From 4111ac76756def09f763b52b5dc9789f1cb21ec4 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Tue, 27 Oct 2020 17:59:36 +0100 Subject: [PATCH] perf_event_open.2: wfix Signed-off-by: Michael Kerrisk --- man2/perf_event_open.2 | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index cc17783dd..0099ececf 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.