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Message-ID: <20241022155920.17511-7-adrian.hunter@intel.com>
Date: Tue, 22 Oct 2024 18:59:12 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...hat.com>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Thomas Richter <tmricht@...ux.ibm.com>,
	Hendrik Brueckner <brueckner@...ux.ibm.com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Mike Leach <mike.leach@...aro.org>,
	James Clark <james.clark@....com>,
	coresight@...ts.linaro.org,
	linux-arm-kernel@...ts.infradead.org,
	Yicong Yang <yangyicong@...ilicon.com>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Will Deacon <will@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	x86@...nel.org,
	H Peter Anvin <hpa@...or.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org
Subject: [PATCH V14 06/11] perf tools: Add aux-action config term

Add a new common config term "aux-action" to use for configuring AUX area
trace pause / resume. The value is a string that will be parsed in a
subsequent patch.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Acked-by: Ian Rogers <irogers@...gle.com>
Reviewed-by: Andi Kleen <ak@...ux.intel.com>
---


Changes in V7:

	Add aux-action to perf_pmu__for_each_format


 tools/perf/util/evsel.c        |  2 ++
 tools/perf/util/evsel_config.h |  1 +
 tools/perf/util/parse-events.c | 10 ++++++++++
 tools/perf/util/parse-events.h |  1 +
 tools/perf/util/parse-events.l |  1 +
 tools/perf/util/pmu.c          |  1 +
 6 files changed, 16 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 14663ad14c53..8f7932cd5550 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1104,6 +1104,8 @@ static void evsel__apply_config_terms(struct evsel *evsel,
 		case EVSEL__CONFIG_TERM_AUX_OUTPUT:
 			attr->aux_output = term->val.aux_output ? 1 : 0;
 			break;
+		case EVSEL__CONFIG_TERM_AUX_ACTION:
+			break;
 		case EVSEL__CONFIG_TERM_AUX_SAMPLE_SIZE:
 			/* Already applied by auxtrace */
 			break;
diff --git a/tools/perf/util/evsel_config.h b/tools/perf/util/evsel_config.h
index aee6f808b512..af52a1516d0b 100644
--- a/tools/perf/util/evsel_config.h
+++ b/tools/perf/util/evsel_config.h
@@ -25,6 +25,7 @@ enum evsel_term_type {
 	EVSEL__CONFIG_TERM_BRANCH,
 	EVSEL__CONFIG_TERM_PERCORE,
 	EVSEL__CONFIG_TERM_AUX_OUTPUT,
+	EVSEL__CONFIG_TERM_AUX_ACTION,
 	EVSEL__CONFIG_TERM_AUX_SAMPLE_SIZE,
 	EVSEL__CONFIG_TERM_CFG_CHG,
 };
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 4507ae68198b..e01e13cfc403 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -795,6 +795,7 @@ const char *parse_events__term_type_str(enum parse_events__term_type term_type)
 		[PARSE_EVENTS__TERM_TYPE_DRV_CFG]		= "driver-config",
 		[PARSE_EVENTS__TERM_TYPE_PERCORE]		= "percore",
 		[PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT]		= "aux-output",
+		[PARSE_EVENTS__TERM_TYPE_AUX_ACTION]		= "aux-action",
 		[PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE]	= "aux-sample-size",
 		[PARSE_EVENTS__TERM_TYPE_METRIC_ID]		= "metric-id",
 		[PARSE_EVENTS__TERM_TYPE_RAW]                   = "raw",
@@ -844,6 +845,7 @@ config_term_avail(enum parse_events__term_type term_type, struct parse_events_er
 	case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
 	case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
 	case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
+	case PARSE_EVENTS__TERM_TYPE_AUX_ACTION:
 	case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
 	case PARSE_EVENTS__TERM_TYPE_RAW:
 	case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE:
@@ -963,6 +965,9 @@ do {									   \
 	case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
 		CHECK_TYPE_VAL(NUM);
 		break;
+	case PARSE_EVENTS__TERM_TYPE_AUX_ACTION:
+		CHECK_TYPE_VAL(STR);
+		break;
 	case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
 		CHECK_TYPE_VAL(NUM);
 		if (term->val.num > UINT_MAX) {
@@ -1081,6 +1086,7 @@ static int config_term_tracepoint(struct perf_event_attr *attr,
 	case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
 	case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
 	case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
+	case PARSE_EVENTS__TERM_TYPE_AUX_ACTION:
 	case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
 		return config_term_common(attr, term, err);
 	case PARSE_EVENTS__TERM_TYPE_USER:
@@ -1217,6 +1223,9 @@ do {								\
 			ADD_CONFIG_TERM_VAL(AUX_OUTPUT, aux_output,
 					    term->val.num ? 1 : 0, term->weak);
 			break;
+		case PARSE_EVENTS__TERM_TYPE_AUX_ACTION:
+			ADD_CONFIG_TERM_STR(AUX_ACTION, term->val.str, term->weak);
+			break;
 		case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
 			ADD_CONFIG_TERM_VAL(AUX_SAMPLE_SIZE, aux_sample_size,
 					    term->val.num, term->weak);
@@ -1279,6 +1288,7 @@ static int get_config_chgs(struct perf_pmu *pmu, struct parse_events_terms *head
 		case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
 		case PARSE_EVENTS__TERM_TYPE_PERCORE:
 		case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
+		case PARSE_EVENTS__TERM_TYPE_AUX_ACTION:
 		case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
 		case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
 		case PARSE_EVENTS__TERM_TYPE_RAW:
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 3f4334ec6231..e176a34ab088 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -74,6 +74,7 @@ enum parse_events__term_type {
 	PARSE_EVENTS__TERM_TYPE_DRV_CFG,
 	PARSE_EVENTS__TERM_TYPE_PERCORE,
 	PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT,
+	PARSE_EVENTS__TERM_TYPE_AUX_ACTION,
 	PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE,
 	PARSE_EVENTS__TERM_TYPE_METRIC_ID,
 	PARSE_EVENTS__TERM_TYPE_RAW,
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 14e5bd856a18..bf7f73548605 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -321,6 +321,7 @@ overwrite		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_OVERWRITE); }
 no-overwrite		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOOVERWRITE); }
 percore			{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_PERCORE); }
 aux-output		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT); }
+aux-action		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_ACTION); }
 aux-sample-size		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE); }
 metric-id		{ return term(yyscanner, PARSE_EVENTS__TERM_TYPE_METRIC_ID); }
 cpu-cycles|cycles				{ return hw_term(yyscanner, PERF_COUNT_HW_CPU_CYCLES); }
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 0789758598c0..a9b680479290 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1779,6 +1779,7 @@ int perf_pmu__for_each_format(struct perf_pmu *pmu, void *state, pmu_format_call
 		"no-overwrite",
 		"percore",
 		"aux-output",
+		"aux-action=(pause|resume|start-paused)",
 		"aux-sample-size=number",
 	};
 	struct perf_pmu_format *format;
-- 
2.43.0


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