map_def
Add a new API to libbpf, caller is able to get bpf_map through the offset of bpf_map_def to 'maps' section. The API will be used to help jitted perf hook code find fd of a map. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Joe Stringer <joe@ovn.org> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/20161126070354.141764-4-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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