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Date:   Fri,  6 May 2022 22:34:07 -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>,
        Riccardo Mancini <rickyman7@...il.com>,
        Kim Phillips <kim.phillips@....com>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Shunsuke Nakamura <nakamura.shun@...itsu.com>,
        Florian Fischer <florian.fischer@...q.space>,
        Andi Kleen <ak@...ux.intel.com>,
        John Garry <john.garry@...wei.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        James Clark <james.clark@....com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH 2/5] perf evsel: Constify a few arrays

Remove public definition of evsel__tool_names.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/evsel-roundtrip-name.c |  2 +-
 tools/perf/util/evsel.c                 | 14 +++++++-------
 tools/perf/util/evsel.h                 | 11 +++++------
 tools/perf/util/parse-events.c          |  2 +-
 4 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c
index fdbf17642e45..9d3c64974f77 100644
--- a/tools/perf/tests/evsel-roundtrip-name.c
+++ b/tools/perf/tests/evsel-roundtrip-name.c
@@ -64,7 +64,7 @@ static int perf_evsel__roundtrip_cache_name_test(void)
 	return ret;
 }
 
-static int __perf_evsel__name_array_test(const char *names[], int nr_names,
+static int __perf_evsel__name_array_test(const char *const names[], int nr_names,
 					 int distance)
 {
 	int i, err;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index d38722560e80..cdeace24d9be 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -486,7 +486,7 @@ struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx)
 	return ERR_PTR(err);
 }
 
-const char *evsel__hw_names[PERF_COUNT_HW_MAX] = {
+const char *const evsel__hw_names[PERF_COUNT_HW_MAX] = {
 	"cycles",
 	"instructions",
 	"cache-references",
@@ -571,7 +571,7 @@ static int evsel__hw_name(struct evsel *evsel, char *bf, size_t size)
 	return r + evsel__add_modifiers(evsel, bf + r, size - r);
 }
 
-const char *evsel__sw_names[PERF_COUNT_SW_MAX] = {
+const char *const evsel__sw_names[PERF_COUNT_SW_MAX] = {
 	"cpu-clock",
 	"task-clock",
 	"page-faults",
@@ -597,7 +597,7 @@ static int evsel__sw_name(struct evsel *evsel, char *bf, size_t size)
 	return r + evsel__add_modifiers(evsel, bf + r, size - r);
 }
 
-const char *evsel__tool_names[PERF_TOOL_MAX] = {
+static const char *const evsel__tool_names[PERF_TOOL_MAX] = {
 	"duration_time",
 	"user_time",
 	"system_time",
@@ -633,7 +633,7 @@ static int evsel__bp_name(struct evsel *evsel, char *bf, size_t size)
 	return r + evsel__add_modifiers(evsel, bf + r, size - r);
 }
 
-const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES] = {
+const char *const evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES] = {
  { "L1-dcache",	"l1-d",		"l1d",		"L1-data",		},
  { "L1-icache",	"l1-i",		"l1i",		"L1-instruction",	},
  { "LLC",	"L2",							},
@@ -643,13 +643,13 @@ const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES] = {
  { "node",								},
 };
 
-const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES] = {
+const char *const evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES] = {
  { "load",	"loads",	"read",					},
  { "store",	"stores",	"write",				},
  { "prefetch",	"prefetches",	"speculative-read", "speculative-load",	},
 };
 
-const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES] = {
+const char *const evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES] = {
  { "refs",	"Reference",	"ops",		"access",		},
  { "misses",	"miss",							},
 };
@@ -665,7 +665,7 @@ const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_AL
  * L1I : Read and prefetch only
  * ITLB and BPU : Read-only
  */
-static unsigned long evsel__hw_cache_stat[C(MAX)] = {
+static const unsigned long evsel__hw_cache_stat[C(MAX)] = {
  [C(L1D)]	= (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
  [C(L1I)]	= (CACHE_READ | CACHE_PREFETCH),
  [C(LL)]	= (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 45d674812239..a017781cdd47 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -257,12 +257,11 @@ static inline bool evsel__is_bpf(struct evsel *evsel)
 
 #define EVSEL__MAX_ALIASES 8
 
-extern const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES];
-extern const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES];
-extern const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES];
-extern const char *evsel__hw_names[PERF_COUNT_HW_MAX];
-extern const char *evsel__sw_names[PERF_COUNT_SW_MAX];
-extern const char *evsel__tool_names[PERF_TOOL_MAX];
+extern const char *const evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES];
+extern const char *const evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES];
+extern const char *const evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES];
+extern const char *const evsel__hw_names[PERF_COUNT_HW_MAX];
+extern const char *const evsel__sw_names[PERF_COUNT_SW_MAX];
 extern char *evsel__bpf_counter_events;
 bool evsel__match_bpf_counter_events(const char *name);
 
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 937f6c9434a2..30a9d915853d 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -426,7 +426,7 @@ static int add_event_tool(struct list_head *list, int *idx,
 	return 0;
 }
 
-static int parse_aliases(char *str, const char *names[][EVSEL__MAX_ALIASES], int size)
+static int parse_aliases(char *str, const char *const names[][EVSEL__MAX_ALIASES], int size)
 {
 	int i, j;
 	int n, longest = -1;
-- 
2.36.0.512.ge40c2bad7a-goog

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