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python: add python binding for Perf API

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This patch adds the python binding for virDomainSetPerfEvents and
virDomainSetPerfEvents API.

Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Qiaowei Ren
2016-03-30 10:13:19 +08:00
committed by Michal Privoznik
parent 3436387627
commit f97c782105
3 changed files with 115 additions and 0 deletions
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2
generator.py
View File

@@ -488,6 +488,8 @@ skip_impl = (
'virNodeAllocPages',
'virDomainGetFSInfo',
'virDomainInterfaceAddresses',
'virDomainGetPerfEvents',
'virDomainSetPerfEvents',
)
lxc_skip_impl = (

13
libvirt-override-api.xml
View File

@@ -344,6 +344,19 @@
<arg name='domain' type='virDomainPtr' info='pointer to domain object'/>
<arg name='flags' type='int' info='an OR&apos;ed set of virDomainModificationImpact'/>
</function>
<function name='virDomainGetPerfEvents' file='python'>
<info>Get all perf events setting.</info>
<return type='char *' info='returns a dictionary of params in case of success, None in case of error'/>
<arg name='domain' type='virDomainPtr' info='pointer to domain object'/>
<arg name='flags' type='int' info='an OR&apos;ed set of virDomainModificationImpact'/>
</function>
<function name='virDomainSetPerfEvents' file='python'>
<info>Enable or disable the particular list of perf events</info>
<return type='int' info='-1 in case of error, 0 in case of success.'/>
<arg name='domain' type='virDomainPtr' info='pointer to domain object'/>
<arg name='params' type='virTypedParameterPtr' info='pointer to perf events parameter object'/>
<arg name='flags' type='int' info='an OR&apos;ed set of virDomainModificationImpact'/>
</function>
<function name='virDomainSetInterfaceParameters' file='python'>
<info>Change the bandwidth tunables for a interface device</info>
<arg name='dom' type='virDomainPtr' info='pointer to the domain'/>

100
libvirt-override.c
View File

@@ -8607,6 +8607,102 @@ libvirt_virDomainGetFSInfo(PyObject *self ATTRIBUTE_UNUSED,
#endif /* LIBVIR_CHECK_VERSION(1, 2, 11) */
#if LIBVIR_CHECK_VERSION(1, 3, 3)
static PyObject *
libvirt_virDomainGetPerfEvents(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args)
{
PyObject *pyobj_domain;
virDomainPtr domain;
virTypedParameterPtr params = NULL;
int nparams = 0;
PyObject *dict = NULL;
unsigned int flags;
int rc;
if (!PyArg_ParseTuple(args, (char *) "OI:virDomainGetPerfEvents",
&pyobj_domain, &flags))
return NULL;
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
LIBVIRT_BEGIN_ALLOW_THREADS;
rc = virDomainGetPerfEvents(domain, &params, &nparams, flags);
LIBVIRT_END_ALLOW_THREADS;
if (rc < 0)
return VIR_PY_NONE;
if (!(dict = getPyVirTypedParameter(params, nparams)))
goto cleanup;
cleanup:
virTypedParamsFree(params, nparams);
return dict;
}
static PyObject *
libvirt_virDomainSetPerfEvents(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args)
{
virDomainPtr domain;
PyObject *pyobj_domain, *info;
PyObject *ret = NULL;
int i_retval;
int nparams = 0;
Py_ssize_t size = 0;
unsigned int flags;
virTypedParameterPtr params = NULL, new_params = NULL;
if (!PyArg_ParseTuple(args,
(char *)"OOI:virDomainSetPerfEvents",
&pyobj_domain, &info, &flags))
return NULL;
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
if ((size = PyDict_Size(info)) < 0)
return NULL;
if (size == 0) {
PyErr_Format(PyExc_LookupError,
"Need non-empty dictionary to set attributes");
return NULL;
}
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainGetPerfEvents(domain, &params, &nparams, flags);
LIBVIRT_END_ALLOW_THREADS;
if (i_retval < 0)
return VIR_PY_INT_FAIL;
if (nparams == 0) {
PyErr_Format(PyExc_LookupError,
"Domain has no settable attributes");
return NULL;
}
new_params = setPyVirTypedParameter(info, params, nparams);
if (!new_params)
goto cleanup;
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainSetPerfEvents(domain, new_params, size, flags);
LIBVIRT_END_ALLOW_THREADS;
if (i_retval < 0) {
ret = VIR_PY_INT_FAIL;
goto cleanup;
}
ret = VIR_PY_INT_SUCCESS;
cleanup:
virTypedParamsFree(params, nparams);
virTypedParamsFree(new_params, size);
return ret;
}
#endif /* LIBVIR_CHECK_VERSION(1, 3, 3) */
/************************************************************************
* *
* The registration stuff *
@@ -8810,6 +8906,10 @@ static PyMethodDef libvirtMethods[] = {
#if LIBVIR_CHECK_VERSION(1, 2, 14)
{(char *) "virDomainInterfaceAddresses", libvirt_virDomainInterfaceAddresses, METH_VARARGS, NULL},
#endif /* LIBVIR_CHECK_VERSION(1, 2, 14) */
#if LIBVIR_CHECK_VERSION(1, 3, 3)
{(char *) "virDomainGetPerfEvents", libvirt_virDomainGetPerfEvents, METH_VARARGS, NULL},
{(char *) "virDomainSetPerfEvents", libvirt_virDomainSetPerfEvents, METH_VARARGS, NULL},
#endif /* LIBVIR_CHECK_VERSION(1, 3, 3) */
{NULL, NULL, 0, NULL}
};