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diff --git a/zarb-ml/mageia-dev/attachments/20101229/8146cf31/attachment-0001.html b/zarb-ml/mageia-dev/attachments/20101229/8146cf31/attachment-0001.html new file mode 100644 index 000000000..204abe343 --- /dev/null +++ b/zarb-ml/mageia-dev/attachments/20101229/8146cf31/attachment-0001.html @@ -0,0 +1,56 @@ +I made a couple of simple kernel tests with different Mandriva kernels to see if Kernel-RT is really needed or should be recommanded.<br>I used the same song in same daw with qjackctl, same everything, except the kernel.<br> + + +I used the Hunz-Demo-song in Renoise 2.6 with low Frames in QJackctl to force some XRUNS on my Laptop with onboard soundcard. + +<ul><li class="level1"><div class="li"> kernel-desktop-2.6.33.7-2mnb ⇒ 14 XRUNS</div> +</li><li class="level1"><div class="li"> kernel-desktop-tmb-desktop-2.6.34-10mdv ⇒ 10 XRUNS</div> +</li><li class="level1"><div class="li"> kernel-rt-2.6.33.5-1.rt23.1 ⇒ 2 XRUNS</div> +</li></ul>I also use the RTIRQ from Rui Nuno Capela with the Kernel-RT<br><br>any other experiences??<br><br>regards, saschas<br><br><div class="gmail_quote">2010/12/22 Sascha Schneider <span dir="ltr"><<a href="mailto:ungleichklang@gmail.com">ungleichklang@gmail.com</a>></span><br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">This sounds great, <br><br>latest kernel-tmb I see in the repos (64bit) is 2.6.31<br>will test it this eve on my both mashines with my musicapps.<br> +<br>Thanks Thomas<br><br>added this kernel as an option to the wiki<br><br> +regard, saschas<br> <br><div class="gmail_quote">2010/12/22 Thomas Backlund <span dir="ltr"><<a href="mailto:tmb@iki.fi" target="_blank">tmb@iki.fi</a>></span><div><div></div><div class="h5"><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> + +SaschaS skrev 17.12.2010 18:49:<div><br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> +After having a looong chat with the guys from linux4audio and reading<br> +tons of posts in ccrma forum, I must say .....<br> +<br> +Idea with an rt-kernel for netbooks ....... DISMISSED .... it simply<br> +makes no sense.<br> +Those guys mostly use gentoo and build their own kernel for years now<br> +and they gave me the following hints, that also can be found in<br> +discussions of other distributions:<br> +1) the kernel (without preemption-patch) should have<br> +<br> +Processor type and features>> Preemption Mode>> Complete Preemption (Real-Time)<br> +</blockquote> +<br></div> +This is already enabled in kernel-tmb<div><br> +<br> +<br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> +Processor type and features>> Timer frequency>> 1000 HZ<br> +</blockquote> +<br></div> +This is already enabled in all -desktop kernels<div><br> +<br> +<br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> +General setup>> RCU Subsystem>> RCU Implementation (Preemptable tree-based hierarchical RCU)<br> +</blockquote> +<br></div> +This is already enabled in kernel-tmb<div><br> +<br> +<br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> + Proccesor Type and features >> Tickless System (Dynamic Ticks) should<br> +be excluded<br> +</blockquote> +<br></div> +This one you can get by booting with "nohz=off" on the kernel command line.<br> +<br> +--<br><font color="#888888"> +Thomas<br> +</font></blockquote></div></div></div><br> +</blockquote></div><br> diff --git a/zarb-ml/mageia-dev/attachments/20101229/8146cf31/attachment.html b/zarb-ml/mageia-dev/attachments/20101229/8146cf31/attachment.html new file mode 100644 index 000000000..204abe343 --- /dev/null +++ b/zarb-ml/mageia-dev/attachments/20101229/8146cf31/attachment.html @@ -0,0 +1,56 @@ +I made a couple of simple kernel tests with different Mandriva kernels to see if Kernel-RT is really needed or should be recommanded.<br>I used the same song in same daw with qjackctl, same everything, except the kernel.<br> + + +I used the Hunz-Demo-song in Renoise 2.6 with low Frames in QJackctl to force some XRUNS on my Laptop with onboard soundcard. + +<ul><li class="level1"><div class="li"> kernel-desktop-2.6.33.7-2mnb ⇒ 14 XRUNS</div> +</li><li class="level1"><div class="li"> kernel-desktop-tmb-desktop-2.6.34-10mdv ⇒ 10 XRUNS</div> +</li><li class="level1"><div class="li"> kernel-rt-2.6.33.5-1.rt23.1 ⇒ 2 XRUNS</div> +</li></ul>I also use the RTIRQ from Rui Nuno Capela with the Kernel-RT<br><br>any other experiences??<br><br>regards, saschas<br><br><div class="gmail_quote">2010/12/22 Sascha Schneider <span dir="ltr"><<a href="mailto:ungleichklang@gmail.com">ungleichklang@gmail.com</a>></span><br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">This sounds great, <br><br>latest kernel-tmb I see in the repos (64bit) is 2.6.31<br>will test it this eve on my both mashines with my musicapps.<br> +<br>Thanks Thomas<br><br>added this kernel as an option to the wiki<br><br> +regard, saschas<br> <br><div class="gmail_quote">2010/12/22 Thomas Backlund <span dir="ltr"><<a href="mailto:tmb@iki.fi" target="_blank">tmb@iki.fi</a>></span><div><div></div><div class="h5"><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> + +SaschaS skrev 17.12.2010 18:49:<div><br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> +After having a looong chat with the guys from linux4audio and reading<br> +tons of posts in ccrma forum, I must say .....<br> +<br> +Idea with an rt-kernel for netbooks ....... DISMISSED .... it simply<br> +makes no sense.<br> +Those guys mostly use gentoo and build their own kernel for years now<br> +and they gave me the following hints, that also can be found in<br> +discussions of other distributions:<br> +1) the kernel (without preemption-patch) should have<br> +<br> +Processor type and features>> Preemption Mode>> Complete Preemption (Real-Time)<br> +</blockquote> +<br></div> +This is already enabled in kernel-tmb<div><br> +<br> +<br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> +Processor type and features>> Timer frequency>> 1000 HZ<br> +</blockquote> +<br></div> +This is already enabled in all -desktop kernels<div><br> +<br> +<br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> +General setup>> RCU Subsystem>> RCU Implementation (Preemptable tree-based hierarchical RCU)<br> +</blockquote> +<br></div> +This is already enabled in kernel-tmb<div><br> +<br> +<br> +<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> + Proccesor Type and features >> Tickless System (Dynamic Ticks) should<br> +be excluded<br> +</blockquote> +<br></div> +This one you can get by booting with "nohz=off" on the kernel command line.<br> +<br> +--<br><font color="#888888"> +Thomas<br> +</font></blockquote></div></div></div><br> +</blockquote></div><br> |