Merge branch 'bpf-Add-BPF-support-to-all-perf_event'

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Merge branch 'bpf-Add-BPF-support-to-all-perf_event'

Alexei Starovoitov says:

====================
bpf: Add BPF support to all perf_event

v3->v4: one more tweak to reject unsupported events at map
update time as Peter suggested

v2->v3: more refactoring to address Peter's feedback.
Now all perf_events are attachable and readable

v1->v2: address Peter's feedback. Refactor patch 1 to allow attaching
bpf programs to all event types and reading counters from all of them as well
patch 2 - more tests
patch 3 - address Dave's feedback and document bpf_perf_event_read()
and bpf_perf_event_output() properly
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

David S. Miller 2017-06-04 21:58:24 -04:00

parent 5071034e4a b7d3ed5be9

commit a11227dcc3

10 changed files with 290 additions and 120 deletions

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7

include/linux/perf_event.h

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11

include/uapi/linux/bpf.h

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28

kernel/bpf/arraymap.c

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47

kernel/events/core.c

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22

kernel/trace/bpf_trace.c

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3

samples/bpf/bpf_helpers.h

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73

samples/bpf/trace_event_user.c

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28

samples/bpf/tracex6_kern.c

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180

samples/bpf/tracex6_user.c

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11

tools/include/uapi/linux/bpf.h

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