diff options
| -rw-r--r-- | man2/perf_event_open.2 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index 3cc2cc252c..ff31bd8ff6 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -3281,7 +3281,7 @@ This allows querying which Berkeley Packet Filter (BPF) programs are attached to an existing kprobe tracepoint. You can only attach one BPF program per event, but you can have multiple events attached to a tracepoint. -Querying this value on one tracepoint event returns the id +Querying this value on one tracepoint event returns the ID of all BPF programs in all events attached to the tracepoint. You need .B CAP_PERFMON @@ -3311,7 +3311,7 @@ value is filled in by the kernel with the number of attached BPF programs. The .I ids -array is filled with the id of each attached BPF program. +array is filled with the ID of each attached BPF program. If there are more programs than will fit in the array, then the kernel will return .B ENOSPC |