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authorKaixu Xia <xiakaixu@huawei.com>2015-08-06 07:02:34 +0000
committerDavid S. Miller <davem@davemloft.net>2015-08-09 22:50:05 -0700
commitea317b267e9d03a8241893aa176fba7661d07579 (patch)
tree75d0e648c42e56ae0f2ae0f5e33226ce4bb77fee /kernel/trace
parent2a36f0b92eb638dd023870574eb471b1c56be9ad (diff)
bpf: Add new bpf map type to store the pointer to struct perf_event
Introduce a new bpf map type 'BPF_MAP_TYPE_PERF_EVENT_ARRAY'. This map only stores the pointer to struct perf_event. The user space event FDs from perf_event_open() syscall are converted to the pointer to struct perf_event and stored in map. Signed-off-by: Kaixu Xia <xiakaixu@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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