Messages in this thread | | | Subject | Re: [PATCH v3 3/3] samples/bpf: example of get selected PMU counter value | From | Alexei Starovoitov <> | Date | Thu, 23 Jul 2015 15:59:55 -0700 |
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On 7/23/15 2:42 AM, Kaixu Xia wrote: > This is a simple example and shows how to use the new ability > to get the selected Hardware PMU counter value. > > Signed-off-by: Kaixu Xia <xiakaixu@huawei.com> ... > +struct bpf_map_def SEC("maps") my_map = { > + .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY, > + .key_size = sizeof(int), > + .value_size = sizeof(unsigned long), > + .max_entries = 32, > +};
wait. how did it work here? value_size should be u32.
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