diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index 8c0cfeb55f8e54ed2dbb31938eb11154b1b8fe7f..c6f373508a4f8c4d47c1a3547e22868bcc1e07fd 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -1,12 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
-#include <sys/utsname.h>
 #include "common.h"
+#include "../util/env.h"
 #include "../util/util.h"
 #include "../util/debug.h"
 
-#include "sane_ctype.h"
-
 const char *const arm_triplets[] = {
 	"arm-eabi-",
 	"arm-linux-androideabi-",
@@ -120,55 +118,19 @@ static int lookup_triplets(const char *const *triplets, const char *name)
 	return -1;
 }
 
-/*
- * Return architecture name in a normalized form.
- * The conversion logic comes from the Makefile.
- */
-const char *normalize_arch(char *arch)
-{
-	if (!strcmp(arch, "x86_64"))
-		return "x86";
-	if (arch[0] == 'i' && arch[2] == '8' && arch[3] == '6')
-		return "x86";
-	if (!strcmp(arch, "sun4u") || !strncmp(arch, "sparc", 5))
-		return "sparc";
-	if (!strcmp(arch, "aarch64") || !strcmp(arch, "arm64"))
-		return "arm64";
-	if (!strncmp(arch, "arm", 3) || !strcmp(arch, "sa110"))
-		return "arm";
-	if (!strncmp(arch, "s390", 4))
-		return "s390";
-	if (!strncmp(arch, "parisc", 6))
-		return "parisc";
-	if (!strncmp(arch, "powerpc", 7) || !strncmp(arch, "ppc", 3))
-		return "powerpc";
-	if (!strncmp(arch, "mips", 4))
-		return "mips";
-	if (!strncmp(arch, "sh", 2) && isdigit(arch[2]))
-		return "sh";
-
-	return arch;
-}
-
 static int perf_env__lookup_binutils_path(struct perf_env *env,
 					  const char *name, const char **path)
 {
 	int idx;
-	const char *arch, *cross_env;
-	struct utsname uts;
+	const char *arch = perf_env__arch(env), *cross_env;
 	const char *const *path_list;
 	char *buf = NULL;
 
-	arch = normalize_arch(env->arch);
-
-	if (uname(&uts) < 0)
-		goto out;
-
 	/*
 	 * We don't need to try to find objdump path for native system.
 	 * Just use default binutils path (e.g.: "objdump").
 	 */
-	if (!strcmp(normalize_arch(uts.machine), arch))
+	if (!strcmp(perf_env__arch(NULL), arch))
 		goto out;
 
 	cross_env = getenv("CROSS_COMPILE");
diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h
index a1546509ad245b37bb27f5e461dba698ce8ac340..2d875baa92e68fbdd025f90f2a4a13f963613a9f 100644
--- a/tools/perf/arch/common.h
+++ b/tools/perf/arch/common.h
@@ -7,6 +7,5 @@
 extern const char *objdump_path;
 
 int perf_env__lookup_objdump(struct perf_env *env);
-const char *normalize_arch(char *arch);
 
 #endif /* ARCH_PERF_COMMON_H */
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index eac45ccd5c322ac287de624124a392587b1269e4..68e687d1bf99a2d8d4e642c441e733bf3c2e0e16 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -26,7 +26,6 @@
 #include <pthread.h>
 #include <linux/bitops.h>
 #include <linux/kernel.h>
-#include <sys/utsname.h>
 
 #include "sane_ctype.h"
 
@@ -1420,21 +1419,6 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil
 	return 0;
 }
 
-static const char *perf_env__arch(struct perf_env *env)
-{
-	struct utsname uts;
-	char *arch_name;
-
-	if (!env) { /* Assume local operation */
-		if (uname(&uts) < 0)
-			return NULL;
-		arch_name = uts.machine;
-	} else
-		arch_name = env->arch;
-
-	return normalize_arch(arch_name);
-}
-
 static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
 {
 	struct map *map = args->map;
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 6276b340f893e9afd7eed80c71cdd5f1987e8f96..6d311868d8502bb87dc3caa875d29f60a08a3e4b 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -1,8 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "cpumap.h"
 #include "env.h"
+#include "sane_ctype.h"
 #include "util.h"
 #include <errno.h>
+#include <sys/utsname.h>
 
 struct perf_env perf_env;
 
@@ -93,3 +95,48 @@ void cpu_cache_level__free(struct cpu_cache_level *cache)
 	free(cache->map);
 	free(cache->size);
 }
+
+/*
+ * Return architecture name in a normalized form.
+ * The conversion logic comes from the Makefile.
+ */
+static const char *normalize_arch(char *arch)
+{
+	if (!strcmp(arch, "x86_64"))
+		return "x86";
+	if (arch[0] == 'i' && arch[2] == '8' && arch[3] == '6')
+		return "x86";
+	if (!strcmp(arch, "sun4u") || !strncmp(arch, "sparc", 5))
+		return "sparc";
+	if (!strcmp(arch, "aarch64") || !strcmp(arch, "arm64"))
+		return "arm64";
+	if (!strncmp(arch, "arm", 3) || !strcmp(arch, "sa110"))
+		return "arm";
+	if (!strncmp(arch, "s390", 4))
+		return "s390";
+	if (!strncmp(arch, "parisc", 6))
+		return "parisc";
+	if (!strncmp(arch, "powerpc", 7) || !strncmp(arch, "ppc", 3))
+		return "powerpc";
+	if (!strncmp(arch, "mips", 4))
+		return "mips";
+	if (!strncmp(arch, "sh", 2) && isdigit(arch[2]))
+		return "sh";
+
+	return arch;
+}
+
+const char *perf_env__arch(struct perf_env *env)
+{
+	struct utsname uts;
+	char *arch_name;
+
+	if (!env) { /* Assume local operation */
+		if (uname(&uts) < 0)
+			return NULL;
+		arch_name = uts.machine;
+	} else
+		arch_name = env->arch;
+
+	return normalize_arch(arch_name);
+}
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index 1eb35b190b3423e44ef34797c7fa5097d719f956..bf970f57dce0caa63ce85a55e7784217044fe80d 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -65,4 +65,6 @@ int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
 int perf_env__read_cpu_topology_map(struct perf_env *env);
 
 void cpu_cache_level__free(struct cpu_cache_level *cache);
+
+const char *perf_env__arch(struct perf_env *env);
 #endif /* __PERF_ENV_H */
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 647a1e6b4c7b723ea06282e8547090e792931933..b029a5e9ae4990c06d737f012973fcc79034f16c 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -3,7 +3,7 @@
 #include "thread.h"
 #include "session.h"
 #include "debug.h"
-#include "arch/common.h"
+#include "env.h"
 
 struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops;
 struct unwind_libunwind_ops __weak *x86_32_unwind_libunwind_ops;
@@ -39,7 +39,7 @@ int unwind__prepare_access(struct thread *thread, struct map *map,
 	if (dso_type == DSO__TYPE_UNKNOWN)
 		return 0;
 
-	arch = normalize_arch(thread->mg->machine->env->arch);
+	arch = perf_env__arch(thread->mg->machine->env);
 
 	if (!strcmp(arch, "x86")) {
 		if (dso_type != DSO__TYPE_64BIT)