On Thu, 1 May 2014, Peter Zijlstra wrote: > On Thu, May 01, 2014 at 12:51:33AM +0200, Thomas Gleixner wrote: > > And that's the issue which puzzles us. Let's look at what we expect: > > > > Now the trace shows a different story: > > > > perf_fuzzer-4387 [001] 1802.628659: sys_enter: > NR 298 (69bb58, 0, ffffffff, 12, 0, 0) > > That's a per-cpu event (.pid = -1, .cpu = 12), they don't get inherited, > so the only thing keeping it alive is the fd the child got. So > exit_files() killing this thing makes perfect sense.
wait, are you sure? Isn't that pid=0, cpu=-1, group_fd=12? my machine only has 8 cpus... Vince -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/