[Xen-devel] [PATCH v2] OSSTest: stop testing SEDF, start testing RTDS

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

the SEDF scheduler is about to be deprecated and go
away (see [1]). OTOH, the RTDS scheduler is here to
stay.

It therefore makes sense to stop smoke testing the
former in favour of the latter. Note that the
-sedf-pin jobs where only added in order to try to
debug a long standing issue with SEDF; it is not
necessary to have anything like that for RTDS.

For now, as RTDS is still marked as experimental,
test failures are allowed, as it is for SEDF.

Also, RTDS was introduced in Xen 4.5, so add the
test only for the relevant brnaches. Similarly,
SEDF is removed in Xen 4.6, so keep testing it in
older branches.

[1] http://lists.xen.org/archives/html/xen-devel/2015-05/msg02874.html
---
Attached, a diff (between before and after applying
the patch) of the output of:
./standalone-generate-dump-flight-runvars xen-unstable xen-4.5-testing 
xen-4.4-testing xen-4.3-testing

v1 was here:
http://lists.xenproject.org/archives/html/xen-devel/2015-05/msg03050.html

Changes from v1:
 * gate the new test (and the disabling of the
   old one) on the actual Xen version

diff --git a/allow.all b/allow.all
index f0bbdd3..88a3038 100644
--- a/allow.all
+++ b/allow.all
@@ -1,4 +1,5 @@
 test-@@-sedf@@
+test-@@-rtds@@
 build-@@                        logs-capture@@
 test-@@-pcipt@@
 test-@@-qemuu-@@               guest-localmigrate
diff --git a/make-flight b/make-flight
index 78ace52..31cb942 100755
--- a/make-flight
+++ b/make-flight
@@ -275,7 +275,7 @@ do_hvm_rhel6_tests () {
 }
 
 do_sedf_tests () {
-  if [ $xenarch != $dom0arch ]; then
+  if [ $xenarch != $dom0arch -o x$test_sedf != xy ]; then
     return
   fi
 
@@ -300,6 +300,17 @@ do_credit2_tests () {
             $debian_runvars all_hostflags=$most_hostflags
 }
 
+do_rtds_tests () {
+  if [ $xenarch != $dom0arch -o x$test_rtds != xy ]; then
+    return
+  fi
+
+  job_create_test test-$xenarch$kern-$dom0arch-xl-rtds                \
+       test-debian xl $xenarch $dom0arch                              \
+            guests_vcpus=4 xen_boot_append='sched=rtds'               \
+            $debian_runvars all_hostflags=$most_hostflags
+}
+
 do_multivcpu_tests () {
   if [ $xenarch != $dom0arch ]; then
     return
@@ -362,7 +373,21 @@ test_matrix_do_one () {
   do_pv_debian_tests
 
   do_multivcpu_tests
+
+  # RTDS came in 4.4, while SEDF is going away in 4.6
+  case "$xenbranch" in
+  xen-3.*-testing) test_sedf=y; test_rtds=n ;;
+  xen-4.0-testing) test_sedf=y; test_rtds=n ;;
+  xen-4.1-testing) test_sedf=y; test_rtds=n ;;
+  xen-4.2-testing) test_sedf=y; test_rtds=n ;;
+  xen-4.3-testing) test_sedf=y; test_rtds=n ;;
+  xen-4.4-testing) test_sedf=y; test_rtds=n ;;
+  xen-4.5-testing) test_sedf=y; test_rtds=y ;;
+  *)               test_sedf=n; test_rtds=y ;;
+  esac
+
   do_sedf_tests
+  do_rtds_tests
   do_credit2_tests
 
   # No further arm tests at the moment

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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