* Francis Giraldeau ([email protected]) wrote: > Le 2012-07-03 00:23, Mathieu Desnoyers a écrit : > > * Francis Giraldeau ([email protected]) wrote: > >> By writing to the file /proc/lttng_uevent, a user-space application > >> creates a > >> kernel event. The event's payload is by default UTF-8 text, but any data > >> can be > >> written, up to 1024 bytes. Null-character is optional and is not enforced. > > > > The 1024 byte limit is removed now, right ? > > Exactly.
OK, please provide an updated version with the updated changelog. > > >> + * Expose kernel tracer to user-space through /proc/lttng > > I just saw a typo here, we should read "through /proc/lttng_uevent" Same here. > > >> + * Copyright (C) 2009-2012 Mathieu Desnoyers > >> <[email protected]> > > > > you might want to add your own copyright in here too. > > I transfer you the copyright. Thanks! One more thing: In the testing you did, did you try running, in parallel: for a in $(seq 1 10000); do modprobe nameofuevent_module rmmod nameofevent_module done and in 4 another terminals: echo "blahblahblah" > /proc/lttng_uevent ? I understand that you tested only the write path in parallel, but I'm not sure, from your changelog, that you stress-tested load/unload vs write. Thanks, Mathieu > > Thanks! > > Francis > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
