| 1 | //go:build unix |
| 2 | |
| 3 | package main |
| 4 | |
| 5 | import ( |
| 6 | "runtime" |
| 7 | "syscall" |
| 8 | ) |
| 9 | |
| 10 | func processPeakRSSBytes() uint64 { |
| 11 | var usage syscall.Rusage |
| 12 | if err := syscall.Getrusage(syscall.RUSAGE_SELF, &usage); err != nil || usage.Maxrss < 0 { |
| 13 | return 0 |
| 14 | } |
| 15 | // Darwin reports bytes; Linux and the other supported Unix targets report |
| 16 | // KiB. This is the process high-water mark, not a sampled Go heap value. |
| 17 | if runtime.GOOS == "darwin" { |
| 18 | return uint64(usage.Maxrss) |
| 19 | } |
| 20 | return uint64(usage.Maxrss) * 1024 |
| 21 | } |
| 22 |