perf lock contention: Factor out lock_type_table

Move it out of get_type_str() so that we can reuse the table for others
later.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Blake Jones <blakejones@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221219201732.460111-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-lock.c

@@ -1437,12 +1437,10 @@ static void sort_result(void)
 	}
 }
 
-static const char *get_type_str(struct lock_stat *st)
-{
-	static const struct {
+static const struct {
 	unsigned int flags;
 	const char *name;
-	} table[] = {
+} lock_type_table[] = {
 	{ 0,				"semaphore" },
 	{ LCB_F_SPIN,			"spinlock" },
 	{ LCB_F_SPIN | LCB_F_READ,	"rwlock:R" },
@@ -1456,11 +1454,13 @@ static const char *get_type_str(struct lock_stat *st)
 	{ LCB_F_PERCPU | LCB_F_WRITE,	"pcpu-sem:W" },
 	{ LCB_F_MUTEX,			"mutex" },
 	{ LCB_F_MUTEX | LCB_F_SPIN,	"mutex" },
-	};
+};
 
-	for (unsigned int i = 0; i < ARRAY_SIZE(table); i++) {
-		if (table[i].flags == st->flags)
-			return table[i].name;
+static const char *get_type_str(unsigned int flags)
+{
+	for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) {
+		if (lock_type_table[i].flags == flags)
+			return lock_type_table[i].name;
 	}
 	return "unknown";
 }
@@ -1514,7 +1514,7 @@ static void print_contention_result(struct lock_contention *con)
 
 		switch (aggr_mode) {
 		case LOCK_AGGR_CALLER:
-			pr_info("  %10s   %s\n", get_type_str(st), st->name);
+			pr_info("  %10s   %s\n", get_type_str(st->flags), st->name);
 			break;
 		case LOCK_AGGR_TASK:
 			pid = st->addr;