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| author | Alexei Starovoitov <ast@kernel.org> | 2019-02-25 14:28:40 -0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-02-27 17:22:50 +0100 |
| commit | 5f8f8b93aeb8371c54af08bece2bd04bc2d48707 (patch) | |
| tree | e4f26693f0c9c39b8ddde20b1187348401834000 /kernel | |
| parent | 492ecee892c2a4ba6a14903d5d586ff750b7e805 (diff) | |
| download | linux-5f8f8b93aeb8371c54af08bece2bd04bc2d48707.tar.bz2 | |
bpf: expose program stats via bpf_prog_info
Return bpf program run_time_ns and run_cnt via bpf_prog_info
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/syscall.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 31cf66fc3f5c..174581dfe225 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -2152,6 +2152,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog, struct bpf_prog_info __user *uinfo = u64_to_user_ptr(attr->info.info); struct bpf_prog_info info = {}; u32 info_len = attr->info.info_len; + struct bpf_prog_stats stats; char __user *uinsns; u32 ulen; int err; @@ -2191,6 +2192,10 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog, if (err) return err; + bpf_prog_get_stats(prog, &stats); + info.run_time_ns = stats.nsecs; + info.run_cnt = stats.cnt; + if (!capable(CAP_SYS_ADMIN)) { info.jited_prog_len = 0; info.xlated_prog_len = 0; |