* Mathieu Desnoyers <[email protected]> wrote: > > Some of the extensive hooking you do in LTT could be aleviated to a > > great degree if you used dynamic probes. For example the syscall > > entry hackery in LTT looks truly scary. > > Yes, agreed. The last time I checked, I thought about moving this > tracing code to the syscall_trace_entry/exit (used for security hooks > and ptrace if I remember well). I just didn't have the time to do it > yet. correct, that's where all such things (auditing, seccomp, ptrace, sigstop, freezing, etc.) hook into. Much (all?) of the current entry.S hacks can go away in favor of a much easier .c patch to do_syscall_trace() and this would reduce a significantion portion of the present intrusiveness of LTTng. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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