1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
package procfs
import (
"os"
"testing"
)
func TestProcStat(t *testing.T) {
p, err := FS("fixtures").NewProc(26231)
if err != nil {
t.Fatal(err)
}
s, err := p.NewStat()
if err != nil {
t.Fatal(err)
}
for _, test := range []struct {
name string
want int
have int
}{
{name: "pid", want: 26231, have: s.PID},
{name: "user time", want: 1677, have: int(s.UTime)},
{name: "system time", want: 44, have: int(s.STime)},
{name: "start time", want: 82375, have: int(s.Starttime)},
{name: "virtual memory size", want: 56274944, have: s.VSize},
{name: "resident set size", want: 1981, have: s.RSS},
} {
if test.want != test.have {
t.Errorf("want %s %d, have %d", test.name, test.want, test.have)
}
}
}
func TestProcStatComm(t *testing.T) {
s1, err := testProcStat(26231)
if err != nil {
t.Fatal(err)
}
if want, have := "vim", s1.Comm; want != have {
t.Errorf("want comm %s, have %s", want, have)
}
s2, err := testProcStat(584)
if err != nil {
t.Fatal(err)
}
if want, have := "(a b ) ( c d) ", s2.Comm; want != have {
t.Errorf("want comm %s, have %s", want, have)
}
}
func TestProcStatVirtualMemory(t *testing.T) {
s, err := testProcStat(26231)
if err != nil {
t.Fatal(err)
}
if want, have := 56274944, s.VirtualMemory(); want != have {
t.Errorf("want virtual memory %d, have %d", want, have)
}
}
func TestProcStatResidentMemory(t *testing.T) {
s, err := testProcStat(26231)
if err != nil {
t.Fatal(err)
}
if want, have := 1981*os.Getpagesize(), s.ResidentMemory(); want != have {
t.Errorf("want resident memory %d, have %d", want, have)
}
}
func TestProcStatStartTime(t *testing.T) {
s, err := testProcStat(26231)
if err != nil {
t.Fatal(err)
}
time, err := s.StartTime()
if err != nil {
t.Fatal(err)
}
if want, have := 1418184099.75, time; want != have {
t.Errorf("want start time %f, have %f", want, have)
}
}
func TestProcStatCPUTime(t *testing.T) {
s, err := testProcStat(26231)
if err != nil {
t.Fatal(err)
}
if want, have := 17.21, s.CPUTime(); want != have {
t.Errorf("want cpu time %f, have %f", want, have)
}
}
func testProcStat(pid int) (ProcStat, error) {
p, err := FS("fixtures").NewProc(pid)
if err != nil {
return ProcStat{}, err
}
return p.NewStat()
}
|
