diff options
-rw-r--r-- | man2/perf_event_open.2 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index cc17783ddc..0099ececf6 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -1764,7 +1764,9 @@ the mmap buffer. .TP .IR aux_head ", " aux_tail ", " aux_offset ", " aux_size " (since Linux 4.1)" .\" commit 45bfb2e50471abbbfd83d40d28c986078b0d24ff -The AUX region allows mmaping a separate sample buffer for +The AUX region allows +.BR mmap (2)-ing +a separate sample buffer for high-bandwidth data streams (separate from the main perf sample buffer). An example of a high-bandwidth stream is instruction tracing support, as is found in newer Intel processors. |