On 03/14/2012 01:57 PM, Guannan Ren wrote:
dom.cPUStats(True, 0)
I'd like getVcpuStats or cpuStats
function naming.
[{'cpu_time': 370942649768L, 'system_time':
11640000000L, 'user_time': 890000000L}]
dom.cPUStats(False, 0)
[{'cpu_time': 38378374721L}, {'cpu_time': 12475521087L},
{'cpu_time': 127388622598L}, {'cpu_time': 192720388324L}]
---
python/libvirt-override-api.xml | 10 +++
python/libvirt-override.c | 164 +++++++++++++++++++++++++++++++++++++++
2 files changed, 174 insertions(+), 0 deletions(-)
diff --git a/python/libvirt-override-api.xml b/python/libvirt-override-api.xml
index ab8f33a..c906cc3 100644
--- a/python/libvirt-override-api.xml
+++ b/python/libvirt-override-api.xml
@@ -149,6 +149,16 @@
<arg name='path' type='char *' info='the path for the
block device'/>
<arg name='flags' type='int' info='flags (unused; pass
0)'/>
</function>
+<function name='virDomainGetCPUStats' file='python'>
+<info>Extracts CPU statistics for a running domain, On success it will return a
list of data of dictionary type.
+ If boolean total is True, the first element of the list refers to CPU0 on the host,
second element is CPU1, and so on.
+ The format of data struct is like [{cpu_time:xxx},{cpu_time:xxx}, ...]
+ If it is False, it returns total domain CPU statistics like [{cpu_time:xxx,
user_time:xxx, system_time:xxx}]</info>
+<return type='str *' info='returns a list of dictionary in case of
success, None in case of error'/>
+<arg name='domain' type='virDomainPtr' info='pointer to domain
object'/>
+<arg name='total' type='bool' info='on true, return total domain
CPU statistics, false return per-cpu info'/>
+<arg name='flags' type='int' info='flags (unused; pass
0)'/>
+</function>
<function name='virDomainInterfaceStats' file='python'>
<info>Extracts interface device statistics for a domain</info>
<return type='virDomainInterfaceStats' info='a tuple of
statistics'/>
diff --git a/python/libvirt-override.c b/python/libvirt-override.c
index 792cfa3..eb24c60 100644
--- a/python/libvirt-override.c
+++ b/python/libvirt-override.c
@@ -378,6 +378,169 @@ cleanup:
}
static PyObject *
+libvirt_virDomainGetCPUStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args)
+{
+ virDomainPtr domain;
+ PyObject *pyobj_domain, *totalbool;
+ PyObject *ret = NULL;
+ PyObject *cpu, *total;
+ PyObject *error;
+ int i, i_retval;
+ int ncpus = -1;
+ int sumparams, nparams = -1;
+ unsigned int flags;
+ virTypedParameterPtr params, cpuparams;
+
+ if (!PyArg_ParseTuple(args, (char *)"OOi:virDomainGetNumaParameters",
+&pyobj_domain,&totalbool,&flags))
+ return NULL;
+ domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
+
+ if (!PyBool_Check(totalbool)) {
+ PyErr_Format(PyExc_TypeError,
+ "The \"total\" attribute must be bool");
+ return NULL;
+ }
+
+ if ((ret = PyList_New(0)) == NULL)
+ return NULL;
+
+ if (totalbool == Py_False) {
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ ncpus = virDomainGetCPUStats(domain, NULL, 0, 0, 0, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+
+ if (ncpus< 0) {
+ error = VIR_PY_NONE;
+ goto failed;
+ }
+
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ nparams = virDomainGetCPUStats(domain, NULL, 0, 0, 1, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+
