2 files changed, 17 insertions, 0 deletions

diff --git a/include/applets.h b/include/applets.h
index d1bf0f36b..214e63aa2 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -74,6 +74,7 @@ USE_CHMOD(APPLET(chmod, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CHOWN(APPLET(chown, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CHPST(APPLET(chpst, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CHROOT(APPLET(chroot, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
+USE_CHRT(APPLET(chrt, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CHVT(APPLET(chvt, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CKSUM(APPLET(cksum, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CLEAR(APPLET(clear, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
diff --git a/include/usage.h b/include/usage.h
index d8faa4f12..4d1ecb8f5 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -382,6 +382,22 @@
 #define bbsh_full_usage \
        "The bbsh shell (command interpreter)"
 
+#define chrt_trivial_usage \
+        "[OPTION]... [prio] [pid | command [arg]...]"
+#define chrt_full_usage \
+        "manipulate real-time attributes of a process" \
+        "\n\nOptions:\n" \
+        "       -p      operate on pid\n" \
+        "       -r      set scheduling policy to SCHED_RR\n" \
+        "       -f      set scheduling policy to SCHED_FIFO\n" \
+        "       -o      set scheduling policy to SCHED_OTHER\n" \
+        "       -m      show min and max priorities"
+
+#define chrt_example_usage \
+        "$ chrt -r 4 sleep 900 ; x=$!\n" \
+        "$ chrt -f -p 3 $x\n" \
+        "You need CAP_SYS_NICE privileges to set scheduling attributes of a process"
+
 #define cp_trivial_usage \
        "[OPTION]... SOURCE DEST"
 #define cp_full_usage \