Date: Wed, 18 Jan 2017 14:30:25 -0500 From: Ultima <ultima1252@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: Jakob Alvermark <jakob@alvermark.net>, freebsd-current@freebsd.org, Shawn Webb <shawn.webb@hardenedbsd.org> Subject: Re: r311568 makes freerdp very slow Message-ID: <CANJ8om7vTKZ7cZMRdfRH5C_p_J0H098uV76d1Lb8MqXqFR2O6A@mail.gmail.com> In-Reply-To: <3516356.ILt4XdM4E4@ralph.baldwin.cx> References: <57236.193.12.143.142.1484240708.squirrel@webmail.alvermark.net> <64999.85.229.93.187.1484344018.squirrel@webmail.alvermark.net> <59599.193.12.143.142.1484657191.squirrel@webmail.alvermark.net> <3516356.ILt4XdM4E4@ralph.baldwin.cx>
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I have been affected by this issue as well, just updated to r312388 and it is fixed. Thanks On Wed, Jan 18, 2017 at 1:29 PM, John Baldwin <jhb@freebsd.org> wrote: > On Tuesday, January 17, 2017 01:46:31 PM Jakob Alvermark wrote: > > On Fri, January 13, 2017 22:46, Jakob Alvermark wrote: > > > On Fri, January 13, 2017 19:44, John Baldwin wrote: > > > > > >> On Friday, January 13, 2017 09:58:01 AM Jakob Alvermark wrote: > > >> > > >> > > >>> On Thu, January 12, 2017 19:26, John Baldwin wrote: > > >>> > > >>> > > >>>> On Thursday, January 12, 2017 12:42:11 PM Shawn Webb wrote: > > >>>> > > >>>> > > >>>> > > >>>>> On Thu, Jan 12, 2017 at 06:05:08PM +0100, Jakob Alvermark wrote: > > >>>>> > > >>>>> > > >>>>> > > >>>>>> Hi, > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> r311568 Set MORETOCOME for AIO write requests on a socket. > > >>>>>> > > >>>>>> After this commit freerdp is very slow. > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> Before the password prompt would appear immediately when > > >>>>>> connecting to a server. Now it takes 5-10 seconds. After > > >>>>>> entering the password, another 5-10 seconds until I am > > >>>>>> connected. Once connected, there is a considerable lag. > > >>>>>> > > >>>>>> > > >>>>>> What could be the problem? > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>> > > >>>>> I don't know what the problem is, but I am seeing the same > > >>>>> symptom. > > >>>>> > > >>>>> > > >>>> > > >>>> Can you get a ktrace of the freerdp process during this? The > > >>>> commit should only be setting MORETOCOME if multiple aio_write > > >>>> requests are queued to the same socket (so that TCP can batch them > > >>>> into a single packet). However, it should not affect an application > > >>>> just calling aio_write() on a socket once. > > >>>> > > >>>> -- > > >>>> John Baldwin > > >>>> > > >>>> > > >>> > > >>> Hi John, > > >>> > > >>> > > >>> > > >>> I got the ktrace, what do I do with it? > > >>> > > >>> > > >> > > >> kdump will generate a text representation, perhaps using 'kdump -s' to > > >> not include dumps of raw I/O data. If you can put the output of kdump > > >> at a URL I can fetch from then I can look at it. > > >> > > > > > > OK, here it is: http://filebin.ca/38mkuLau9Yqu/ktrace.out.xfreerdp.txt > > > > > > > > > Thanks, > > > > > > > > > Jakob > > > > Hi, > > > > Did you get any chance to look at this? > > I have not yet, but can you please try the fix in r312387? > > -- > John Baldwin > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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