"time"
)
-// This magically allows us to look up userHz via _SC_CLK_TCK:
-
-/*
-#include <unistd.h>
-#include <sys/types.h>
-#include <pwd.h>
-#include <stdlib.h>
-*/
-import "C"
-
// A Reporter gathers statistics for a cgroup and writes them to a
// log.Logger.
type Reporter struct {
}
var outstat bytes.Buffer
for _, key := range wantStats {
- if val, ok := thisSample.memStat[key]; ok {
- outstat.WriteString(fmt.Sprintf(" %d %s", val, key))
+ // Use "total_X" stats (entire hierarchy) if enabled,
+ // otherwise just the single cgroup -- see
+ // https://www.kernel.org/doc/Documentation/cgroup-v1/memory.txt
+ if val, ok := thisSample.memStat["total_"+key]; ok {
+ fmt.Fprintf(&outstat, " %d %s", val, key)
+ } else if val, ok := thisSample.memStat[key]; ok {
+ fmt.Fprintf(&outstat, " %d %s", val, key)
}
}
r.Logger.Printf("mem%s\n", outstat.String())
var userTicks, sysTicks int64
fmt.Sscanf(string(b), "user %d\nsystem %d", &userTicks, &sysTicks)
- userHz := float64(C.sysconf(C._SC_CLK_TCK))
+ userHz := float64(100)
nextSample := cpuSample{
hasData: true,
sampleTime: time.Now(),