Cacheinfo_sysfs_init

Author: rtye

August undefined, 2024

WebThis patch also add the missing ABI documentation for the cacheinfo sysfs interface already, which is well defined and widely used. Signed-off-by: Sudeep Holla … Web>>> and setup cacheinfo: >>> init_cpu_topology() >>> for_each_possible_cpu() >>> fetch_cache_info() // Allocate cacheinfo and init levels ... >>> CACHE_TYPE_NOCACHE and won't export it through sysfs. >>> > > IIUC this is for the case where arch register doesn't report the system level > cache. I wonder if it makes sense to fix the arch …

cacheinfo.c - drivers/base/cacheinfo.c - Linux source code

WebMar 23, 2024 · After entering 6.3-rc1 the LLC cacheinfo is not exported on our ACPI based arm64 server. This is because the LLC cacheinfo is partly reset when secondary CPUs … http://plrg.eecs.uci.edu/git/?p=firefly-linux-kernel-4.4.55.git;a=commitdiff;h=d97d929f06d0e072cd36fba6bd9d25b29bae34fd probably up lyrics

472824 – sysfs doesn

Web* [PATCH v2 0/8] Add hardware prefetch control driver for arm64 and x86 @ 2024-03-11 10:19 Kohei Tarumizu 2024-03-11 10:19 ` [PATCH v2 1/8] drivers: base: Add hardware prefetch control core driver Kohei Tarumizu ` (8 more replies) 0 siblings, 9 replies; 19+ messages in thread From: Kohei Tarumizu @ 2024-03-11 10:19 UTC (permalink / raw) … http://zhiyisun.github.io/2016/06/25/Get-Cache-Info-in-Linux-on-ARMv8-64-bit-Platform.html WebApr 13, 2024 · Each CPU owns a representation (i.e. has a dedicated cacheinfo struct) of the caches it has access to. cache_leaves_are_shared() tries to identify whether two representations are designating the same actual cache. In cache_leaves_are_shared(), if 'this_leaf' is a L2 cache (or higher) and 'sib_leaf' is a L1 cache, the caches are detected … regal cherrydale stadium 16 showtimes

Cacheinfo_sysfs_init

[PATCH] cacheinfo: Fix LLC is not exported through sysfs

Web[PATCH 2/5] x86, cacheinfo: it's not only cpuid 4 anymore From: Hans Rosenfeld Date: Thu Jun 07 2012 - 12:46:45 EST Next message: Hans Rosenfeld: "[PATCH 4/5] x86, cacheinfo: use find_num_cache_leaves on AMD systems" Previous message: Hans Rosenfeld: "[PATCH 5/5] x86, cacheinfo, amd: fix reported cache parameters for family 0x10" In … WebJan 5, 2024 · Sign in. android / kernel / common / refs/tags/ASB-2024-01-05_4.4-p / . / drivers / base / cacheinfo.c. blob: 70e13cf06ed0988b70352797cdf1e0843b8b577c [] [] [

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WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH] cacheinfo: Fix LLC is not exported through sysfs @ 2024-03-23 12:25 Yicong Yang 2024-03-23 17:58 ` Pierre Gondois 0 siblings, 1 reply; 9+ messages in thread From: Yicong Yang @ 2024-03-23 12:25 UTC (permalink / raw) To: gregkh, rafael, sudeep.holla, pierre.gondois, palmer, … WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed From: Stephen Boyd To: Sudeep Holla Cc: LKML , Heiko Carstens , Lorenzo Pieralisi , Greg Kroah-Hartman , …

WebCreate a cache sysfs directory without ACPI PPTT if the CPU model is A64FX and CONFIG_ALLOW_INCOMPLETE_CACHE_SYSFS is true. Currentry, CONFIG_ALLOW_INCOMPLETE_CACHE_SYSFS is set only when CONFIG_A64FX_HWPF_CONTROL is enabled. Hardware prefetch control driver need … WebAny implementation defined system cache maintenance operations include as a minimum the set of functions defined by ARMv7 cache maintenance operations, with the number of levels of system cache operated on by these cache maintenance operations being implementation defined.

WebThe system-level architecture might define further aspects of the software view of caches and the memory model that are not defined by the ARMv7 processor architecture. These … WebMar 27, 2024 · This is because the LLC cacheinfo is partly reset. >>> when secondary CPUs boot up. On arm64 the primary cpu will allocate. >>> CACHE_TYPE_NOCACHE …

WebNov 24, 2008 · The only processor-dependent failure point here is the call to cpuid4_cache_sysfs_init(), which results in a call to detect_cache_attributes(). Here, …

WebNov 24, 2008 · Summary:sysfs doesn't export CPU cache info for some CPUs Keywords: Status: CLOSED WONTFIX Alias: None Product: Red Hat Enterprise Linux 5 Classification: Red Hat Component: kernel Sub Component: ---Core-Kernel Storage Multiple Devices (MD) regal cheryl purple mumWebMar 27, 2024 · This is because the LLC cacheinfo is partly reset. > >>> when secondary CPUs boot up. On arm64 the primary cpu will allocate. > >>> … regal cherry hill movie theater njWebThis patch also add the missing ABI documentation for the cacheinfo sysfs interface already, which is well defined and widely used. Signed-off-by: Sudeep Holla ... cpu.o firmware.o init.o map.o devres.o \ attribute_container.o transport_class.o \ - topology.o container.o + topology.o container.o cacheinfo.o obj … probably value going medicationWebWysocki The cacheinfo structures are alloced/freed by cpu online/offline callbacks. Originally these were only used by sysfs to expose the cache topology to user space. Without any in-kernel dependencies CPUHP_AP_ONLINE_DYN was an appropriate choice. resctrl has started using these structures to identify CPUs that share a cache. probably urdu meaningWebMar 28, 2024 · This is because the LLC cacheinfo is partly reset. > >>>>> when secondary CPUs boot up. On arm64 the primary cpu will allocate. > >>>>> … regal chessWebFeb 19, 2014 · [PATCH RFC/RFT v3 3/9] ia64: move cacheinfo sysfs to generic cacheinfo infrastructure Sudeep Holla Wed, 19 Feb 2014 08:07:50 -0800 From: Sudeep Holla … regal chestWeb* init_cache_level must setup the cache level correctly * overriding the architecturally specified levels, so * if type is NONE at this stage, it should be unified regal chesapeake