java

type Hotspot ¶

type Hotspot struct {
	// contains filtered or unexported fields
}

Hotspot java has a specific protocol, described here:

o touch .attach_pid<pid-of-java>
o kill -SIGQUIT <pid-of-java>
o java process check if .attach_pid<his-pid> exit
o then create a unix socket .java_pid<his-pid>
o we can write command through the unix socket
<pid-of-java> refers to the namespaced pid of the process.

Public documentation https://openjdk.org/groups/hotspot/docs/Serviceability.html#battach

func NewHotspot(pid int, nsPid int) (*Hotspot, error)

func (h *Hotspot) Attach(agentPath string, args string, uid int, gid int) error