diff --git a/include/ircd/info.h b/include/ircd/info.h
index 1e9abfc77..fd118c214 100644
--- a/include/ircd/info.h
+++ b/include/ircd/info.h
@@ -51,6 +51,7 @@ namespace ircd::info
 	extern const versions sd6_version;
 
 	// System configuration / information
+	extern const size_t clk_tck;
 	extern const string_view clock_source;
 	extern const size_t aio_reqprio_max;
 	extern const size_t aio_max;
diff --git a/ircd/info.cc b/ircd/info.cc
index 9bd626273..da93e5f99 100644
--- a/ircd/info.cc
+++ b/ircd/info.cc
@@ -944,6 +944,20 @@ ircd::info::vdso_p
 // System configuration
 //
 
+#ifdef _SC_CLK_TCK
+decltype(ircd::info::clk_tck)
+ircd::info::clk_tck
+{
+	size_t(syscall(::sysconf, _SC_CLK_TCK))
+};
+#else
+decltype(ircd::info::clk_tck)
+ircd::info::clk_tck
+{
+	1 // prevent #DE
+};
+#endif
+
 static char ircd_info_clock_source[32];
 decltype(ircd::info::clock_source)
 ircd::info::clock_source