polish testing a bit further

README.adoc

@@ -3172,11 +3172,17 @@ Result on <<p51>> at bad30f513c46c1b0995d3a10c0d9bc2a33dc4fa0:
 Automatically run non-interactive userland tests that can be run in user mode simulation:
 
 ....
-./build-userland --all-archs --all-emulators
-./build-userland --all-archs --all-emulators --static --userland-build-id static
+./build --all-archs test-user-mode
 ./test-user-mode --all-archs --all-emulators
 ....
 
+Or just for QEMU:
+
+....
+./build --all-archs test-user-mode-qemu
+./test-user-mode --all-archs --emulator qemu
+....
+
 Source: link:test-user-mode[]
 
 This testing excludes notably kernel module tests which depend on a full running kernel.
@@ -6695,6 +6701,8 @@ Bibliography:
 
 ==== Count boot instructions
 
+TODO: didn't port during refactor after 3b0a343647bed577586989fb702b760bd280844a. Reimplementing should not be hard.
+
 * https://www.quora.com/How-many-instructions-does-a-typical-Linux-kernel-boot-take
 * https://github.com/cirosantilli/chat/issues/31
 * https://rwmj.wordpress.com/2016/03/17/tracing-qemu-guest-execution/
@@ -10975,6 +10983,8 @@ make CROSS_COMPILE_DIR=/usr/bin
 
 == Benchmark this repo
 
+TODO: didn't fully port during refactor after 3b0a343647bed577586989fb702b760bd280844a. Reimplementing should not be hard.
+
 In this section document how benchmark builds and runs of this repo, and how to investigate what the bottleneck is.
 
 Ideally, we should setup an automated build server that benchmarks those things continuously for us, but our <<travis>> attempt failed.