diff options
Diffstat (limited to 'vendor/github.com/prometheus/procfs/proc_limits.go')
| -rw-r--r-- | vendor/github.com/prometheus/procfs/proc_limits.go | 87 |
1 files changed, 45 insertions, 42 deletions
diff --git a/vendor/github.com/prometheus/procfs/proc_limits.go b/vendor/github.com/prometheus/procfs/proc_limits.go index 91ee24df8..dd20f198a 100644 --- a/vendor/github.com/prometheus/procfs/proc_limits.go +++ b/vendor/github.com/prometheus/procfs/proc_limits.go @@ -26,55 +26,55 @@ import ( // http://man7.org/linux/man-pages/man2/getrlimit.2.html. type ProcLimits struct { // CPU time limit in seconds. - CPUTime int64 + CPUTime uint64 // Maximum size of files that the process may create. - FileSize int64 + FileSize uint64 // Maximum size of the process's data segment (initialized data, // uninitialized data, and heap). - DataSize int64 + DataSize uint64 // Maximum size of the process stack in bytes. - StackSize int64 + StackSize uint64 // Maximum size of a core file. - CoreFileSize int64 + CoreFileSize uint64 // Limit of the process's resident set in pages. - ResidentSet int64 + ResidentSet uint64 // Maximum number of processes that can be created for the real user ID of // the calling process. - Processes int64 + Processes uint64 // Value one greater than the maximum file descriptor number that can be // opened by this process. - OpenFiles int64 + OpenFiles uint64 // Maximum number of bytes of memory that may be locked into RAM. - LockedMemory int64 + LockedMemory uint64 // Maximum size of the process's virtual memory address space in bytes. - AddressSpace int64 + AddressSpace uint64 // Limit on the combined number of flock(2) locks and fcntl(2) leases that // this process may establish. - FileLocks int64 + FileLocks uint64 // Limit of signals that may be queued for the real user ID of the calling // process. - PendingSignals int64 + PendingSignals uint64 // Limit on the number of bytes that can be allocated for POSIX message // queues for the real user ID of the calling process. - MsqqueueSize int64 + MsqqueueSize uint64 // Limit of the nice priority set using setpriority(2) or nice(2). - NicePriority int64 + NicePriority uint64 // Limit of the real-time priority set using sched_setscheduler(2) or // sched_setparam(2). - RealtimePriority int64 + RealtimePriority uint64 // Limit (in microseconds) on the amount of CPU time that a process // scheduled under a real-time scheduling policy may consume without making // a blocking system call. - RealtimeTimeout int64 + RealtimeTimeout uint64 } const ( - limitsFields = 3 + limitsFields = 4 limitsUnlimited = "unlimited" ) var ( - limitsDelimiter = regexp.MustCompile(" +") + limitsMatch = regexp.MustCompile(`(Max \w+\s{0,1}?\w*\s{0,1}\w*)\s{2,}(\w+)\s+(\w+)`) ) // NewLimits returns the current soft limits of the process. @@ -96,46 +96,49 @@ func (p Proc) Limits() (ProcLimits, error) { l = ProcLimits{} s = bufio.NewScanner(f) ) + + s.Scan() // Skip limits header + for s.Scan() { - fields := limitsDelimiter.Split(s.Text(), limitsFields) + //fields := limitsMatch.Split(s.Text(), limitsFields) + fields := limitsMatch.FindStringSubmatch(s.Text()) if len(fields) != limitsFields { - return ProcLimits{}, fmt.Errorf( - "couldn't parse %s line %s", f.Name(), s.Text()) + return ProcLimits{}, fmt.Errorf("couldn't parse %q line %q", f.Name(), s.Text()) } - switch fields[0] { + switch fields[1] { case "Max cpu time": - l.CPUTime, err = parseInt(fields[1]) + l.CPUTime, err = parseUint(fields[2]) case "Max file size": - l.FileSize, err = parseInt(fields[1]) + l.FileSize, err = parseUint(fields[2]) case "Max data size": - l.DataSize, err = parseInt(fields[1]) + l.DataSize, err = parseUint(fields[2]) case "Max stack size": - l.StackSize, err = parseInt(fields[1]) + l.StackSize, err = parseUint(fields[2]) case "Max core file size": - l.CoreFileSize, err = parseInt(fields[1]) + l.CoreFileSize, err = parseUint(fields[2]) case "Max resident set": - l.ResidentSet, err = parseInt(fields[1]) + l.ResidentSet, err = parseUint(fields[2]) case "Max processes": - l.Processes, err = parseInt(fields[1]) + l.Processes, err = parseUint(fields[2]) case "Max open files": - l.OpenFiles, err = parseInt(fields[1]) + l.OpenFiles, err = parseUint(fields[2]) case "Max locked memory": - l.LockedMemory, err = parseInt(fields[1]) + l.LockedMemory, err = parseUint(fields[2]) case "Max address space": - l.AddressSpace, err = parseInt(fields[1]) + l.AddressSpace, err = parseUint(fields[2]) case "Max file locks": - l.FileLocks, err = parseInt(fields[1]) + l.FileLocks, err = parseUint(fields[2]) case "Max pending signals": - l.PendingSignals, err = parseInt(fields[1]) + l.PendingSignals, err = parseUint(fields[2]) case "Max msgqueue size": - l.MsqqueueSize, err = parseInt(fields[1]) + l.MsqqueueSize, err = parseUint(fields[2]) case "Max nice priority": - l.NicePriority, err = parseInt(fields[1]) + l.NicePriority, err = parseUint(fields[2]) case "Max realtime priority": - l.RealtimePriority, err = parseInt(fields[1]) + l.RealtimePriority, err = parseUint(fields[2]) case "Max realtime timeout": - l.RealtimeTimeout, err = parseInt(fields[1]) + l.RealtimeTimeout, err = parseUint(fields[2]) } if err != nil { return ProcLimits{}, err @@ -145,13 +148,13 @@ func (p Proc) Limits() (ProcLimits, error) { return l, s.Err() } -func parseInt(s string) (int64, error) { +func parseUint(s string) (uint64, error) { if s == limitsUnlimited { - return -1, nil + return 18446744073709551615, nil } - i, err := strconv.ParseInt(s, 10, 64) + i, err := strconv.ParseUint(s, 10, 64) if err != nil { - return 0, fmt.Errorf("couldn't parse value %s: %s", s, err) + return 0, fmt.Errorf("couldn't parse value %q: %w", s, err) } return i, nil } |