summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--tools/perf/util/env.c16
-rw-r--r--tools/perf/util/env.h1
2 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 3baca06786fb..2a91a10ccfcc 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -2,6 +2,7 @@
#include "cpumap.h"
#include "debug.h"
#include "env.h"
+#include "util/header.h"
#include <linux/ctype.h>
#include <linux/zalloc.h>
#include "bpf-event.h"
@@ -256,6 +257,21 @@ int perf_env__read_cpu_topology_map(struct perf_env *env)
return 0;
}
+int perf_env__read_cpuid(struct perf_env *env)
+{
+ char cpuid[128];
+ int err = get_cpuid(cpuid, sizeof(cpuid));
+
+ if (err)
+ return err;
+
+ free(env->cpuid);
+ env->cpuid = strdup(cpuid);
+ if (env->cpuid == NULL)
+ return ENOMEM;
+ return 0;
+}
+
static int perf_env__read_arch(struct perf_env *env)
{
struct utsname uts;
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index db40906e2937..a3059dc1abe5 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -104,6 +104,7 @@ void perf_env__exit(struct perf_env *env);
int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
+int perf_env__read_cpuid(struct perf_env *env);
int perf_env__read_cpu_topology_map(struct perf_env *env);
void cpu_cache_level__free(struct cpu_cache_level *cache);