1 files changed, 20 insertions, 0 deletions

diff --git a/tools/Makefile b/tools/Makefile
index feadfdd6da55..f87c0ec63e6c 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,5 +1,25 @@
 include scripts/Makefile.include
 
+help:
+        @echo 'Possible targets:'
+        @echo ''
+        @echo '  cpupower   - a tool for all things x86 CPU power'
+        @echo '  firewire   - the userspace part of nosy, an IEEE-1394 traffic sniffer'
+        @echo '  lguest     - a minimal 32-bit x86 hypervisor'
+        @echo '  perf       - Linux performance measurement and analysis tool'
+        @echo '  selftests  - various kernel selftests'
+        @echo '  turbostat  - Intel CPU idle stats and freq reporting tool'
+        @echo '  usb        - USB testing tools'
+        @echo '  virtio     - vhost test module'
+        @echo '  vm         - misc vm tools'
+        @echo '  x86_energy_perf_policy - Intel energy policy tool'
+        @echo ''
+        @echo 'Cleaning targets:'
+        @echo ''
+        @echo '  all of the above with the "_clean" string appended cleans'
+        @echo '    the respective build directory.'
+        @echo '  clean: a summary clean target to clean _all_ folders'
+
 cpupower: FORCE
         $(QUIET_SUBDIR0)power/$@/ $(QUIET_SUBDIR1)