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Variables

var ErrSysprobeUnsupported = errors.New("system-probe unsupported")

ErrSysprobeUnsupported is the unsupported error prefix, for error-class matching from callers

var NetworkTracer = api.Factory{
	Name: "network_tracer",
	Fn: func(cfg *config.AgentConfig) (api.Module, error) {

		if supported, msg := ebpf.IsTracerSupportedByOS(cfg.ExcludedBPFLinuxVersions); !supported {
			return nil, fmt.Errorf("%s: %s", ErrSysprobeUnsupported, msg)
		}

		log.Infof("Creating tracer for: %s", filepath.Base(os.Args[0]))

		t, err := ebpf.NewTracer(config.SysProbeConfigFromConfig(cfg))
		return &networkTracer{tracer: t}, err
	},
}

NetworkTracer is a factory for NPM's tracer

var OOMKillProbe = api.Factory{
	Name: "oom_kill_probe",
	Fn: func(cfg *config.AgentConfig) (api.Module, error) {
		if !cfg.CheckIsEnabled("OOM Kill") {
			log.Info("OOM kill probe disabled")
			return nil, api.ErrNotEnabled
		}

		log.Infof("Starting the OOM Kill probe")
		okp, err := ebpf.NewOOMKillProbe()
		return &oomKillModule{okp}, err
	},
}

OOMKillProbe Factory

var TCPQueueLength = api.Factory{
	Name: "tcp_queue_length_tracer",
	Fn: func(cfg *config.AgentConfig) (api.Module, error) {
		if !cfg.CheckIsEnabled("TCP queue length") {
			log.Infof("TCP queue length tracer disabled")
			return nil, api.ErrNotEnabled
		}

		t, err := ebpf.NewTCPQueueLengthTracer()
		if err != nil {
			log.Errorf("unable to start the TCP queue length tracer: %v", err)
		}

		return &tcpQueueLengthModule{t}, nil
	},
}

TCPQueueLength Factory