On Wed, Sep 30, 2020 at 03:49:27PM -0700, Song Liu wrote:
> +
> +SEC("raw_tp/task_rename")
> +int BPF_PROG(read_array_2)
> +{
> + struct bpf_perf_event_value val;
> + long ret;
> +
> + ret = bpf_perf_event_read_value(&array_2, 0, &val, sizeof(val));
> + return ret;
> +}
After remov
Add tests for perf event array with and without BPF_F_PRESERVE_ELEMS.
Add a perf event to array via fd mfd. Without BPF_F_PRESERVE_ELEMS, the
perf event is removed when mfd is closed. With BPF_F_PRESERVE_ELEMS, the
perf event is removed when the map is freed.
Signed-off-by: Song Liu
---
.../bpf
