| Commit message (Collapse) | Author | Age | |
|---|---|---|---|
| * | samples/bpf: fix trace_output example | Alexei Starovoitov | 2016-04-28 |
| | | | | | | | | | | | llvm cannot always recognize memset as builtin function and optimize it away, so just delete it. It was a leftover from testing of bpf_perf_event_output() with large data structures. Fixes: 39111695b1b8 ("samples: bpf: add bpf_perf_event_output example") Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> | ||
| * | samples: bpf: add bpf_perf_event_output example | Alexei Starovoitov | 2015-10-22 |
| 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> | |||
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