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
|
// Copyright 2022 The gVisor 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 trace
import (
"context"
"fmt"
"github.com/google/subcommands"
"gvisor.dev/gvisor/runsc/cmd/util"
"gvisor.dev/gvisor/runsc/config"
"gvisor.dev/gvisor/runsc/container"
"gvisor.dev/gvisor/runsc/flag"
)
// list implements subcommands.Command for the "list" command.
type list struct{}
// Name implements subcommands.Command.
func (*list) Name() string {
return "list"
}
// Synopsis implements subcommands.Command.
func (*list) Synopsis() string {
return "list all trace sessions"
}
// Usage implements subcommands.Command.
func (*list) Usage() string {
return `list - list all trace sessions
`
}
// SetFlags implements subcommands.Command.
func (*list) SetFlags(*flag.FlagSet) {}
// Execute implements subcommands.Command.
func (l *list) Execute(_ context.Context, f *flag.FlagSet, args ...any) subcommands.ExitStatus {
if f.NArg() != 1 {
f.Usage()
return subcommands.ExitUsageError
}
id := f.Arg(0)
conf := args[0].(*config.Config)
opts := container.LoadOpts{
SkipCheck: true,
RootContainer: true,
}
c, err := container.Load(conf.RootDir, container.FullID{ContainerID: id}, opts)
if err != nil {
util.Fatalf("loading sandbox: %v", err)
}
sessions, err := c.Sandbox.ListTraceSessions()
if err != nil {
util.Fatalf("listing sessions: %v", err)
}
fmt.Printf("SESSIONS (%d)\n", len(sessions))
for _, session := range sessions {
fmt.Printf("%q\n", session.Name)
for _, sink := range session.Sinks {
fmt.Printf("\tSink: %q, dropped: %d\n", sink.Name, sink.Status.DroppedCount)
}
}
return subcommands.ExitSuccess
}
|
