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-rw-r--r--tools/perf/util/cputopo.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/util/cputopo.h b/tools/perf/util/cputopo.h
index d9af97177068..4ec9cb192c3d 100644
--- a/tools/perf/util/cputopo.h
+++ b/tools/perf/util/cputopo.h
@@ -5,10 +5,17 @@
#include <linux/types.h>
struct cpu_topology {
- u32 core_sib;
+ /* The number of unique package_cpus_lists below. */
+ u32 package_cpus_lists;
u32 die_sib;
u32 thread_sib;
- char **core_siblings;
+ /*
+ * An array of strings where each string is unique and read from
+ * /sys/devices/system/cpu/cpuX/topology/package_cpus_list. From the ABI
+ * each of these is a human-readable list of CPUs sharing the same
+ * physical_package_id. The format is like 0-3, 8-11, 14,17.
+ */
+ const char **package_cpus_list;
char **die_siblings;
char **thread_siblings;
};