linux-kernel - [PATCH] perf_event: missing field in PERF_RECORD

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Message-ID: <alpine.DEB.2.02.1211061529590.23901@vincent-weaver-1.um.maine.edu>
Date:	Tue, 6 Nov 2012 15:33:25 -0500 (EST)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	linux-kernel@...r.kernel.org
cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Stephane Eranian <eranian@...il.com>
Subject: [PATCH] perf_event: missing field in PERF_RECORD_SAMPLE
 documentation


While trying to write a perf_event/mmap test for my perf_event 
test-suite I came across a missing field description in the 
PERF_RECORD_SAMPLE documentation.

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

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 4f63c05..9fa9c62 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -579,7 +579,8 @@ enum perf_event_type {
 	 *	{ u32			size;
 	 *	  char                  data[size];}&& PERF_SAMPLE_RAW
 	 *
-	 *	{ u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
+	 *	{ u64                   nr;
+	 *        { u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
 	 *
 	 * 	{ u64			abi; # enum perf_sample_regs_abi
 	 * 	  u64			regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER


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