本文整理匯總了Golang中github.com/opencontainers/runc/libcontainer/cgroups.Manager類的典型用法代碼示例。如果您正苦於以下問題：Golang Manager類的具體用法？Golang Manager怎麽用？Golang Manager使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了Manager類的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: GetProcesses
func GetProcesses(cgroupManager cgroups.Manager) ([]int, error) {
pids, err := cgroupManager.GetPids()
if err != nil {
return nil, err
}
return pids, nil
}示例2: killCgroupProcesses
// killCgroupProcesses freezes then iterates over all the processes inside the
// manager's cgroups sending a SIGKILL to each process then waiting for them to
// exit.
func killCgroupProcesses(m cgroups.Manager) error {
var procs []*os.Process
if err := m.Freeze(configs.Frozen); err != nil {
logrus.Warn(err)
}
pids, err := m.GetPids()
if err != nil {
m.Freeze(configs.Thawed)
return err
}
for _, pid := range pids {
if p, err := os.FindProcess(pid); err == nil {
procs = append(procs, p)
if err := p.Kill(); err != nil {
logrus.Warn(err)
}
}
}
if err := m.Freeze(configs.Thawed); err != nil {
logrus.Warn(err)
}
for _, p := range procs {
if _, err := p.Wait(); err != nil {
logrus.Warn(err)
}
}
return nil
}示例3: signalAllProcesses
// signalAllProcesses freezes then iterates over all the processes inside the
// manager's cgroups sending a SIGKILL to each process then waiting for them to
// exit.
func signalAllProcesses(m cgroups.Manager, s os.Signal) error {
var procs []*os.Process
if err := m.Freeze(configs.Frozen); err != nil {
logrus.Warn(err)
}
pids, err := m.GetAllPids()
if err != nil {
m.Freeze(configs.Thawed)
return err
}
for _, pid := range pids {
p, err := os.FindProcess(pid)
if err != nil {
logrus.Warn(err)
continue
}
procs = append(procs, p)
if err := p.Signal(s); err != nil {
logrus.Warn(err)
}
}
if err := m.Freeze(configs.Thawed); err != nil {
logrus.Warn(err)
}
for _, p := range procs {
if _, err := p.Wait(); err != nil {
logrus.Warn(err)
}
}
return nil
}示例4: GetStats
// Get cgroup and networking stats of the specified container
func GetStats(cgroupManager cgroups.Manager, rootFs string, pid int, ignoreMetrics container.MetricSet) (*info.ContainerStats, error) {
cgroupStats, err := cgroupManager.GetStats()
if err != nil {
return nil, err
}
libcontainerStats := &libcontainer.Stats{
CgroupStats: cgroupStats,
}
stats := toContainerStats(libcontainerStats)
// If we know the pid then get network stats from /proc/<pid>/net/dev
if pid == 0 {
return stats, nil
}
if !ignoreMetrics.Has(container.NetworkUsageMetrics) {
netStats, err := networkStatsFromProc(rootFs, pid)
if err != nil {
glog.V(2).Infof("Unable to get network stats from pid %d: %v", pid, err)
} else {
stats.Network.Interfaces = append(stats.Network.Interfaces, netStats...)
}
}
if !ignoreMetrics.Has(container.NetworkTcpUsageMetrics) {
t, err := tcpStatsFromProc(rootFs, pid, "net/tcp")
if err != nil {
glog.V(2).Infof("Unable to get tcp stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp = t
}
t6, err := tcpStatsFromProc(rootFs, pid, "net/tcp6")
if err != nil {
glog.V(2).Infof("Unable to get tcp6 stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp6 = t6
}
}
// For backwards compatibility.
if len(stats.Network.Interfaces) > 0 {
stats.Network.InterfaceStats = stats.Network.Interfaces[0]
}
return stats, nil
}示例5: GetStats
// Get cgroup and networking stats of the specified container
func GetStats(cgroupManager cgroups.Manager, rootFs string, pid int) (*info.ContainerStats, error) {
cgroupStats, err := cgroupManager.GetStats()
if err != nil {
return nil, err
}
libcontainerStats := &libcontainer.Stats{
CgroupStats: cgroupStats,
}
stats := toContainerStats(libcontainerStats)
// If we know the pid then get network stats from /proc/<pid>/net/dev
if pid > 0 {
netStats, err := networkStatsFromProc(rootFs, pid)
if err != nil {
glog.V(2).Infof("Unable to get network stats from pid %d: %v", pid, err)
} else {
stats.Network.Interfaces = append(stats.Network.Interfaces, netStats...)
}
// Commenting out to disable: too CPU intensive
/*t, err := tcpStatsFromProc(rootFs, pid, "net/tcp")
if err != nil {
glog.V(2).Infof("Unable to get tcp stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp = t
}
t6, err := tcpStatsFromProc(rootFs, pid, "net/tcp6")
if err != nil {
glog.V(2).Infof("Unable to get tcp6 stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp6 = t6
}*/
}
// For backwards compatibility.
if len(stats.Network.Interfaces) > 0 {
stats.Network.InterfaceStats = stats.Network.Interfaces[0]
}
return stats, nil
}