<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">On November 3, 2015 at 22:35:29, Georgios Kourachanis (<a href="mailto:geo.kourachanis@gmail.com">geo.kourachanis@gmail.com</a>) wrote:</div> <div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><div bgcolor="#FFFFFF" text="#000000"><div></div><div><div class="moz-cite-prefix">Hello Okky,<br><br>To be honest, I don't play any games at the time. But I'd say Tomb Raider and Bioshock Infinite if I were to play something else. Or maybe Crysis 3.</div></div></div></span></blockquote></div><p>Are you experiencing the poor performance on that 3 titles as well? I think I have Tomb Raider installed, but the other 2 need to be downloaded first. On my way.</p><div><div><div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><div bgcolor="#FFFFFF" text="#000000"><div><div class="moz-cite-prefix"><br><br>I guess our hosts are very similar, as I have an ASRock Z77 extreme4 and the i7 3770.<br>I've just installed linux-vfio-lts 4.1.12, too. It actually fixed some crashes of my host whenever I was shutting down the guest.</div></div></div></span></blockquote></div><p>Currently I’m not using linux-vfio-lts, but use the ABS/official version of linux-lts but I modify the PKGBUILD to apply the patches. There are some diff lines between linux-lts’ config and linux-vfio-lts’ config. Though I did install linux-vfio-lts and never had any performance issues.</p></div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><div bgcolor="#FFFFFF" text="#000000"><div><div class="moz-cite-prefix">I've tried without pinning the CPU, and use your topology, and I got a tiny boost in GPU performance, but significant lower CPU performance (about -20%) all tested with passmark.<br><br>I'll try Unigiene Valley benchmark tonight I think. Thanks for the suggestion.<br><br><br>George<br><br></div></div></div></span></blockquote><br class="Apple-interchange-newline"></div><div>Can you share the latest config xml that you use? And probably the resulting QEMU command line when running? (Like the output of ps -ef | grep qemu). </div><div><br></div><div>I’m still on my way to migrating my QEMU script to libvirt XML, here’s my latest QEMU script as of this morning.</div><div><a href="http://pastebin.com/fpfiQg46">http://pastebin.com/fpfiQg46</a> Probably you can use my plain script and modify as needed for now and see if there’s any performance gain? </div><div><br></div><div>I also applied the MSI interrupt handling on the guest using Alex's and Erik’s guides:</div><div><a href="http://vfio.blogspot.co.id/2014/09/vfio-interrupts-and-how-to-coax-windows.html">http://vfio.blogspot.co.id/2014/09/vfio-interrupts-and-how-to-coax-windows.html</a></div><div><a href="https://virtualkvm.com/viewtopic.php?id=11">https://virtualkvm.com/viewtopic.php?id=11</a> </div><div><br></div><div><br></div>Best regards,<br><div><div id="bloop_sign_1446599515444092160" class="bloop_sign"><font face="helvetica, arial">-- </font><br><span data-mce-style="orphans: 2; text-align: -webkit-auto; widows: 2; background-color: #ffffff; color: #020103; font-family: 'Times New Roman', serif;" style="color: rgb(2, 1, 3);"><font face="Calibri"><b>Okky Hendriansyah</b></font></span><div data-mce-style="font-family: Helvetica, Arial; font-size: 13px; orphans: 2; text-align: -webkit-auto; widows: 2; background-color: #ffffff;"><div data-mce-style="font-family: Helvetica; font-size: 12px;"><font face="Times New Roman"><span style="font-size: 12px;"></span></font></div></div></div></div><div><span data-mce-style="orphans: 2; text-align: -webkit-auto; widows: 2; background-color: #ffffff; color: #020103; font-family: 'Times New Roman', serif;" style="color: rgb(2, 1, 3);"><font face="Calibri"><b><br></b></font></span></div></body></html>