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You can build a simple system or use an existing one like god to watch mission-critical processes. Stack Overflow works best with JavaScript enabled. By clicking "Post Your Answer", ilatdma acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.
The adaptive algorithm traffic into different classes and adjusts the interrupt rate appropriately. By using our site, you acknowledge that you have read and understand our Liunx PolicyPrivacy Policyand our Terms of Service. In linux try this: The processes can then be restarted by your monitor keeping downtime to a minimum when unexpected events occur. Post Your Answer Discard By clicking "Post Your Answer", you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.
Boscoe 3 5. This article is going to address some kernel and driver tweaks that are interesting and useful.
If you want the value to be lower, you can set it using sysctl. Sign up or log in Sign up using Google.
Linux source code: drivers/dma/ioatdma.h (v) - Bootlin
A good place to look for docs is in your kernel source under Documentation, available on the web here: Make sure to select the correct kernel version because docs change as the source changes! I like this post! Sign up using Email and Password. Following are the configurations — Kernel I am using is 2. Now I am facing issue that both drivers do not use this channels at all. Email Required, but never shown.
Kernel is Linux or-rtlb Email Required, but never shown. 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.
I/O Acceleration Technology
Written by Joe Damato July 28th, at 3: The ee driver allows you to pass a command line option InterruptThrottleRate. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. High-speed networking can create thousands of interrupts per second, all of which tell the system something it already knew: Reducing the rate at which the timer fires allows for fewer interruptions of your running processes.
Sign up using Email and Password. Post Your Answer Discard By clicking "Post Your Answer", you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.
NAPI allows drivers to run with some interrupts disabled during times of high traffic, with a corresponding decrease in system load.
These settings are old and outdated and do not work insmod ee. For example, to set the packet size to 1, use: Secondly, always use latest Intel Network Driver igb.
CONFIG_INTEL_IOATDMA: Intel I/OAT DMA support
Some drivers need you to explicitly specify NAPI in the kernel config or on the command line when compiling the driver. When a timer interrupt fires on a CPU, the process running on that CPU is interrupted while the timer interrupt is handled.
If your NIC supports this feature, you can enable it with ethtool:.
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