LINUX IOATDMA DRIVER

Stack Overflow works best with JavaScript enabled. Marin — Built for WordPress. A good place to look for docs is in your kernel source under Documentation, available on the web here: Email Required, but never shown. Intel Corporation Gigabit Network Connection rev 01 The processes can then be restarted by your monitor keeping downtime to a minimum when unexpected events occur. Some drivers allow the user to specify the rate at which the NIC will generate interrupts.

Uploader: Daizahn
Date Added: 26 July 2006
File Size: 43.26 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 36933
Price: Free* [*Free Regsitration Required]

NAPI-compliant drivers can often cause packets to be dropped in the network adaptor itself, before the kernel sees them at all.

As always, check your driver documentation for more information. And dmachannels show that.

CONFIG_INTEL_IOATDMA: Intel I/OAT DMA support

Useful kernel and driver performance tweaks for your Linux server View Comments This article is going to address some kernel and driver tweaks that are interesting and useful. Post as a guest Name. Email Required, but never shown.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. So it’s probably a good thing that it’s not working. You can view the current setting with: NAPI provides two major features 1: If your NIC supports this feature, you can enable it with ethtool: Secondly, always use latest Intel Network Driver igb.

  DREAMGEAR SHADOW PC DRIVER

Useful kernel and driver performance tweaks for your Linux server at time to bleed by Joe Damato

Thanks for sharing, This is really good oneI will keep visiting your blog, You have shared an interesting blog!! If that is the case, see my last blog post for how to enable DCA manually.

Same is for all channels. However ethtool shows traffic and packets received.

I/O Acceleration Technology

This means that during idle periods, fewer timer interrupts will fire, which should lead to power savings, cooler running systems, and fewer useless context switches. The ee driver allows you to pass a command line option InterruptThrottleRate.

The epoll interface is designed to easily scale to large numbers of file descriptors. Ulka Vaze 6 2.

I/O Acceleration Technology – Wikipedia

The tickless kernel feature allows for on-demand timer interrupts. I want to test both ee and ixgbe drivers with crystal ilatdma dma. GreenReaper 1 12 Posted in linuxmonitoringsystems.

A ioatsma place to look for docs is in your kernel source under Documentation, available on the web here: These settings are old and outdated and do not work insmod ee. If your NIC supports this feature, you can enable it with ethtool:.

  IRIVER T50 DRIVER

So why is dma channels not getting used? This is useful because you can pin the interrupt handlers for your NICs to specific CPUs so that when a shared resource is touched a lock in the network stack and ooatdma to a CPU cache, the next time the handler runs, it will be put on the same CPU avoiding costly cache invalidations that can occur if the handler is put on a different CPU.

Sign up using Email and Password.

For example, to set the packet size to 1, use: How big are the packets you’re sending through? You can view the current setting with:. Written by Joe Damato July 28th, at 3: If you are unsure, check your driver documentation.