1 files changed, 21 insertions, 6 deletions

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index ce0de00399da..26f5b2fe5dc8 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -579,16 +579,12 @@ static int write_version(int fd, struct perf_header *h __maybe_unused,
         return do_write_string(fd, perf_version_string);
 }
 
-static int write_cpudesc(int fd, struct perf_header *h __maybe_unused,
-                       struct perf_evlist *evlist __maybe_unused)
+static int __write_cpudesc(int fd, const char *cpuinfo_proc)
 {
-#ifndef CPUINFO_PROC
-#define CPUINFO_PROC NULL
-#endif
         FILE *file;
         char *buf = NULL;
         char *s, *p;
-        const char *search = CPUINFO_PROC;
+        const char *search = cpuinfo_proc;
         size_t len = 0;
         int ret = -1;
 
@@ -638,6 +634,25 @@ done:
         return ret;
 }
 
+static int write_cpudesc(int fd, struct perf_header *h __maybe_unused,
+                       struct perf_evlist *evlist __maybe_unused)
+{
+#ifndef CPUINFO_PROC
+#define CPUINFO_PROC {"model name", }
+#endif
+        const char *cpuinfo_procs[] = CPUINFO_PROC;
+        unsigned int i;
+
+        for (i = 0; i < ARRAY_SIZE(cpuinfo_procs); i++) {
+                int ret;
+                ret = __write_cpudesc(fd, cpuinfo_procs[i]);
+                if (ret >= 0)
+                        return ret;
+        }
+        return -1;
+}
+
+
 static int write_nrcpus(int fd, struct perf_header *h __maybe_unused,
                         struct perf_evlist *evlist __maybe_unused)
 {