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-rw-r--r--tools/perf/util/cputopo.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/util/cputopo.c b/tools/perf/util/cputopo.c
index d275d843c155..511002e52714 100644
--- a/tools/perf/util/cputopo.c
+++ b/tools/perf/util/cputopo.c
@@ -157,6 +157,21 @@ void cpu_topology__delete(struct cpu_topology *tp)
free(tp);
}
+bool cpu_topology__smt_on(const struct cpu_topology *topology)
+{
+ for (u32 i = 0; i < topology->core_cpus_lists; i++) {
+ const char *cpu_list = topology->core_cpus_list[i];
+
+ /*
+ * If there is a need to separate siblings in a core then SMT is
+ * enabled.
+ */
+ if (strchr(cpu_list, ',') || strchr(cpu_list, '-'))
+ return true;
+ }
+ return false;
+}
+
static bool has_die_topology(void)
{
char filename[MAXPATHLEN];