This manpage patch relates to the addition of the aux_watermark attr
field in the following commit:
commit 1a5941312414c71dece6717da9a0fa1303127afa
Author: Alexander Shishkin <[email protected]>
perf: Add wakeup watermark control to the AUX area
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Kaixu Xia <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Robert Richter <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link:
http://lkml.kernel.org/r/1421237903-181015-10-git-send-email-alexander.shish...@linux.intel.com
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Vince Weaver <[email protected]>
diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index 238eb62..19c5c23 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -259,6 +259,9 @@ struct perf_event_attr {
samples */
__s32 clockid; /* clock to use for time fields */
__u64 sample_regs_intr; /* regs to dump on samples */
+ __u32 aux_watermark; /* aux bytes before wakeup */
+ __u32 __reserved_2; /* align to u64 */
+
};
.fi
.in
@@ -357,6 +360,11 @@ is 104 corresponding to the addition of
.I sample_regs_intr
in Linux 3.19.
.\" commit 60e2364e60e86e81bc6377f49779779e6120977f
+.B PERF_ATTR_SIZE_VER5
+is 112 corresponding to the addition of
+.I aux_watermak
+in Linux 4.1.
+.\" commit 1a5941312414c71dece6717da9a0fa1303127afa
.TP
.I "config"
This specifies which event you want, in conjunction with
@@ -1284,6 +1292,12 @@ with
.BR CLOCK_MONOTONIC , CLOCK_MONOTONIC_RAW , CLOCK_REALTIME ,
.BR CLOCK_BOOTTIME ", and " CLOCK_TAI
currently supported.
+.TP
+.IR "aux_watermark" " (since Linux 4.1)"
+.\" commit 1a5941312414c71dece6717da9a0fa1303127afa
+This specifies how much data is required to trigger a
+.B PERF_RECORD_AUX
+sample.
.SS Reading results
Once a
.BR perf_event_open ()
--
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