[PATCH v2 14/16] perf parse-event: Constify event_symbol arrays

Ian Rogers
2024-04-16T07:30:47Z

Moves 352 bytes from .data to .data.rel.ro.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/parse-events.c | 4 ++--
tools/perf/util/parse-events.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 3ab533d0e653..8d3d692d219d 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -39,7 +39,7 @@ static int get_config_terms(const struct parse_events_terms *head_config,
static int parse_events_terms__copy(const struct parse_events_terms *src,
struct parse_events_terms *dest);

-struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
+const struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = {
.symbol = "cpu-cycles",
.alias = "cycles",
@@ -82,7 +82,7 @@ struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
},
};

-struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
+const struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
[PERF_COUNT_SW_CPU_CLOCK] = {
.symbol = "cpu-clock",
.alias = "",
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index f104faef1a78..0bb5f0c80a5e 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -250,8 +250,8 @@ struct event_symbol {
const char *symbol;
const char *alias;
};
-extern struct event_symbol event_symbols_hw[];
-extern struct event_symbol event_symbols_sw[];
+extern const struct event_symbol event_symbols_hw[];
+extern const struct event_symbol event_symbols_sw[];

char *parse_events_formats_error_string(char *additional_terms);