Re: [libvirt] [PATCH 4/7] Place every QEMU guest in a private cgroup

* src/qemu_driver.c: Place guest in cgroup upon startup. Remove cgroup upon shutdown --- src/qemu_driver.c | 105 +++++++++++++++++++++++++++++++++++++++++++++++++----

+ virReportSystemError(conn, -rc, + _("Unable to create cgroup for %s"), vm->def->name);

+static int qemuAddToCgroup(virDomainDefPtr def) +{ + virCgroupPtr cgroup = NULL; + int rc; + + if (virCgroupHaveSupport() != 0) + return 0; /* Not supported, so claim success */ + + rc = virCgroupForDomain(def, "qemu", &cgroup); + if (rc != 0) { + virReportSystemError(NULL, -rc, _("unable to find cgroup for domain %s"), def->name); + return -1; + } + + rc = virCgroupAddTask(cgroup, getpid()); + if (rc != 0) { + virReportSystemError(NULL, -rc, _("unable to add domain %s task %d to cgroup"), def->name, getpid()); + virCgroupFree(&cgroup); + return -1; + }

+ + virCgroupFree(&cgroup); + return 0; +} + +

-struct gemudHookData { - virConnectPtr conn; - virDomainObjPtr vm; - struct qemud_driver *driver; +struct qemudHookData { + virConnectPtr conn; + virDomainObjPtr vm; + struct qemud_driver *driver; };