Modified a logic to calculate VP min and max value.

Here we are planning to calculate the VP min and max based on the
overcommit ration. And that support we have added.

Signed-off-by: Samir Mulani <samir@linux.vnet.ibm.com>

common/OpTestHMC.py

@@ -423,16 +423,16 @@ def change_proc_mode(self, proc_mode, sharing_mode, min_proc_units, desired_proc
             v_max_proc = 0
             max_virtual_proc = self.run_command("lshwres -m %s -r proc --level sys -F curr_sys_virtual_procs" % (self.mg_system))
             max_virtual_proc = int(max_virtual_proc[0])
-            if 2*int(max_proc_units) > max_virtual_proc:
+            if overcommit_ratio*int(max_proc_units) > max_virtual_proc:
                 v_max_proc = max_virtual_proc
             else:
-                v_max_proc = 2*int(max_proc_units)
+                v_max_proc = overcommit_ratio*int(max_proc_units)
 
             self.set_lpar_cfg("proc_mode=shared,sharing_mode=%s,min_proc_units=%s,max_proc_units=%s,"
                               "desired_proc_units=%s,min_procs=%s,desired_procs=%s,max_procs=%s,"
                               "min_mem=%s,desired_mem=%s,max_mem=%s" %
                               (sharing_mode, min_proc_units, max_proc_units, desired_proc_units,
-                                  int(min_proc_units),  overcommit_ratio*int(desired_proc_units), v_max_proc,
+                                  overcommit_ratio*int(min_proc_units),  overcommit_ratio*int(desired_proc_units), v_max_proc,
                                   min_memory, desired_memory, max_memory))
         elif proc_mode == 'ded':
             self.set_lpar_cfg("proc_mode=ded,sharing_mode=%s,min_procs=%s,max_procs=%s,desired_procs=%s,"