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module.go
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module.go
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// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you 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 profiling
import (
"context"
"github.com/cilium/ebpf/rlimit"
"github.com/apache/skywalking-rover/pkg/core"
"github.com/apache/skywalking-rover/pkg/logger"
"github.com/apache/skywalking-rover/pkg/module"
"github.com/apache/skywalking-rover/pkg/process"
)
const ModuleName = "profiling"
var log = logger.GetLogger("profiling")
type Module struct {
config *Config
manager *Manager
}
func NewModule() *Module {
return &Module{config: &Config{}}
}
func (m *Module) Name() string {
return ModuleName
}
func (m *Module) RequiredModules() []string {
return []string{core.ModuleName, process.ModuleName}
}
func (m *Module) Config() module.ConfigInterface {
return m.config
}
func (m *Module) Start(ctx context.Context, mgr *module.Manager) error {
// Allow the current process to lock memory for eBPF resources.
if err := rlimit.RemoveMemlock(); err != nil {
return err
}
if err := m.config.TaskConfig.Validate(); err != nil {
return err
}
manager, err := NewManager(ctx, mgr, m.config)
if err != nil {
return err
}
m.manager = manager
return nil
}
func (m *Module) NotifyStartSuccess() {
m.manager.Start()
}
func (m *Module) Shutdown(ctx context.Context, mgr *module.Manager) error {
return m.manager.Shutdown()
}