Edit File: thread-business.stp
#!/usr/bin/stap global activity // [execname,tid]->syscall-count global activity2 // [execname,tid]->syscall-name-string-history global syscall_history_length = 50 // override with stap -Gsyscall_history_length=NNN global top_threads = 20 probe syscall_any # use tracepoint based syscall_any; we don't need context data { activity[execname(),tid()]<<<1 history = name." ".activity2[execname(),tid()] activity2[execname(),tid()] = substr(history,0,syscall_history_length) } probe timer.s(5) { printf("%16s %6s %5s %-*s\n\n", "execname", "tid", "count", syscall_history_length, "recent syscalls"); foreach ([e,t] in activity- limit top_threads) { printf("%16s %6d %5d %s", e, t, @count(activity[e,t]), activity2[e,t]) printf("\n") } printf("\n") delete activity delete activity2 }