Make kvm plugins also work on RedHat based systems

On RedHat the binary that is used is called qemu-kvm not kvm.

Author: duritong

plugins/virtualization/kvm_cpu

@@ -75,7 +75,7 @@ def list_pids():
     ''' Find the pid of kvm processes
     @return a list of pids from running kvm
     '''
-    pid = Popen("pidof kvm", shell=True, stdout=PIPE)
+    pid = Popen("pidof qemu-kvm kvm", shell=True, stdout=PIPE)
     return pid.communicate()[0].split()
 
 def fetch(vms):

plugins/virtualization/kvm_io

@@ -92,7 +92,7 @@ def list_pids():
     ''' Find the pid of kvm processes
     @return a list of pids from running kvm
     '''
-    pid = Popen("pidof kvm", shell=True, stdout=PIPE)
+    pid = Popen("pidof qemu-kvm kvm", shell=True, stdout=PIPE)
     return pid.communicate()[0].split()
 
 if __name__ == "__main__":

plugins/virtualization/kvm_mem

@@ -89,7 +89,7 @@ def list_pids():
     ''' Find the pid of kvm processes
     @return a list of pids from running kvm
     '''
-    pid = Popen("pidof kvm", shell=True, stdout=PIPE)
+    pid = Popen("pidof qemu-kvm kvm", shell=True, stdout=PIPE)
     return pid.communicate()[0].split()
 
 if __name__ == "__main__":