diff options
author | Guannan Ren <gren@redhat.com> | 2012-03-23 01:10:46 +0800 |
---|---|---|
committer | Daniel Veillard <veillard@redhat.com> | 2012-03-26 13:52:51 +0800 |
commit | a333d94eb3b2135c1cf9129b2e5a9aa5307b9882 (patch) | |
tree | 26e4ed98a0325000cac36126f35f3d1596b16bf0 /libvirt-override.c | |
parent | f14ce3e4bdae296653d3ebc03ba65f35d3120676 (diff) | |
download | libvirt-python-v6-a333d94eb3b2135c1cf9129b2e5a9aa5307b9882.tar.gz libvirt-python-v6-a333d94eb3b2135c1cf9129b2e5a9aa5307b9882.tar.xz libvirt-python-v6-a333d94eb3b2135c1cf9129b2e5a9aa5307b9882.zip |
python: add virDomainGetCPUStats python binding API
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=800366
dom.getCPUStats(True, 0)
[{'cpu_time': 24699446159L, 'system_time': 10870000000L, 'user_time': 950000000L}]
dom.getCPUStats(False, 0)
[{'cpu_time': 8535292289L}, {'cpu_time': 1005395355L}, {'cpu_time': 9351766377L}, {'cpu_time': 5813545649L}]
*generator.py Add a new naming rule
*libvirt-override-api.xml The API function description
*libvirt-override.c Implement it.
(cherry picked from commit a772f4eebc9e62870ac03dfaaac1102d0fa967b4)
Diffstat (limited to 'libvirt-override.c')
-rw-r--r-- | libvirt-override.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/libvirt-override.c b/libvirt-override.c index 22ee975..129f29c 100644 --- a/libvirt-override.c +++ b/libvirt-override.c @@ -378,6 +378,152 @@ cleanup: } static PyObject * +libvirt_virDomainGetCPUStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) +{ + virDomainPtr domain; + PyObject *pyobj_domain, *totalbool; + PyObject *cpu, *total; + PyObject *ret = NULL; + PyObject *error = NULL; + int ncpus = -1, start_cpu = 0; + int sumparams = 0, nparams = -1; + int i, i_retval; + unsigned int flags, totalflag; + virTypedParameterPtr params = NULL, cpuparams; + + if (!PyArg_ParseTuple(args, (char *)"OOi:virDomainGetCPUStats", + &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; + } else { + /* Hack - Python's definition of Py_True breaks strict + * aliasing rules, so can't directly compare + */ + PyObject *hacktrue = PyBool_FromLong(1); + totalflag = hacktrue == totalbool ? 1 : 0; + Py_DECREF(hacktrue); + } + + if ((ret = PyList_New(0)) == NULL) + return NULL; + + if (!totalflag) { + LIBVIRT_BEGIN_ALLOW_THREADS; + ncpus = virDomainGetCPUStats(domain, NULL, 0, 0, 0, flags); + LIBVIRT_END_ALLOW_THREADS; + + if (ncpus < 0) { + error = VIR_PY_NONE; + goto error; + } + + LIBVIRT_BEGIN_ALLOW_THREADS; + nparams = virDomainGetCPUStats(domain, NULL, 0, 0, 1, flags); + LIBVIRT_END_ALLOW_THREADS; + + if (nparams < 0) { + error = VIR_PY_NONE; + goto error; + } + + sumparams = nparams * MIN(ncpus, 128); + + if (VIR_ALLOC_N(params, sumparams) < 0) { + error = PyErr_NoMemory(); + goto error; + } + + while (ncpus) { + int queried_ncpus = MIN(ncpus, 128); + if (nparams) { + + LIBVIRT_BEGIN_ALLOW_THREADS; + i_retval = virDomainGetCPUStats(domain, params, + nparams, start_cpu, queried_ncpus, flags); + LIBVIRT_END_ALLOW_THREADS; + + if (i_retval < 0) { + error = VIR_PY_NONE; + goto error; + } + } else { + i_retval = 0; + } + + for (i = 0; i < queried_ncpus; i++) { + cpuparams = ¶ms[i * nparams]; + if ((cpu = getPyVirTypedParameter(cpuparams, i_retval)) == NULL) { + goto error; + } + + if (PyList_Append(ret, cpu) < 0) { + Py_DECREF(cpu); + goto error; + } + Py_DECREF(cpu); + } + + start_cpu += queried_ncpus; + ncpus -= queried_ncpus; + virTypedParameterArrayClear(params, sumparams); + } + } 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 error; + } + + if (nparams) { + sumparams = nparams; + + if (VIR_ALLOC_N(params, nparams) < 0) { + error = PyErr_NoMemory(); + goto error; + } + + 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 error; + } + } else { + i_retval = 0; + } + + if ((total = getPyVirTypedParameter(params, i_retval)) == NULL) { + goto error; + } + if (PyList_Append(ret, total) < 0) { + Py_DECREF(total); + goto error; + } + Py_DECREF(total); + } + + virTypedParameterArrayClear(params, sumparams); + VIR_FREE(params); + return ret; + +error: + virTypedParameterArrayClear(params, sumparams); + VIR_FREE(params); + Py_DECREF(ret); + return error; +} + +static PyObject * libvirt_virDomainInterfaceStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) { virDomainPtr domain; PyObject *pyobj_domain; @@ -5398,6 +5544,7 @@ 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}, |