1// Copyright 2020 The Prometheus Authors 2// Licensed under the Apache License, Version 2.0 (the "License"); 3// you may not use this file except in compliance with the License. 4// You may obtain a copy of the License at 5// 6// http://www.apache.org/licenses/LICENSE-2.0 7// 8// Unless required by applicable law or agreed to in writing, software 9// distributed under the License is distributed on an "AS IS" BASIS, 10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11// See the License for the specific language governing permissions and 12// limitations under the License. 13 14// +build !windows 15 16package procfs 17 18import ( 19 "testing" 20) 21 22func BenchmarkProcSMapsRollup(b *testing.B) { 23 fs, err := NewFS(procTestFixtures) 24 if err != nil { 25 b.Fatalf("Creating pseudo fs from getProcFixtures failed at fixtures/proc with error: %s", err) 26 } 27 28 p, err := fs.Proc(26231) 29 if err != nil { 30 b.Fatal(err) 31 } 32 33 b.ResetTimer() 34 for n := 0; n < b.N; n++ { 35 _, _ = p.ProcSMapsRollup() 36 } 37} 38 39func TestProcSmapsRollup(t *testing.T) { 40 p, err := getProcFixtures(t).Proc(26231) 41 if err != nil { 42 t.Fatal(err) 43 } 44 45 s1, err := p.ProcSMapsRollup() 46 if err != nil { 47 t.Fatal(err) 48 } 49 50 s2, err := p.procSMapsRollupManual() 51 if err != nil { 52 t.Fatal(err) 53 } 54 55 cases := []struct { 56 name string 57 smaps ProcSMapsRollup 58 }{ 59 { 60 name: "ProcSMapsRollup", 61 smaps: s1, 62 }, 63 { 64 name: "procSMapsRollupManual", 65 smaps: s2, 66 }, 67 } 68 69 for _, c := range cases { 70 for _, test := range []struct { 71 name string 72 want uint64 73 have uint64 74 }{ 75 {name: "Rss", want: 29948 * 1024, have: c.smaps.Rss}, 76 {name: "Pss", want: 29944 * 1024, have: c.smaps.Pss}, 77 {name: "SharedClean", want: 4 * 1024, have: c.smaps.SharedClean}, 78 {name: "SharedDirty", want: 0 * 1024, have: c.smaps.SharedDirty}, 79 {name: "PrivateClean", want: 15548 * 1024, have: c.smaps.PrivateClean}, 80 {name: "PrivateDirty", want: 14396 * 1024, have: c.smaps.PrivateDirty}, 81 {name: "Referenced", want: 24752 * 1024, have: c.smaps.Referenced}, 82 {name: "Anonymous", want: 20756 * 1024, have: c.smaps.Anonymous}, 83 {name: "Swap", want: 1940 * 1024, have: c.smaps.Swap}, 84 {name: "SwapPss", want: 1940 * 1024, have: c.smaps.SwapPss}, 85 } { 86 if test.want != test.have { 87 t.Errorf("want %s %s %d, have %d", c.name, test.name, test.want, test.have) 88 } 89 } 90 } 91} 92