Signed-off-by: Baruch Siach <bar...@tkos.co.il>
---
v2: use the "core ID" field from /proc/cpuinfo (Max Filippov)
---
tools/perf/perf.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index b079304bd53d..e441864dbe03 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -132,6 +132,13 @@
#define CPUINFO_PROC "CPU"
#endif
+#ifdef __xtensa__
+#define mb() asm volatile("memw" ::: "memory")
+#define wmb() asm volatile("memw" ::: "memory")
+#define rmb() asm volatile("" ::: "memory")
+#define CPUINFO_PROC "core ID"
+#endif
+
#define barrier() asm volatile ("" ::: "memory")
#ifndef cpu_relax
--
1.8.5.2
--
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