Message ID | 20230920213145.1941596-2-jolsa@kernel.org (mailing list archive) |
---|---|
State | Accepted |
Commit | f915fcb38553eb9150a918348d932fd292de71dc |
Delegated to: | BPF |
Headers | show |
Series | bpf: Add missed stats for kprobes | expand |
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index a7264b2c17ad..279a3d370812 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -2710,6 +2710,7 @@ kprobe_multi_link_prog_run(struct bpf_kprobe_multi_link *link, int err; if (unlikely(__this_cpu_inc_return(bpf_prog_active) != 1)) { + bpf_prog_inc_misses_counter(link->link.prog); err = 0; goto out; }
Adding support to gather missed stats for kprobe_multi programs due to bpf_prog_active protection. Reviewed-and-tested-by: Song Liu <song@kernel.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- kernel/trace/bpf_trace.c | 1 + 1 file changed, 1 insertion(+)