Implement get_count_order in lttng utils

[lttng-tools.git] / src / bin / lttng / utils.h

diff --git a/src/bin/lttng/utils.h b/src/bin/lttng/utils.h
index 9f7bfcca1053544e5ebad5d0b52b36f3943ff97a..57bec1250fe1ea237b0e6913b0160bd83b3c646c 100644 (file)
--- a/src/bin/lttng/utils.h
+++ b/src/bin/lttng/utils.h
@@ -23,4 +23,22 @@
 char *get_session_name(void);
 void list_cmd_options(FILE *ofp, struct poptOption *options);
 
+/*
+ * Return the minimum order for which x <= (1UL << order).
+ * Return -1 if x is 0.
+ */
+int get_count_order_u32(uint32_t x);
+
+/*
+ * Return the minimum order for which x <= (1UL << order).
+ * Return -1 if x is 0.
+ */
+int get_count_order_u64(uint64_t x);
+
+/*
+ * Return the minimum order for which x <= (1UL << order).
+ * Return -1 if x is 0.
+ */
+int get_count_order_ulong(unsigned long x);
+
 #endif /* _LTTNG_UTILS_H */