WebOct 18, 2024 · Hi, I’m using the Jetson AGX as a root port and a nVIDIA dev board as GPIO endpoint. I’m able to measured the Interrupt Latency between two gpio pins is well. By default, IRQ affinity is setup to the CPU0 core of the Jetson AGX. Here is a view of the IRQ associated with my GPIO driver : cat /proc/interrupts grep gpio 247: 0 0 0 0 0 0 0 0 … WebSep 19, 2011 · I am having a hard time finding information about how to set cpu affinity for linux kernel (with all of its loaded modules), NOT for a specific process. This is because I want the kernel to run on CPU 0 all the time to handle I/O stuff, and not do any switches to run on other 3 CPUs because it may pollute L1 and L2 caches. Thanks in advance. Nulik
Performance Tuning tools for Mellanox Network Adapters
WebMar 27, 2024 · IRQ affinity is handled at parent IRQ chip (GIC or INTR - GIC). This will provide consistent userspace irrespective of module load/unload or probe order. Based on discussions at [0] Since RFC v1: Rewrite patches to reserve few VINTs for direct mapping. WebSetting Interrupt Affinity on AMD64 and Intel 64 6.3.8. Configuring CPU, Thread, and Interrupt Affinity with Tuna 7. ... In Red Hat Enterprise Linux 7, the default profile is throughput-performance. The profiles provided with tuned are divided into two categories: power-saving profiles, and performance-boosting profiles. inspiro physiotherapy
How to set CPU affinity for a process from C or C++ in Linux?
WebHard interrupts can be seen in /proc/interrupts where each queue has an interrupt vector in the 1st column assigned to it. These are initialized when the system boots or when the … WebFeb 4, 2024 · NVMe devices are supposed to have multiple command queues with associated interrupts, so interrupts can be delivered to the CPU that requested the operation. For an emulated virtual disk, this is the CPU running the I/O thread, which then decides if the VM CPU needs to be interrupted to deliver the emulated interrupt. inspiron xps 比較 13