On Mon, 22 Dec 2014 12:47:50 -0500 Masami Hiramatsu <masami.hiramatsu...@hitachi.com> wrote:
> Introduce new trace-msg protocol (protocol V2) for more > flexible messaging. V1 protocol which is currently used > by trace-cmd server and client, is based on a simple > text messages. It is impossible to extend the protocol > without breaking backward compatibility. The V2 protocol > introduced by this patch is a binary message-based protocol > and it is able to extend by just adding message tags. > > <How to test> > [1] Backward compatibility checks > We need to test backward compatibility of this patch for old > trace-cmds(client/server). So, this patch was tested for [2] > command checks in following 3 types: > > <client> <server> > new old > old new > new new > > [2] Command checks > - server (common) > # trace-cmd listen -p 12345 > > 1) record > - client > # trace-cmd record -e sched -N <server IP>:12345 > ^C > > 2) record + multiple buffers > - client > # trace-cmd record -B foo -e sched -N <server IP>:12345 > ^C > > 3) extract > - client > # ./trace-cmd start -e sched > # sleep 5 > # ./trace-cmd stop > # ./trace-cmd extract -N <server IP>:12345 > > 4) extract + snapshot > - client > # ./trace-cmd start -e sched > # sleep 5 > # ./trace-cmd snapshot -s > # ./trace-cmd stop > # ./trace-cmd extract -N <server IP>:12345 -s > > Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> > Hi Masami, Is this a rewrite of Yoshihiro's work? I would like to keep the From: from him if he did the initial work, and add both of your signed-off-bys. Note, I did pull in some of his patches to a temp branch and extended on them. I'll look to see if I have to modify this code as well. Thanks! -- Steve -- 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/
