adding mixed-clients test that uses fuse client and kernel client

in parallel.

Signed-off-by: tamil <tamil@tamil-VirtualBox.(none)>

suites/kcephfs/mixed-clients/clusters/fixed-3.yaml

@@ -0,0 +1,4 @@
+roles:
+- [mon.a, mds.a, osd.0, osd.1]
+- [mon.b, mon.c, osd.2, osd.3, client.0]
+- [client.1]

suites/kcephfs/mixed-clients/fs/btrfs.yaml

@@ -0,0 +1,6 @@
+overrides:
+  ceph:
+    fs: btrfs
+    conf:
+      osd:
+        osd op thread timeout: 60

suites/kcephfs/mixed-clients/tasks/kernel_cfuse_workunits_dbench_iozone.yaml

@@ -0,0 +1,21 @@
+tasks:
+- install:
+    branch: dumpling
+- ceph:
+- parallel:
+   - user-workload
+   - kclient-workload
+user-workload:
+  sequential:
+  - ceph-fuse: [client.0]
+  - workunit:
+      clients:
+         client.0:
+           - suites/iozone.sh
+kclient-workload:
+  sequential:
+  - kclient: [client.1]
+  - workunit:
+      clients:
+         client.1:
+           - suites/dbench.sh

suites/kcephfs/mixed-clients/tasks/kernel_cfuse_workunits_tiobench_iogen.yaml

@@ -0,0 +1,21 @@
+tasks:
+- install:
+    branch: dumpling
+- ceph:
+- parallel:
+   - user-workload
+   - kclient-workload
+user-workload:
+  sequential:
+  - ceph-fuse: [client.0]
+  - workunit:
+      clients:
+         client.0:
+           - suites/iogen.sh
+kclient-workload:
+  sequential:
+  - kclient: [client.1]
+  - workunit:
+      clients:
+         client.1:
+           - suites/tiobench.sh

suites/kcephfs/mixed-clients/tasks/kernel_cfuse_workunits_untarbuild_blogbench.yaml

@@ -0,0 +1,21 @@
+tasks:
+- install:
+    branch: dumpling
+- ceph:
+- parallel:
+   - user-workload
+   - kclient-workload
+user-workload:
+  sequential:
+  - ceph-fuse: [client.0]
+  - workunit:
+      clients:
+         client.0:
+           - suites/blogbench.sh
+kclient-workload:
+  sequential:
+  - kclient: [client.1]
+  - workunit:
+      clients:
+         client.1:
+           - kernel_untar_build.sh