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-rw-r--r--extmod/lwip-include/arch/perf.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/extmod/lwip-include/arch/perf.h b/extmod/lwip-include/arch/perf.h
new file mode 100644
index 0000000000..51710701a2
--- /dev/null
+++ b/extmod/lwip-include/arch/perf.h
@@ -0,0 +1,7 @@
+#ifndef __PERF_H__
+#define __PERF_H__
+
+#define PERF_START /* null definition */
+#define PERF_STOP(x) /* null definition */
+
+#endif /* __PERF_H__ */