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libbpf: Add support for command BPF_ENABLE_STATS

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bpf_enable_stats() is added to enable given stats.

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200430071506.1408910-3-songliubraving@fb.com
This commit is contained in:
Song Liu
2020-04-30 00:15:05 -07:00
committed by Andrii Nakryiko
parent 83f269b088
commit 5c1c96c579
3 changed files with 12 additions and 0 deletions
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10
src/bpf.c
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@@ -841,3 +841,13 @@ int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len,
return err;
}
int bpf_enable_stats(enum bpf_stats_type type)
{
union bpf_attr attr;
memset(&attr, 0, sizeof(attr));
attr.enable_stats.type = type;
return sys_bpf(BPF_ENABLE_STATS, &attr, sizeof(attr));
}