| commit | 39111695b1b88a21e81983a38786d877e770da81 | [log] [tgz] |
|---|---|---|
| author | Alexei Starovoitov <ast@plumgrid.com> | Tue Oct 20 20:02:35 2015 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Thu Oct 22 06:42:15 2015 -0700 |
| tree | 33c57207f5ed18a5408ed9c25ec0ab169ec0fb5d | |
| parent | a43eec304259a6c637f4014a6d4767159b6a3aa3 [diff] |
samples: bpf: add bpf_perf_event_output example Performance test and example of bpf_perf_event_output(). kprobe is attached to sys_write() and trivial bpf program streams pid+cookie into userspace via PERF_COUNT_SW_BPF_OUTPUT event. Usage: $ sudo ./bld_x64/samples/bpf/trace_output recv 2968913 events per sec Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>