qa/suites/rados/perf: add cosbench workloads

Signed-off-by: Neha Ojha <nojha@redhat.com>

qa/suites/rados/perf/ceph.yaml

@@ -10,4 +10,5 @@ tasks:
       - \(OSD_
       - \(OBJECT_
       - overall HEALTH
+- rgw: [client.0]
 - ssh_keys:

qa/suites/rados/perf/workloads/cosbench_64K_read_write.yaml

@@ -0,0 +1,25 @@
+overrides:
+  rgw:
+    data_pool_pg_size: 64
+    index_pool_pg_size: 64
+tasks:
+- cbt:
+    benchmarks:
+      cosbench:
+        obj_size: [64KB]
+        osd_ra: [4096]
+        workers: 1
+        containers_max: 1000
+        objects_max: 100
+        mode: [mix]
+        template: [default]
+        rampup: 30
+        runtime: 300
+        rampdown: 30
+        containers: ["u(1,100)"]
+        objects: ["u(1,100)"]
+        ratio: [60]
+    cluster:
+      user: 'ubuntu'
+      osds_per_node: 1
+      iterations: 1

qa/suites/rados/perf/workloads/cosbench_64K_write.yaml

@@ -0,0 +1,25 @@
+overrides:
+  rgw:
+    data_pool_pg_size: 64
+    index_pool_pg_size: 64
+tasks:
+- cbt:
+    benchmarks:
+      cosbench:
+        obj_size: [64KB]
+        osd_ra: [4096]
+        workers: 1
+        containers_max: 1000
+        objects_max: 100
+        mode: [write]
+        template: [default]
+        rampup: 30
+        runtime: 300
+        rampdown: 30
+        containers: ["u(1,100)"]
+        objects: ["u(1,100)"]
+        ratio: [100]
+    cluster:
+      user: 'ubuntu'
+      osds_per_node: 1
+      iterations: 1