linux-kernel - [PATCH v1 4/4] perf arm-spe: Update --itrace help text

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Message-Id: <20241025143009.25419-5-graham.woodward@arm.com>
Date: Fri, 25 Oct 2024 15:30:09 +0100
From: Graham Woodward <graham.woodward@....com>
To: acme@...nel.org,
	namhyung@...nel.org,
	mark.rutland@....com,
	jolsa@...nel.org,
	irogers@...gle.com,
	james.clark@...aro.org,
	mike.leach@...aro.org,
	leo.yan@...ux.dev,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc: nd@....com,
	Graham Woodward <graham.woodward@....com>
Subject: [PATCH v1 4/4] perf arm-spe: Update --itrace help text

The --itrace help now needs updating to reflect that
the --itrace=b argument sythesises branches as well
as branch misses.

Signed-off-by: Graham Woodward <graham.woodward@....com>
---
 tools/perf/Documentation/itrace.txt       | 2 +-
 tools/perf/Documentation/perf-arm-spe.txt | 2 +-
 tools/perf/util/auxtrace.h                | 3 +--
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index 19cc179be9a7..40476b227f8d 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -1,6 +1,6 @@
 		i	synthesize instructions events
 		y	synthesize cycles events
-		b	synthesize branches events (branch misses for Arm SPE)
+		b	synthesize branches events
 		c	synthesize branches events (calls only)
 		r	synthesize branches events (returns only)
 		x	synthesize transactions events
diff --git a/tools/perf/Documentation/perf-arm-spe.txt b/tools/perf/Documentation/perf-arm-spe.txt
index 0a3eda482307..de2b0b479249 100644
--- a/tools/perf/Documentation/perf-arm-spe.txt
+++ b/tools/perf/Documentation/perf-arm-spe.txt
@@ -187,7 +187,7 @@ groups:
   7 llc-access
   2 tlb-miss
   1K tlb-access
-  36 branch-miss
+  36 branch
   0 remote-access
   900 memory
 
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index a1895a4f530b..dddaf4f3ffed 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -75,7 +75,6 @@ enum itrace_period_type {
  *          (not fully accurate, since CYC packets are only emitted
  *          together with other events, such as branches)
  * @branches: whether to synthesize 'branches' events
- *            (branch misses only for Arm SPE)
  * @transactions: whether to synthesize events for transactions
  * @ptwrites: whether to synthesize events for ptwrites
  * @pwr_events: whether to synthesize power events
@@ -650,7 +649,7 @@ bool auxtrace__evsel_is_auxtrace(struct perf_session *session,
 #define ITRACE_HELP \
 "				i[period]:    		synthesize instructions events\n" \
 "				y[period]:    		synthesize cycles events (same period as i)\n" \
-"				b:	    		synthesize branches events (branch misses for Arm SPE)\n" \
+"				b:	    		synthesize branches events\n" \
 "				c:	    		synthesize branches events (calls only)\n"	\
 "				r:	    		synthesize branches events (returns only)\n" \
 "				x:	    		synthesize transactions events\n"		\
-- 
2.40.1