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authorTeng Qin2018-03-06 19:55:01 +0100
committerDaniel Borkmann2018-03-08 02:22:34 +0100
commit95da0cdb723260362fc126a563285ac66a193da7 (patch)
treedb1eb572476d510c1a2e06c18c3ad6d4a79a0060 /samples/bpf/trace_event_user.c
parentip6mr: remove synchronize_rcu() in favor of SOCK_RCU_FREE (diff)
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bpf: add support to read sample address in bpf program
This commit adds new field "addr" to bpf_perf_event_data which could be read and used by bpf programs attached to perf events. The value of the field is copied from bpf_perf_event_data_kern.addr and contains the address value recorded by specifying sample_type with PERF_SAMPLE_ADDR when calling perf_event_open. Signed-off-by: Teng Qin <qinteng@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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