From 4acef67646f35e14d202d5f534c0fd68d7691b22 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 1 Dec 2023 17:07:34 -0300
Subject: perf env: Cache the arch specific strerrno function in
 perf_env__arch_strerrno()

So that we don't have to go thru the series of strcmp(arch) calls for
each id -> string translation.

Reviewed-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/20231201203046.486596-3-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/env.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'tools/perf/util/env.h')

diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index 79f371879f45..bf7e3c4c211f 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -53,6 +53,10 @@ struct pmu_caps {
 	char            *pmu_name;
 };
 
+typedef const char *(arch_syscalls__strerrno_t)(int err);
+
+arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch);
+
 struct perf_env {
 	char			*hostname;
 	char			*os_release;
@@ -135,6 +139,7 @@ struct perf_env {
 		 */
 		bool	enabled;
 	} clock;
+	arch_syscalls__strerrno_t *arch_strerrno;
 };
 
 enum perf_compress_type {
-- 
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