[PATCH V6 24/25] perf auxtrace: Add option to synthesize events for transactions

[Adrian Hunter]

Add AUX area tracing option 'x' to synthesize events for
transactions. This will be used by Intel PT to synthesize
an event record for each TSX start, commit or abort.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
 tools/perf/Documentation/perf-report.txt | 9 +++++----
 tools/perf/Documentation/perf-script.txt | 9 +++++----
 tools/perf/util/auxtrace.c               | 5 ++++-
 tools/perf/util/auxtrace.h               | 2 ++
 4 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index fa6f36b..dc41c93 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -326,11 +326,12 @@ OPTIONS
 		b	synthesize branches events
 		c	synthesize branches events (calls only)
 		r	synthesize branches events (returns only)
+		x	synthesize transactions events
 		e	synthesize error events
 		d	create a debug log
-		g	synthesize a call chain for instructions events
+		g	synthesize a call chain (use with i or x)
 
-	The default is all events i.e. the same as -Zibe
+	The default is all events i.e. the same as -Zibxe
 
 	In addition, the period (default 100000) for instructions events
 	can be specified in units of:
@@ -341,8 +342,8 @@ OPTIONS
 		us	microseconds
 		ns	nanoseconds (default)
 
-	Also the call chain size (default 16, max. 1024) for instructions
-	events can be specified.
+	Also the call chain size (default 16, max. 1024) for instructions or
+	transactions events can be specified.
 
 	To disable decoding entirely, use --no-itrace.
 
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 88da93a..b46f443c 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -223,11 +223,12 @@ OPTIONS
 		b	synthesize branches events
 		c	synthesize branches events (calls only)
 		r	synthesize branches events (returns only)
+		x	synthesize transactions events
 		e	synthesize error events
 		d	create a debug log
-		g	synthesize a call chain for instructions events
+		g	synthesize a call chain (use with i or x)
 
-	The default is all events i.e. the same as -Zibe
+	The default is all events i.e. the same as -Zibxe
 
 	In addition, the period (default 100000) for instructions events
 	can be specified in units of:
@@ -238,8 +239,8 @@ OPTIONS
 		us	microseconds
 		ns	nanoseconds (default)
 
-	Also the call chain size (default 16, max. 1024) for instructions
-	events can be specified.
+	Also the call chain size (default 16, max. 1024) for instructions or
+	transactions events can be specified.
 
 	To disable decoding entirely, use --no-itrace.
 
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index 5a95767..2308c6e 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -899,6 +899,7 @@ void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts)
 {
 	synth_opts->instructions = true;
 	synth_opts->branches = true;
+	synth_opts->transactions = true;
 	synth_opts->errors = true;
 	synth_opts->period_type = PERF_ITRACE_DEFAULT_PERIOD_TYPE;
 	synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD;
@@ -966,6 +967,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
 		case 'b':
 			synth_opts->branches = true;
 			break;
+		case 'x':
+			synth_opts->transactions = true;
+			break;
 		case 'e':
 			synth_opts->errors = true;
 			break;
@@ -981,7 +985,6 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
 			synth_opts->returns = true;
 			break;
 		case 'g':
-			synth_opts->instructions = true;
 			synth_opts->callchain = true;
 			synth_opts->callchain_sz =
 					PERF_ITRACE_DEFAULT_CALLCHAIN_SZ;
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 8441dee..f1137a5 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -54,6 +54,7 @@ enum itrace_period_type {
  *          because 'perf inject' will write it out
  * @instructions: whether to synthesize 'instructions' events
  * @branches: whether to synthesize 'branches' events
+ * @transactions: whether to synthesize events for transactions
  * @errors: whether to synthesize decoder error events
  * @dont_decode: whether to skip decoding entirely
  * @log: write a decoding log
@@ -69,6 +70,7 @@ struct itrace_synth_opts {
 	bool			inject;
 	bool			instructions;
 	bool			branches;
+	bool			transactions;
 	bool			errors;
 	bool			dont_decode;
 	bool			log;
-- 
1.9.1

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