+ if (nparams< 0) {
+ error = VIR_PY_NONE;
+ goto failed;
+ }
+
+ if (!nparams) {
+ if ((cpu = PyDict_New()) == NULL) {
+ error = NULL;
+ goto failed;
+ }
+
+ if (PyList_Append(ret, cpu)< 0) {
+ Py_DECREF(cpu);
+ error = NULL;
+ goto failed;
+ }
+
+ Py_DECREF(cpu);
+ return ret;
+ }
+ sumparams = nparams * ncpus;
+
+ if (VIR_ALLOC_N(params, sumparams)< 0) {
+ error = PyErr_NoMemory();
+ goto failed;
+ }
+
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ i_retval = virDomainGetCPUStats(domain, params, nparams, 0, ncpus, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+
+ if (i_retval< 0) {
+ error = VIR_PY_NONE;
+ goto cleanup;
+ }
+
+ for (i = 0; i< ncpus; i++) {
+ if (params[i * nparams].type == 0)
+ continue;
+
+ cpuparams =¶ms[i * nparams];
+ if ((cpu = getPyVirTypedParameter(cpuparams, nparams)) == NULL) {
+ error = NULL;
+ goto cleanup;
+ }
+ if (PyList_Append(ret, cpu)< 0) {
+ Py_DECREF(cpu);
+ error = NULL;
+ goto cleanup;
+ }
+ Py_DECREF(cpu);
+ }
+
+ virTypedParameterArrayClear(params, sumparams);
+ VIR_FREE(params);
+ return ret;
+ } else {
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ nparams = virDomainGetCPUStats(domain, NULL, 0, -1, 1, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+
+ if (nparams< 0) {
+ error = VIR_PY_NONE;
+ goto failed;
+ }
+
+ if (!nparams) {
+ if ((total = PyDict_New()) == NULL) {
+ error = NULL;
+ goto failed;
+ }
+ if (PyList_Append(ret, total)< 0) {
+ Py_DECREF(total);
+ error = NULL;
+ goto failed;
+ }
+
+ Py_DECREF(total);
+ return ret;
+ }
+ sumparams = nparams;
+
+ if (VIR_ALLOC_N(params, nparams)< 0) {
+ error = PyErr_NoMemory();
+ goto failed;
+ }
+
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ i_retval = virDomainGetCPUStats(domain, params, nparams, -1, 1, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+
+ if (i_retval< 0) {
+ error = VIR_PY_NONE;
+ goto cleanup;
+ }
+
+ if ((total = getPyVirTypedParameter(params, nparams)) == NULL) {
+ error = NULL;
+ goto cleanup;
+ }
+ if (PyList_Append(ret, total)< 0) {
+ Py_DECREF(total);
+ error = NULL;
+ goto cleanup;
+ }
+ Py_DECREF(total);
+
+ virTypedParameterArrayClear(params, sumparams);
+ VIR_FREE(params);
+ return ret;
+ }
+
+cleanup:
+ virTypedParameterArrayClear(params, sumparams);
+ VIR_FREE(params);
+
+failed:
+ Py_DECREF(ret);
+ return error;
+}
+
+static PyObject *
libvirt_virDomainInterfaceStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
virDomainPtr domain;
PyObject *pyobj_domain;
@@ -5366,6 +5529,7 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virNetworkGetAutostart", libvirt_virNetworkGetAutostart,
METH_VARARGS, NULL},
{(char *) "virDomainBlockStats", libvirt_virDomainBlockStats,
METH_VARARGS, NULL},
{(char *) "virDomainBlockStatsFlags", libvirt_virDomainBlockStatsFlags,
METH_VARARGS, NULL},
+ {(char *) "virDomainGetCPUStats", libvirt_virDomainGetCPUStats,
METH_VARARGS, NULL},
{(char *) "virDomainInterfaceStats", libvirt_virDomainInterfaceStats,
METH_VARARGS, NULL},
{(char *) "virDomainMemoryStats", libvirt_virDomainMemoryStats,
METH_VARARGS, NULL},
{(char *) "virNodeGetCellsFreeMemory", libvirt_virNodeGetCellsFreeMemory,
METH_VARARGS, NULL},