1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#!/usr/bin/env stap
global start_ts
probe begin {
start_ts = gettimeofday_us()
printf("%12s %3s %5s %5s %-16s ACTION\n",
"TIMESTAMP", "CPU", "PID", "TID", "EXECNAME")
}
function report(action:string) {
printf("%3d %12d %5d %5d %-16s %s\n",
gettimeofday_us() - start_ts, cpu(),
pid(), tid(), execname(), action)
}
probe scheduler.cpu_off {
report(sprintf("cpu_off%s", idle? " [idle]" : ""))
}
probe scheduler.cpu_on {
report(sprintf("cpu_on%s", idle? " [idle]" : ""))
}
probe scheduler.tick {
report(sprintf("tick%s", idle? " [idle]" : ""))
}
probe scheduler.migrate ? {
report("migrate")
}
probe scheduler.balance ? {
report("balance")
}
|
