linux-kernel - [PATCH v1 07/25] perf pmu: Avoid passing format list to perf_pmu__format

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Date:   Wed, 23 Aug 2023 01:08:10 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        James Clark <james.clark@....com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        John Garry <john.g.garry@...cle.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Rob Herring <robh@...nel.org>,
        Gaosheng Cui <cuigaosheng1@...wei.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 07/25] perf pmu: Avoid passing format list to perf_pmu__format_bits

Pass the pmu so the format list can be better abstracted and later
lazily loaded.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/arch/x86/util/intel-pt.c | 7 +++----
 tools/perf/util/parse-events.c      | 2 +-
 tools/perf/util/pmu.c               | 6 +++---
 tools/perf/util/pmu.h               | 2 +-
 4 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index 0da76f848cbc..27944c15ac14 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -122,7 +122,7 @@ static int intel_pt_read_config(struct perf_pmu *intel_pt_pmu, const char *str,
 
 	*res = 0;
 
-	mask = perf_pmu__format_bits(&intel_pt_pmu->format, str);
+	mask = perf_pmu__format_bits(intel_pt_pmu, str);
 	if (!mask)
 		return -EINVAL;
 
@@ -346,8 +346,7 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
 	intel_pt_parse_terms(intel_pt_pmu, "tsc", &tsc_bit);
 	intel_pt_parse_terms(intel_pt_pmu, "noretcomp", &noretcomp_bit);
 	intel_pt_parse_terms(intel_pt_pmu, "mtc", &mtc_bit);
-	mtc_freq_bits = perf_pmu__format_bits(&intel_pt_pmu->format,
-					      "mtc_period");
+	mtc_freq_bits = perf_pmu__format_bits(intel_pt_pmu, "mtc_period");
 	intel_pt_parse_terms(intel_pt_pmu, "cyc", &cyc_bit);
 
 	intel_pt_tsc_ctc_ratio(&tsc_ctc_ratio_n, &tsc_ctc_ratio_d);
@@ -502,7 +501,7 @@ static int intel_pt_val_config_term(struct perf_pmu *intel_pt_pmu, int dirfd,
 
 	valid |= 1;
 
-	bits = perf_pmu__format_bits(&intel_pt_pmu->format, name);
+	bits = perf_pmu__format_bits(intel_pt_pmu, name);
 
 	config &= bits;
 
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 8ede27089766..7d9d687d9191 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1162,7 +1162,7 @@ static int get_config_chgs(struct perf_pmu *pmu, struct list_head *head_config,
 			type = perf_pmu__format_type(pmu, term->config);
 			if (type != PERF_PMU_FORMAT_VALUE_CONFIG)
 				continue;
-			bits |= perf_pmu__format_bits(&pmu->format, term->config);
+			bits |= perf_pmu__format_bits(pmu, term->config);
 			break;
 		case PARSE_EVENTS__TERM_TYPE_CONFIG:
 			bits = ~(u64)0;
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 96189afe54b0..1839c3668ec5 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1000,7 +1000,7 @@ void evsel__set_config_if_unset(struct perf_pmu *pmu, struct evsel *evsel,
 	if (term)
 		user_bits = term->val.cfg_chg;
 
-	bits = perf_pmu__format_bits(&pmu->format, config_name);
+	bits = perf_pmu__format_bits(pmu, config_name);
 
 	/* Do nothing if the user changed the value */
 	if (bits & user_bits)
@@ -1023,9 +1023,9 @@ pmu_find_format(struct list_head *formats, const char *name)
 	return NULL;
 }
 
-__u64 perf_pmu__format_bits(struct list_head *formats, const char *name)
+__u64 perf_pmu__format_bits(struct perf_pmu *pmu, const char *name)
 {
-	struct perf_pmu_format *format = pmu_find_format(formats, name);
+	struct perf_pmu_format *format = pmu_find_format(&pmu->format, name);
 	__u64 bits = 0;
 	int fbit;
 
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 1ea78d2fa531..1249fca02ffd 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -221,7 +221,7 @@ int perf_pmu__config_terms(struct perf_pmu *pmu,
 			   struct perf_event_attr *attr,
 			   struct list_head *head_terms,
 			   bool zero, struct parse_events_error *error);
-__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
+__u64 perf_pmu__format_bits(struct perf_pmu *pmu, const char *name);
 int perf_pmu__format_type(struct perf_pmu *pmu, const char *name);
 int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
 			  struct perf_pmu_info *info);
-- 
2.42.0.rc1.204.g551eb34607-goog