[patch 08/10] perf_event_open.2: 4.1 add aux_watermark

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This manpage patch relates to the addition of the aux_watermark attr
field in the following commit:

	commit 1a5941312414c71dece6717da9a0fa1303127afa
	Author: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>

	perf: Add wakeup watermark control to the AUX area

	Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
	Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
	Cc: Borislav Petkov <bp@xxxxxxxxx>
	Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
	Cc: H. Peter Anvin <hpa@xxxxxxxxx>
	Cc: Kaixu Xia <kaixu.xia@xxxxxxxxxx>
	Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
	Cc: Mike Galbraith <efault@xxxxxx>
	Cc: Paul Mackerras <paulus@xxxxxxxxx>
	Cc: Robert Richter <rric@xxxxxxxxxx>
	Cc: Stephane Eranian <eranian@xxxxxxxxxx>
	Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
	Cc: acme@xxxxxxxxxxxxx
	Cc: adrian.hunter@xxxxxxxxx
	Cc: kan.liang@xxxxxxxxx
	Cc: markus.t.metzger@xxxxxxxxx
	Cc: mathieu.poirier@xxxxxxxxxx
	Link: http://lkml.kernel.org/r/1421237903-181015-10-git-send-email-alexander.shishkin@xxxxxxxxxxxxxxx
	Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>

Signed-off-by: Vince Weaver <vincent.weaver@xxxxxxxxx>

diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index 01ee579..fa6f6c5 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -256,6 +256,8 @@ struct perf_event_attr {
     __u32 sample_stack_user;    /* size of stack to dump on
                                    samples */
     __u32 __reserved_2;         /* Align to u64 */
+    __u32   aux_watermark;
+    __u32   __reserved_2;       /* align to u64 */
 
 };
 .fi
@@ -350,6 +352,11 @@ and
 .I sample_stack_user
 in Linux 3.7.
 .\" commit 1659d129ed014b715b0b2120e6fd929bdd33ed03
+.B PERF_ATTR_SIZE_VER5
+is 112 corresponding to the addition of
+.I aux_watermak
+.\" commit 1a5941312414c71dece6717da9a0fa1303127afa
+in Linux 4.1.
 .TP
 .I "config"
 This specifies which event you want, in conjunction with
@@ -1218,6 +1225,12 @@ described in the kernel header
 This defines the size of the user stack to dump if
 .B PERF_SAMPLE_STACK_USER
 is specified.
+.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 ()
--
To unsubscribe from this list: send the line "unsubscribe linux-man" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Documentation]     [Netdev]     [Linux Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux