Subject: [PATCH v4 3/4] perf report: Add SPE options to --itrace argument

From: James Clark <[email-masked]>
Date: Tue, 11 Feb 2020 14:04:44 +0000

From: Tan Xiaojun <[email-masked]>

The previous patch added support in "perf report" for some arm-spe
events(llc-miss, tlb-miss, branch-miss, remote_access). This patch
adds their help instructions.

Signed-off-by: Tan Xiaojun <[email-masked]>
Tested-by: Qi Liu <[email-masked]>
Signed-off-by: James Clark <[email-masked]>
Cc: Will Deacon <[email-masked]>
Cc: Mark Rutland <[email-masked]>
Cc: Peter Zijlstra <[email-masked]>
Cc: Ingo Molnar <[email-masked]>
Cc: Arnaldo Carvalho de Melo <[email-masked]>
Cc: Alexander Shishkin <[email-masked]>
Cc: Jiri Olsa <[email-masked]>
Cc: Tan Xiaojun <[email-masked]>
Cc: Al Grant <[email-masked]>
Cc: Namhyung Kim <[email-masked]>
---
 tools/perf/Documentation/itrace.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index 82ff7dad40c2..8e1488de1fb3 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -1,5 +1,5 @@
 		i	synthesize instructions events
-		b	synthesize branches events
+		b	synthesize branches events (branch misses on Arm)
 		c	synthesize branches events (calls only)
 		r	synthesize branches events (returns only)
 		x	synthesize transactions events
@@ -12,6 +12,9 @@
 		g	synthesize a call chain (use with i or x)
 		l	synthesize last branch entries (use with i or x)
 		s       skip initial number of events
+		m	synthesize LLC miss events
+		t	synthesize TLB miss events
+		a	synthesize remote access events
 
 	The default is all events i.e. the same as --itrace=ibxwpe,
 	except for perf script where it is --itrace=ce
-- 
2.17.1

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