linux-kernel - [PATCH v1 5/7] perf pmu: Const-ify perf_pmu__config

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Message-Id: <20231007021326.4156714-6-irogers@google.com>
Date:   Fri,  6 Oct 2023 19:13:24 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        James Clark <james.clark@....com>,
        Leo Yan <leo.yan@...aro.org>,
        John Garry <john.g.garry@...cle.com>,
        Will Deacon <will@...nel.org>,
        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>,
        Thomas Richter <tmricht@...ux.ibm.com>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Yang Jihong <yangjihong1@...wei.com>,
        coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 5/7] perf pmu: Const-ify perf_pmu__config_terms

Add const to related APIs, this is so they can be used to default
initialize a perf_event_attr from a const pmu.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/util/pmu.c | 10 +++++-----
 tools/perf/util/pmu.h |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index e11901c923d7..eb17f00bd0d2 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -156,7 +156,7 @@ static void __perf_pmu_format__load(struct perf_pmu_format *format, FILE *file)
 	format->loaded = true;
 }
 
-static void perf_pmu_format__load(struct perf_pmu *pmu, struct perf_pmu_format *format)
+static void perf_pmu_format__load(const struct perf_pmu *pmu, struct perf_pmu_format *format)
 {
 	char path[PATH_MAX];
 	FILE *file = NULL;
@@ -1132,7 +1132,7 @@ void evsel__set_config_if_unset(struct perf_pmu *pmu, struct evsel *evsel,
 }
 
 static struct perf_pmu_format *
-pmu_find_format(struct list_head *formats, const char *name)
+pmu_find_format(const struct list_head *formats, const char *name)
 {
 	struct perf_pmu_format *format;
 
@@ -1230,7 +1230,7 @@ static int pmu_resolve_param_term(struct parse_events_term *term,
 	return -1;
 }
 
-static char *pmu_formats_string(struct list_head *formats)
+static char *pmu_formats_string(const struct list_head *formats)
 {
 	struct perf_pmu_format *format;
 	char *str = NULL;
@@ -1256,7 +1256,7 @@ static char *pmu_formats_string(struct list_head *formats)
  * Setup one of config[12] attr members based on the
  * user input data - term parameter.
  */
-static int pmu_config_term(struct perf_pmu *pmu,
+static int pmu_config_term(const struct perf_pmu *pmu,
 			   struct perf_event_attr *attr,
 			   struct parse_events_term *term,
 			   struct parse_events_terms *head_terms,
@@ -1379,7 +1379,7 @@ static int pmu_config_term(struct perf_pmu *pmu,
 	return 0;
 }
 
-int perf_pmu__config_terms(struct perf_pmu *pmu,
+int perf_pmu__config_terms(const struct perf_pmu *pmu,
 			   struct perf_event_attr *attr,
 			   struct parse_events_terms *terms,
 			   bool zero, struct parse_events_error *err)
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 24af7297b522..5a05131aa4ce 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -193,7 +193,7 @@ void pmu_add_sys_aliases(struct perf_pmu *pmu);
 int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
 		     struct parse_events_terms *head_terms,
 		     struct parse_events_error *error);
-int perf_pmu__config_terms(struct perf_pmu *pmu,
+int perf_pmu__config_terms(const struct perf_pmu *pmu,
 			   struct perf_event_attr *attr,
 			   struct parse_events_terms *terms,
 			   bool zero, struct parse_events_error *error);
-- 
2.42.0.609.gbb76f46606-goog