1 files changed, 9 insertions, 0 deletions
diff --git a/runtime/stat.h b/runtime/stat.h
index 95872758..4357abb4 100644
--- a/runtime/stat.h
+++ b/runtime/stat.h
@@ -15,6 +15,15 @@
 #define NEED_STAT_LOCKS 0
 #endif
 
+/* maximum buckets for a linear histogram */
+#ifndef STP_MAX_BUCKETS
+#define STP_MAX_BUCKETS 128
+#endif
+
+/* buckets for log histogram. */
+#define HIST_LOG_BUCKETS 128
+#define HIST_LOG_BUCKET0 64
+
 /** histogram type */
 enum histtype { HIST_NONE, HIST_LOG, HIST_LINEAR };