Hi,
This breaks 'vcpus' in xm config file into
-max_vcpus - the max # of vcpus a domain can have in its life
-vcpus - the initial # of vcpus a domain brings up
it won't break any config file that's missing 'max_vcpus'
Thanks,
Ryan
Signed-off-by: Ryan Grimm <grimm@xxxxxxxxxx>
diff -r d8451bb6278c -r 4407086dc27e tools/examples/xmexample1
--- a/tools/examples/xmexample1 Wed Mar 1 16:52:37 2006
+++ b/tools/examples/xmexample1 Thu Mar 2 00:03:20 2006
@@ -26,6 +26,9 @@
#cpus = "" # leave to Xen to pick
#cpus = "0" # all vcpus run on CPU0
#cpus = "0-3,5,^1" # run on cpus 0,2,3,5
+
+# Max number of Virtual CPUS a domain can have in its life
+#max_vcpus = 8
# Number of Virtual CPUS to use, default is 1
#vcpus = 1
diff -r d8451bb6278c -r 4407086dc27e tools/examples/xmexample2
--- a/tools/examples/xmexample2 Wed Mar 1 16:52:37 2006
+++ b/tools/examples/xmexample2 Thu Mar 2 00:03:20 2006
@@ -56,6 +56,9 @@
#cpus = "0" # all vcpus run on CPU0
#cpus = "0-3,5,^1" # run on cpus 0,2,3,5
#cpus = "%s" % vmid # set based on vmid (mod number of CPUs)
+
+# Max number of Virtual CPUS a domain can have in its life
+max_vcpus = 8
# Number of Virtual CPUS to use, default is 1
#vcpus = 1
diff -r d8451bb6278c -r 4407086dc27e tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Wed Mar 1 16:52:37 2006
+++ b/tools/python/xen/xend/XendDomainInfo.py Thu Mar 2 00:03:20 2006
@@ -121,6 +121,7 @@
('uuid', str),
('ssidref', int),
('vcpus', int),
+ ('max_vcpus', int),
('vcpu_avail', int),
('cpu_weight', float),
('memory', int),
@@ -551,6 +552,7 @@
avail = int(1)
defaultInfo('vcpus', lambda: avail)
+ defaultInfo('max_vcpus', lambda: 8)
defaultInfo('online_vcpus', lambda: self.info['vcpus'])
defaultInfo('max_vcpu_id', lambda: self.info['vcpus']-1)
defaultInfo('vcpu_avail', lambda: (1 << self.info['vcpus']) - 1)
@@ -704,7 +706,7 @@
return 'offline'
result = {}
- for v in range(0, self.info['vcpus']):
+ for v in range(0, self.info['max_vcpus']):
result["cpu/%d/availability" % v] = availability(v)
return result
@@ -1154,7 +1156,7 @@
self.recreateDom()
# Set maximum number of vcpus in domain
- xc.domain_max_vcpus(self.domid, int(self.info['vcpus']))
+ xc.domain_max_vcpus(self.domid, int(self.info['max_vcpus']))
def introduceDomain(self):
diff -r d8451bb6278c -r 4407086dc27e tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py Wed Mar 1 16:52:37 2006
+++ b/tools/python/xen/xm/create.py Thu Mar 2 00:03:20 2006
@@ -176,6 +176,10 @@
gopts.var('apic', val='APIC',
fn=set_int, default=0,
use="Disable or enable APIC of HVM domain.")
+
+gopts.var('max_vcpus', val='VCPUS',
+ fn=set_int, default=8,
+ use="max # of Virtual CPUS a domain will have in its life.")
gopts.var('vcpus', val='VCPUS',
fn=set_int, default=1,
@@ -587,7 +591,8 @@
config.append([n, v])
map(add_conf, ['name', 'memory', 'ssidref', 'maxmem', 'restart',
- 'on_poweroff', 'on_reboot', 'on_crash', 'vcpus'])
+ 'on_poweroff', 'on_reboot', 'on_crash', 'vcpus',
+ 'max_vcpus'])
if vals.uuid is not None:
config.append(['uuid', vals.uuid])
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