dotcloud/docker

package daemon // import "github.com/docker/docker/daemon"

import (
    "runtime"
    "time"

    "github.com/docker/docker/daemon/stats"
    "github.com/docker/docker/pkg/meminfo"
)

// newStatsCollector returns a new statsCollector that collections
// stats for a registered container at the specified interval.
// The collector allows non-running containers to be added
// and will start processing stats when they are started.
func (daemon *Daemon) newStatsCollector(interval time.Duration) *stats.Collector {
    // FIXME(vdemeester) move this elsewhere
    if runtime.GOOS == "linux" {
        meminfo, err := meminfo.Read()
        if err == nil && meminfo.MemTotal > 0 {
            daemon.machineMemory = uint64(meminfo.MemTotal)
        }
    }
    s := stats.NewCollector(daemon, interval)
    go s.Run()
    return s
}