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# cpuset
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## CpuSet
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CpuSet is small C-written application providing a frontend to mechanism for assigning a set of CPUs and Memory
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Nodes to a set of tasks. Cpusets constrain the CPU and Memory placement of tasks to only the resources within
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a task's current cpuset by utilizing a cgroups mechanism.
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This small application is designed to be used with QEMU. Available arguments:
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* -e: Enables the 'host' cgroup and moves all possible tasks into it, except the parent process. Thanks to that,
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the console stays at root group and allows to launch qemu outside of the group with limited resources.
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* -d: Disabled to 'host' group and reverts all changes.
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* -c: Specifies the CPU cores assigned for 'host' group
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* -m: Memory Node assigned for 'host' group
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## Usage Example
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#!/bin/sh
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cpuset -e -c 0-1,8-9 -m 0
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qemu-system-x86_64 (...)
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cpuset -d
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If script is not being launched as root, cpuset binary needs to have SETUID enabled!
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