pm24.git/samples/bpf/trace_output_kern.c, branch v4.7Unnamed repository; edit this file 'description' to name the repository.
https://git.kobert.dev/pm24.git/atom?h=v4.72016-04-28T21:29:45Zsamples/bpf: fix trace_output example2016-04-28T21:29:45ZAlexei Starovoitovast@fb.com2016-04-28T01:56:22Zurn:sha1:569cc39d39385a74b23145496bca2df5ac8b2fb8
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 example2015-10-22T13:42:15ZAlexei Starovoitovast@plumgrid.com2015-10-21T03:02:35Zurn:sha1:39111695b1b88a21e81983a38786d877e770da81
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>