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-rw-r--r--tools/perf/util/env.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 6276b340f893..6d311868d850 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);
+}