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https://github.com/hanzoai/visor.git
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Etienne PerotandgVisor bot
ab715c16d0
This moves the initialization of `seccheck.Points` out of package-level `init` and instead moves it to an explicit `seccheck.Initialize()` function. On AMD64, this saves about 614KiB of heap memory that would otherwise always be live. PiperOrigin-RevId: 514813332
73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
// Copyright 2022 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package trace provides subcommands for the trace command.
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package trace
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import (
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"bytes"
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"context"
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"github.com/google/subcommands"
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"gvisor.dev/gvisor/pkg/sentry/seccheck"
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"gvisor.dev/gvisor/runsc/flag"
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)
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// Trace implements subcommands.Command for the "trace" command.
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type Trace struct{}
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// Name implements subcommands.Command.
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func (*Trace) Name() string {
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return "trace"
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}
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// Synopsis implements subcommands.Command.
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func (*Trace) Synopsis() string {
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return "manages trace sessions for a given sandbox"
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}
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// Usage implements subcommands.Command.
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func (*Trace) Usage() string {
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buf := bytes.Buffer{}
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buf.WriteString("Usage: trace <flags> <subcommand> <subcommand args>\n\n")
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cdr := createCommander(&flag.FlagSet{})
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cdr.VisitGroups(func(grp *subcommands.CommandGroup) {
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cdr.ExplainGroup(&buf, grp)
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})
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return buf.String()
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}
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// SetFlags implements subcommands.Command.
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func (*Trace) SetFlags(f *flag.FlagSet) {}
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// Execute implements subcommands.Command.
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func (*Trace) Execute(ctx context.Context, f *flag.FlagSet, args ...any) subcommands.ExitStatus {
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seccheck.Initialize()
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return createCommander(f).Execute(ctx, args...)
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}
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func createCommander(f *flag.FlagSet) *subcommands.Commander {
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cdr := subcommands.NewCommander(f, "trace")
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cdr.Register(cdr.HelpCommand(), "")
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cdr.Register(cdr.FlagsCommand(), "")
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cdr.Register(new(create), "")
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cdr.Register(new(delete), "")
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cdr.Register(new(list), "")
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cdr.Register(new(metadata), "")
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cdr.Register(new(procfs), "")
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return cdr
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}
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