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authorAubrey Li <aubrey.li@linux.intel.com>2019-06-06 03:22:34 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-06-12 11:42:13 +0200
commit68bc30bb9f33fc8d11e3d110d29e06490896a999 (patch)
tree22aa1b841048299299d3a0e9be95d35aa3d27584 /block/elevator.c
parentLinux 5.2-rc4 (diff)
downloadlinux-68bc30bb9f33fc8d11e3d110d29e06490896a999.tar.xz
linux-68bc30bb9f33fc8d11e3d110d29e06490896a999.zip
proc: Add /proc/<pid>/arch_status
Exposing architecture specific per process information is useful for various reasons. An example is the AVX512 usage on x86 which is important for task placement for power/performance optimizations. Adding this information to the existing /prcc/pid/status file would be the obvious choise, but it has been agreed on that a explicit arch_status file is better in separating the generic and architecture specific information. [ tglx: Massage changelog ] Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Andrew Morton <akpm@linux-foundation.org> Cc: peterz@infradead.org Cc: hpa@zytor.com Cc: ak@linux.intel.com Cc: tim.c.chen@linux.intel.com Cc: dave.hansen@intel.com Cc: arjan@linux.intel.com Cc: adobriyan@gmail.com Cc: aubrey.li@intel.com Cc: linux-api@vger.kernel.org Cc: Andy Lutomirski <luto@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Linux API <linux-api@vger.kernel.org> Link: https://lkml.kernel.org/r/20190606012236.9391-1-aubrey.li@linux.intel.com
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