2 files changed, 16 insertions, 0 deletions

diff --git a/include/applets.h b/include/applets.h
index 8c59507ce..2af2b49e7 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -46,6 +46,9 @@
 #ifdef BB_TEST
         APPLET_NOUSAGE("[", test_main, _BB_DIR_USR_BIN)
 #endif
+#ifdef BB_ADJTIMEX
+        APPLET(adjtimex, adjtimex_main, _BB_DIR_SBIN)
+#endif
 #ifdef BB_AR
         APPLET(ar, ar_main, _BB_DIR_USR_BIN)
 #endif
diff --git a/include/usage.h b/include/usage.h
index dc3b49816..8ec0170e2 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1,3 +1,16 @@
+#define adjtimex_trivial_usage \
+        "[-q] [-o offset] [-f frequency] [-p timeconstant] [-t tick]"
+#define adjtimex_full_usage \
+        "Reads and optionally sets system timebase parameters.\n" \
+        "See adjtimex(2).\n\n" \
+        "Options:\n" \
+        "\t-q\t\tquiet mode - do not print\n" \
+        "\t-o offset\ttime offset, microseconds\n" \
+        "\t-f frequency\tfrequency adjust, integer kernel units (65536 is 1ppm)\n" \
+        "\t\t\t(positive values make the system clock run fast)\n" \
+        "\t-t tick\t\tmicroseconds per tick, usually 10000\n" \
+        "\t-p timeconstant\n"
+
 #define ar_trivial_usage \
         "-[ovR]{ptx} archive filenames"
 #define ar_full_usage \