Rdmsrl_safe_on_cpu
WebIt is to replace the legacy ACPI P-States control, * allows a flexible, low-latency interface for the Linux kernel to directly. * communicate the performance hints to hardware. *. * AMD P-State is supported on recent AMD Zen base CPU series include some of. * Zen2 and Zen3 processors. _CPC needs to be present in the ACPI tables of AMD. WebMar 1, 2024 · rdmsrl_safe is called 4 times in the kernel module to read the specified performance counters. At this point, the user application has not called tsc_now yet. ioctl is about return to use mode and so exit_to_usermode_loop is called. Your kprobe handler gets executed. It reads the same performance counters and the values obtained will be larger ...
Rdmsrl_safe_on_cpu
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WebJul 4, 2024 · From: Josh Poimboeuf <> Subject [RFC PATCH] x86: Remove X86_FEATURE_MFENCE_RDTSC: Date: Thu, 4 Jul 2024 10:46:37 -0500 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.
Webrdmsr is a tool used for reading a CPU's machine specific registers (MSR). Note: if you're running a Debian kernel, be sure that the msr.ko kernel module is loaded. 'modprobe msr' … 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 …
WebAug 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. WebJun 2, 2010 · rdmsrl_safe identifier - Linux source code (v6.2.10) - Bootlin. Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel …
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WebFeb 23, 2024 · This article provides a solution to an issue where a computer freezes or user logon is slow when you connect to the computer by using Remote Desktop Protocol … how to take care of a fledgling robinready mix concrete salisbury mdWeb"CPU Core May Machine Check When System Software Changes Page Tables Dynamically" - worked around by setting bit 47. 15h Errata 674 "Processor May Cache Prefetched Data from Remapped Memory Region" - worked around by setting bit 13. C001_1023: K8 Errata 69 "Multiprocessor Coherency Problem with Hardware Prefetch Mechanism" - worked around … how to take care of a german shepherdWebrdmsrl_safe_on_cpu Function report Linux Kernel v5.5.9 Brick Technologies Co., Ltd Annotation kernel can get tool activity Download SCCT Chinese … ready mix concrete scunthorpeWebIn 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 … how to take care of a fig treeWeb> 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. … ready mix concrete safety topicsWeb* [PATCH 1/2] x86/msr: add on cpu read/modify/write function 2015-12-11 22:40 [PATCH 0/2] combine remote cpu msr access Jacob Pan @ 2015-12-11 22:40 ` Jacob Pan 2015-12-20 13:28 ` Thomas Gleixner 2015-12-11 22:40 ` [PATCH 2/2] powercap/rapl: reduce ipi calls Jacob Pan 1 sibling, 1 reply; 6+ messages in thread From: Jacob Pan @ 2015-12-11 22:40 ... how to take care of a gerbil for beginners