mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-30 22:02:25 -05:00
c00cad2ceb
- github.com/KimMachineGun/automemlimit v0.7.4 - github.com/miekg/dns v1.1.67 - github.com/minio/minio-go/v7 v7.0.95 - github.com/spf13/pflag v1.0.7 - github.com/tdewolff/minify/v2 v2.23.9 - github.com/uptrace/bun v1.2.15 - github.com/uptrace/bun/dialect/pgdialect v1.2.15 - github.com/uptrace/bun/dialect/sqlitedialect v1.2.15 - github.com/uptrace/bun/extra/bunotel v1.2.15 - golang.org/x/image v0.29.0 - golang.org/x/net v0.42.0 Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4339 Co-authored-by: kim <grufwub@gmail.com> Co-committed-by: kim <grufwub@gmail.com>
116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
// Copyright 2025 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package procfs
|
|
|
|
import (
|
|
"os"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/prometheus/procfs/internal/util"
|
|
)
|
|
|
|
// - https://man7.org/linux/man-pages/man5/proc_pid_statm.5.html
|
|
|
|
// ProcStatm Provides memory usage information for a process, measured in memory pages.
|
|
// Read from /proc/[pid]/statm.
|
|
type ProcStatm struct {
|
|
// The process ID.
|
|
PID int
|
|
// total program size (same as VmSize in status)
|
|
Size uint64
|
|
// resident set size (same as VmRSS in status)
|
|
Resident uint64
|
|
// number of resident shared pages (i.e., backed by a file)
|
|
Shared uint64
|
|
// text (code)
|
|
Text uint64
|
|
// library (unused since Linux 2.6; always 0)
|
|
Lib uint64
|
|
// data + stack
|
|
Data uint64
|
|
// dirty pages (unused since Linux 2.6; always 0)
|
|
Dt uint64
|
|
}
|
|
|
|
// NewStatm returns the current status information of the process.
|
|
// Deprecated: Use p.Statm() instead.
|
|
func (p Proc) NewStatm() (ProcStatm, error) {
|
|
return p.Statm()
|
|
}
|
|
|
|
// Statm returns the current memory usage information of the process.
|
|
func (p Proc) Statm() (ProcStatm, error) {
|
|
data, err := util.ReadFileNoStat(p.path("statm"))
|
|
if err != nil {
|
|
return ProcStatm{}, err
|
|
}
|
|
|
|
statmSlice, err := parseStatm(data)
|
|
if err != nil {
|
|
return ProcStatm{}, err
|
|
}
|
|
|
|
procStatm := ProcStatm{
|
|
PID: p.PID,
|
|
Size: statmSlice[0],
|
|
Resident: statmSlice[1],
|
|
Shared: statmSlice[2],
|
|
Text: statmSlice[3],
|
|
Lib: statmSlice[4],
|
|
Data: statmSlice[5],
|
|
Dt: statmSlice[6],
|
|
}
|
|
|
|
return procStatm, nil
|
|
}
|
|
|
|
// parseStatm return /proc/[pid]/statm data to uint64 slice.
|
|
func parseStatm(data []byte) ([]uint64, error) {
|
|
var statmSlice []uint64
|
|
statmItems := strings.Fields(string(data))
|
|
for i := 0; i < len(statmItems); i++ {
|
|
statmItem, err := strconv.ParseUint(statmItems[i], 10, 64)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
statmSlice = append(statmSlice, statmItem)
|
|
}
|
|
return statmSlice, nil
|
|
}
|
|
|
|
// SizeBytes returns the process of total program size in bytes.
|
|
func (s ProcStatm) SizeBytes() uint64 {
|
|
return s.Size * uint64(os.Getpagesize())
|
|
}
|
|
|
|
// ResidentBytes returns the process of resident set size in bytes.
|
|
func (s ProcStatm) ResidentBytes() uint64 {
|
|
return s.Resident * uint64(os.Getpagesize())
|
|
}
|
|
|
|
// SHRBytes returns the process of share memory size in bytes.
|
|
func (s ProcStatm) SHRBytes() uint64 {
|
|
return s.Shared * uint64(os.Getpagesize())
|
|
}
|
|
|
|
// TextBytes returns the process of text (code) size in bytes.
|
|
func (s ProcStatm) TextBytes() uint64 {
|
|
return s.Text * uint64(os.Getpagesize())
|
|
}
|
|
|
|
// DataBytes returns the process of data + stack size in bytes.
|
|
func (s ProcStatm) DataBytes() uint64 {
|
|
return s.Data * uint64(os.Getpagesize())
|
|
}
|