| @@ -0,0 +1,30 @@ | |||
| 1 | + | package main | |
| 2 | + | ||
| 3 | + | import ( | |
| 4 | + | "fmt" | |
| 5 | + | "log" | |
| 6 | + | ||
| 7 | + | "golang.org/x/sys/unix" | |
| 8 | + | ) | |
| 9 | + | ||
| 10 | + | func main() { | |
| 11 | + | pid := 1 | |
| 12 | + | ||
| 13 | + | // init cpuset | |
| 14 | + | var cpuset unix.CPUSet | |
| 15 | + | ||
| 16 | + | err := unix.SchedGetaffinity(pid, &cpuset) | |
| 17 | + | if err != nil { | |
| 18 | + | log.Fatalf("Error getting CPU affinity: %v\n", err) | |
| 19 | + | } | |
| 20 | + | ||
| 21 | + | processorCount := 0 | |
| 22 | + | ||
| 23 | + | for i := 0; i < cpuset.Count(); i++ { | |
| 24 | + | if cpuset.IsSet(i) { | |
| 25 | + | processorCount++ | |
| 26 | + | } | |
| 27 | + | } | |
| 28 | + | ||
| 29 | + | fmt.Printf("CPUSet size: %d, Number of processor allowed to pid %d is %d\n", cpuset.Count(), pid, processorCount) | |
| 30 | + | } | |
aquafire / test_cpu_affinity.go
Last active 6 months ago
aquafire revised this gist 9 months ago · 6f67b20
1 file changed, 30 insertions