Rdmsrl_safe_on_cpu
WebMar 17, 2016 · entire platform instead of just CPU package. This is useful for thermal. and power control when source of power/thermal is not just CPU/GPU. This change adds a new platform domain (AKA PSys) to the current. power capping Intel RAPL driver. PSys also supports PL1 (long term) and PL2 (short term) control like. WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior.
Rdmsrl_safe_on_cpu
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Web> The rdmsrl_safe() function returns 0 on success. > The current code was failing to detect the RAPL PMU > on real hardware (missing /sys/devices/power) because > the return value of rdmsrl_safe() was misinterpreted. > > Signed-off-by: Stephane Eranian Acked-by: Borislav Petkov -- Regards/Gruss, Boris. … WebClone via HTTPS Clone with Git or checkout with SVN using the repository’s web address.
WebDec 14, 2024 · The rdmsr command reads a Model-Specific Register (MSR) value from the specified address. dbgcmd rdmsr Address Parameters Address Specifies the address of … WebThese domains include package, DRAM controller, CPU core (Power Plane 0), graphics uncore (power plane 1), etc. The purpose of this driver is to expose RAPL for userspace consumption. Overall, RAPL fits in the new powercap class driver in that platform level power capping controls are exposed via this generic interface. Zhang, Rui's initial ...
WebMay 10, 2024 · Split lock is a memory bus lock supported by the CPU to support atomic memory accesses across a cache line. Some processors like ARM and RISC-V do not allow unaligned memory accesses and do not generate atomic accesses across cache lines, so split lock is not generated, while X86 supports it. WebOn Wed, May 30, 2012 at 03:10:02PM +0200, Andre Przywara wrote: > Because we are behind a family check before tweaking the topology > bit, we can use the standard rd/wrmsr variants for the CPUID feature > register. > This fixes a crash when using the kernel as a Xen Dom0 on affected > Trinity systems. The wrmsrl_amd_safe is not properly paravirtualized …
WebHere is a simple scenario to reproduce the issue: 1. Boot up the system 2. Get MSR 0x19a, it should be 0 3. Put the system into sleep, then wake it up 4. Get MSR 0x19a, it shows 0x10, while it should be 0 Although some BIOSen want to change the CPU Duty Cycle during S3, in our case we don't want the BIOS to do any modification.
WebOn Tue, Mar 27, 2024 at 08:22:33PM -0700, Eric Dumazet wrote: > When changing rdmsr_safe_on_cpu() to schedule, I missed that > __rdmsr_safe_on_cpu() was also used … incase 5400mah portable power bankWebFrom: Jacob Pan Having 64-bit MSR access methods on given CPU can avoid shifting and simplify MSR content manipulation. We already have other combinations of rdmsrl_xxx and wrmsrl_xxx but missing the _on_cpu version. incase 13inch macbook pro caseWebIn FIFA 14 you will enjoy international foot ball. and you can also play domestic games. The most interesting feature of this game is that. You can also enjoy many different kinds of popular leagues like English Premier League and La … inclusive songsWebThis patch adds rdmsr_safe_on_cpu_resched() which does not spin. I use this function from msr_read() but future patches might convert other callers to use this variant as well. … incase a.r.c commuter reviewWebAug 4, 2015 · perf/x86: Add an MSR PMU driver. This patch adds an MSR PMU to support free running MSR counters. Such. as time and freq related counters includes TSC, IA32_APERF, IA32_MPERF. and IA32_PPERF, but also SMI_COUNT. The events are exposed in sysfs for use by perf stat and other tools. inclusive solutions trainingWebLinux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA incase 1inch macbookWebstatic inline int rdmsrl_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 *q) 367 {368: return rdmsrl_safe(msr_no, q); 369} 370: static inline int wrmsrl_safe_on_cpu(unsigned int cpu, … incase a word