perf tools: Allow building for tile

Tested by building perf:
- Cross-compiled for tile on x86_64
- Built natively on tile

Signed-off-by: Zhigang Lu <zlu@tilera.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index e84fa26bc1be..75caf680f6a8 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -139,6 +139,14 @@
 #define CPUINFO_PROC    "core ID"
 #endif
 
+#ifdef __tile__
+#define mb()            asm volatile ("mf" ::: "memory")
+#define wmb()           asm volatile ("mf" ::: "memory")
+#define rmb()           asm volatile ("mf" ::: "memory")
+#define cpu_relax()     asm volatile ("mfspr zero, PASS" ::: "memory")
+#define CPUINFO_PROC    "model name"
+#endif
+
 #define barrier() asm volatile ("" ::: "memory")
 
 #ifndef cpu_relax