* Mathieu Desnoyers <[email protected]> wrote: > > > Third run : same LTTng instrumentation, with a kprobe handler > > > triggered by each event traced. > > > > where exactly did you put the kprobe handler? > > ltt_relay_reserve_slot. > > See http://ltt.polymtl.ca/svn/tests/kernel/test-kprobes.c to insert > the kprobe. Tests done on LTTng 0.5.111, on a x86 3GHz with > hyperthreading. ok. In what way did you enable LTTng instrumentation? I have 0.5.108 installed, and i'd like to make sure i do everything as you did, to make the tests comparable. Which kernel config options (default ones?), and what precise lttcl commands did you use, were they the usual: lttctl -n trace -d -l /mnt/debugfs/ltt -t /tmp/trace ? What filesystem does /tmp/trace reside on? 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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