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python: Add python bindings for virDomainMemoryStats

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Enable virDomainMemoryStats in the python API.  dom.memoryStats() will return a
dictionary containing the supported statistics.  A dictionary is required
because the meaining of each quantity cannot be inferred from its index in a
list.

* python/generator.py: reenable bindings for this entry point
* python/libvirt-override-api.xml python/libvirt-override.c: the
  generator can't handle this new function, add the new binding,
  and the XML description
This commit is contained in:
Adam Litke
2009-12-20 13:48:37 +01:00
committed by Daniel Veillard
parent b6798b68cb
commit 2c345831a3
3 changed files with 50 additions and 2 deletions
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44
python/libvirt-override.c
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@@ -120,6 +120,49 @@ libvirt_virDomainInterfaceStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args)
return(info);
}
static PyObject *
libvirt_virDomainMemoryStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
virDomainPtr domain;
PyObject *pyobj_domain;
unsigned int nr_stats, i;
virDomainMemoryStatStruct stats[VIR_DOMAIN_MEMORY_STAT_NR];
PyObject *info;
if (!PyArg_ParseTuple(args, (char *)"O:virDomainMemoryStats", &pyobj_domain))
return(NULL);
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
nr_stats = virDomainMemoryStats(domain, stats,
VIR_DOMAIN_MEMORY_STAT_NR, 0);
if (nr_stats == -1)
return VIR_PY_NONE;
/* convert to a Python dictionary */
if ((info = PyDict_New()) == NULL)
return VIR_PY_NONE;
for (i = 0; i < nr_stats; i++) {
if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_SWAP_IN)
PyDict_SetItem(info, libvirt_constcharPtrWrap("swap_in"),
PyLong_FromUnsignedLongLong(stats[i].val));
else if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_SWAP_OUT)
PyDict_SetItem(info, libvirt_constcharPtrWrap("swap_out"),
PyLong_FromUnsignedLongLong(stats[i].val));
else if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_MAJOR_FAULT)
PyDict_SetItem(info, libvirt_constcharPtrWrap("major_fault"),
PyLong_FromUnsignedLongLong(stats[i].val));
else if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_MINOR_FAULT)
PyDict_SetItem(info, libvirt_constcharPtrWrap("minor_fault"),
PyLong_FromUnsignedLongLong(stats[i].val));
else if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_UNUSED)
PyDict_SetItem(info, libvirt_constcharPtrWrap("unused"),
PyLong_FromUnsignedLongLong(stats[i].val));
else if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_AVAILABLE)
PyDict_SetItem(info, libvirt_constcharPtrWrap("available"),
PyLong_FromUnsignedLongLong(stats[i].val));
}
return info;
}
static PyObject *
libvirt_virDomainGetSchedulerType(PyObject *self ATTRIBUTE_UNUSED,
@@ -2635,6 +2678,7 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virNetworkGetAutostart", libvirt_virNetworkGetAutostart, METH_VARARGS, NULL},
{(char *) "virDomainBlockStats", libvirt_virDomainBlockStats, METH_VARARGS, NULL},
{(char *) "virDomainInterfaceStats", libvirt_virDomainInterfaceStats, METH_VARARGS, NULL},
{(char *) "virDomainMemoryStats", libvirt_virDomainMemoryStats, METH_VARARGS, NULL},
{(char *) "virNodeGetCellsFreeMemory", libvirt_virNodeGetCellsFreeMemory, METH_VARARGS, NULL},
{(char *) "virDomainGetSchedulerType", libvirt_virDomainGetSchedulerType, METH_VARARGS, NULL},
{(char *) "virDomainGetSchedulerParameters", libvirt_virDomainGetSchedulerParameters, METH_VARARGS, NULL},