diff mbox series

[v5,3/4] perf report: Add SPE options to --itrace argument

Message ID 20200225115739.18740-4-james.clark@arm.com (mailing list archive)
State New, archived
Headers show
Series perf tools: Add support for some spe events and precise ip | expand

Commit Message

James Clark Feb. 25, 2020, 11:57 a.m. UTC 
From: Tan Xiaojun <tanxiaojun@huawei.com>

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 <tanxiaojun@huawei.com>
Tested-by: Qi Liu <liuqi115@hisilicon.com>
Signed-off-by: James Clark <james.clark@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Tan Xiaojun <tanxiaojun@huawei.com>
Cc: Al Grant <al.grant@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/Documentation/itrace.txt | 5 ++++-
 tools/perf/util/auxtrace.h          | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index 82ff7dad40c2..da3e5ccc039e 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
@@ -9,6 +9,9 @@ 
 			of aux-output (refer to perf record)
 		e	synthesize error events
 		d	create a debug log
+		m	synthesize LLC miss events
+		t	synthesize TLB miss events
+		a	synthesize remote access events
 		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
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 80617b0d044d..52e148eea7f8 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -587,7 +587,7 @@  void auxtrace__free(struct perf_session *session);
 
 #define ITRACE_HELP \
 "				i:	    		synthesize instructions events\n"		\
-"				b:	    		synthesize branches events\n"		\
+"				b:	    		synthesize branches events (branch misses on Arm)\n" \
 "				c:	    		synthesize branches events (calls only)\n"	\
 "				r:	    		synthesize branches events (returns only)\n" \
 "				x:	    		synthesize transactions events\n"		\
@@ -595,6 +595,9 @@  void auxtrace__free(struct perf_session *session);
 "				p:	    		synthesize power events\n"			\
 "				e:	    		synthesize error events\n"			\
 "				d:	    		create a debug log\n"			\
+"				m:	    		synthesize LLC miss events\n" \
+"				t:	    		synthesize TLB miss events\n" \
+"				a:	    		synthesize remote access events\n" \
 "				g[len]:     		synthesize a call chain (use with i or x)\n" \
 "				l[len]:     		synthesize last branch entries (use with i or x)\n" \
 "				sNUMBER:    		skip initial number of events\n"		\