Fix qmp-vcpu-pin.sh for vCPU pinning (MoatLab#81)

Fix qmp-vcpu-pin.sh and make it compatible with python2

Author: Haltz

femu-scripts/ftk/qmp-vcpu-pin

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python2
 # QEMU vCPU pinning tool
 #
 # Copyright (C) 2016 Red Hat Inc.
@@ -29,9 +29,9 @@ devnull = open(os.devnull, 'w')
 srv = QEMUMonitorProtocol(args.server)
 srv.connect()
 
-for vcpu in srv.command('query-cpus'):
-    vcpuid = vcpu['CPU']
-    tid = vcpu['thread_id']
+for vcpu in srv.command('query-cpus-fast'):
+    vcpuid = vcpu['cpu-index']
+    tid = vcpu['thread-id']
     if tid in pinned:
         print 'vCPU{}\'s tid {} already pinned, skipping'.format(vcpuid, tid)
         continue
@@ -42,4 +42,4 @@ for vcpu in srv.command('query-cpus'):
         call(['taskset', '-pc', str(cpuid), str(tid)], stdout=devnull)
         pinned.append(tid)
     except OSError:
-        print 'Failed to pin vCPU{} to CPU{}'.format(vcpuid, cpuid)
+        print 'Failed to pin vCPU{} to CPU{}'.format(vcpuid, cpuid)

femu-scripts/ftk/qmp.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python2
 # QEMU Monitor Protocol Python class
 #
 # Copyright (C) 2009, 2010 Red Hat Inc.