diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2023-09-20 23:31:37 +0200 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2023-09-25 16:37:44 -0700 |
| commit | f915fcb38553eb9150a918348d932fd292de71dc (patch) | |
| tree | 3e3de54c77987e6730e3d4f9b16cecaaa93b1c26 /kernel/trace | |
| parent | e0fa6523e02ab31a27daf52e58a0d95fd52d5300 (diff) | |
bpf: Count stats for kprobe_multi programs
Adding support to gather missed stats for kprobe_multi
programs due to bpf_prog_active protection.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Song Liu <song@kernel.org>
Reviewed-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/bpf/20230920213145.1941596-2-jolsa@kernel.org
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/bpf_trace.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 868008f56fec..54827d04c9a6 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; } |