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#! /usr/bin/env stap
global start_ts
probe begin {
start_ts = gettimeofday_us()
printf("%12s %5s %5s %-16s ACTION\n",
"TIMESTAMP", "PID", "TID", "EXECNAME")
}
function report(action:string) {
printf("%12d %5d %5d %-16s %s\n", gettimeofday_us() - start_ts,
pid(), tid(), execname(), action)
}
function id:string(task:long) {
return sprintf("p:%d t:%d n:%s", task_pid(task), task_tid(task),
task_execname(task))
}
probe kprocess.create {
report(sprintf("create %s", id(task)))
}
probe kprocess.start {
report("start")
}
probe kprocess.exec {
report(sprintf("exec %s", filename))
}
probe kprocess.exec_complete {
if (success)
report("exec success")
else
report(sprintf("exec failed %d (%s)", errno, errno_str(errno)))
}
probe kprocess.exit {
report(sprintf("exit %d", code))
}
probe kprocess.release {
report(sprintf("remove %s", id(task)))
}
probe signal.send {
report(sprintf("sigsend %d (%s) to %s%s", sig, sig_name, id(task),
shared? " [SHARED]" : ""))
}
probe signal.handle {
report(sprintf("sighandle %d (%s)", sig, sig_name))
}
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