Coresight pmu

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August undefined, 2024

WebDec 15, 2024 · - Support for the Arm CoreSight PMU architecture as well as NVIDIA's implementation of this architecture. This CoreSight performance monitoring unit driver is not related to CoreSight Self-Hosted Tracing and is a new optional hardware uncore feature. More details on the ARM64 changes this round via the already honored pull request. WebFeb 25, 2024 · This series applies on linux-next/master (from tag next-20240222), and is also available here [0]. Patches 1 & 2: UABI updates for perf AUX flag format. We reserve a byte for advertising the format of the buffer when the PMU could support different formats. The CoreSight PMUs could use Frame formatted data and Raw format of the trace source.

linux/coresight.rst at master · torvalds/linux · GitHub

WebNov 10, 2024 · The ETE support is added by extending the ETMv4 driver to recognise the ETE and handle the features as exposed by the TRCIDRx registers. ETE only supports system instructions access from the host CPU. The ETE could be integrated with a TRBE (see below), or with the legacy CoreSight trace bus (e.g, ETRs). Thus the ETE follows … WebAug 4, 2024 · I know that Linaro did an integration of Coresight OpenCSD library into perf, which also supports Coresight PMU. Is anyth... NVIDIA Developer Forums Coresight PTM on Jetson TX2. Autonomous Machines. Jetson & Embedded Systems. Jetson TX2. stojang March 4, 2024, 1:36pm 1. Hello, I’m trying to use Coresight PTM to do a trace on TX2. ... easy homemade family recipes

Documentation – Arm Developer

WebThis site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies. If you are not happy with the use of these cookies, please … WebDefine the trace formats exported by the CoreSight PMU. We don't define the flags following the "ETM" as this information is available to the user when issuing the session. What is missing is the additional formatting applied by the "sink" which is decided at the runtime and the user may not have a control on. WebNov 29, 2015 · Mathieu Poirier Sun, 29 Nov 2015 18:20:57 -0800. Perf is a well known and used tool for performance monitoring and much more. A such it is an ideal candidate for … easy homemade hawaiian rolls

Coresight - HW Assisted Tracing on ARM - Kernel

linux/coresight-pmu.h at master · torvalds/linux · GitHub

Web•Updated HID deﬁnition for Arm CoreSight PMU Architecture PMU device to match deﬁnitions in DEN0117. • Added the ACPI AGDI table. This table describes a Generic Diagnostic Dump and Reset device interface. •Added clarifying text on the differences between CMN-600 and other CMN networks in terms of the way their register blocks are ... WebNov 11, 2015 · This patchset aims to integrate configuration and control of the Coresight tracers with the perf sub-system. The goal is to use PMUs to represent tracers and the auxiliary buffer enhancement to collect processor traces. easy homemade honey wheat bread recipeWebDefine the trace formats exported by the CoreSight PMU. We don't define the flags following the "ETM" as this information is available to the user when issuing the session. … easy homemade cranberry sauce recipe

"WebA Coresight PMU works the same way as any other PMU, i.e the name of the PMU is listed along with configuration options within forward slashes '/'. Since a Coresight system will typically have more than one sink, the name of the sink to work with needs to be specified as an event option. On newer kernels the available sinks are listed in sysFS ... " - Coresight pmu

Coresight pmu

arm64: coresight: Enable ETE and TRBE [LWN.net]

WebJun 30, 2015 · Also common are breakpoint units and Performance Monitoring Units (PMU). CoreSight provides an Embedded Cross Trigger mechanism to synchronize or distribute … WebThe CoreSight Access Library (CSAL) provides an API which enables user code to interact directly with CoreSight devices on a target. This allows, for example, program execution trace to be captured in a production system without the need to have an external debugger connected. The saved trace can be retrieved later and loaded into a debugger ...

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WebMay 8, 2024 · Currently the driver is probing "arm-coresight-pmu" device, however the APMT spec supports different kinds of CoreSight PMU based implementation. So it is … WebSep 29, 2024 · Add support for ARM CoreSight PMU driver framework and interfaces. The driver provides generic implementation to operate uncore PMU based on ARM …

WebSep 11, 2014 · A Coresight PMU works the same way as any other PMU, i.e the name of the PMU is listed along with configuration options within forward slashes ‘/’. Since a … Web#define _LINUX_CORESIGHT_PMU_H #define CORESIGHT_ETM_PMU_NAME "cs_etm" +#define CORESIGHT_ETM_PMU_SEED 0x10 /* ETMv3.5/PTM's ETMCR config bit */ #define ETM_OPT_CYCACC 12 #define ETM_OPT_TS 28 +static inline int coresight_get_trace_id(int cpu) +{+ /*

WebJun 27, 2016 · The astute reader will notice that cpu[0… 5] are not part of the typical sysFS entries associated with PMUs, and they will be correct. Upon successful registration with … Webstatic inline int coresight_get_trace_id(int cpu) {/* * A trace ID of value 0 is invalid, so let's start at some * random value that fits in 7 bits and go from there. Since * the common …

WebUnits (PMU). CoreSight provides an Embedded Cross Trigger mechanism to synchronize or distribute debug requests and profiling information across the SoC. Cross Triggering …

WebCoreSight PMU ABI. For easier maintenance and avoid confusion, this patch refines the comment to clarify perf options, and gives out the background info for these bits are coming from ETMv3.5/PTM. Afterwards, we should take these options as general knobs, and if there have any confliction with easy homemade fajita seasoning recipeWebArm CoreSight architecture documents consist of a set of architectural specifications to support the integration of various IP components in a standardised way. You need to … easy homemade hard rolls tmhWebFeb 9, 2024 · This series adds support for the trace performance monitoring and diagnostics hardware (TPDM and TPDA). It is composed of two major elements. a) Changes for original coresight framework to support for TPDM and TPDA. b) Add driver code for TPDM and TPDA. Introduction of changes for original coresight framework Support TPDM as new … easy homemade egyptian kebabs recipeWebJoin Coresight. Coresight Research is seeking talented researchers and subject matter experts for our global team to provide insights and perspectives on the issues and … easy homemade flaky pie crust with butterWebARM DynamIQ Shared Unit integrates one or more cores with an L3 memory system, control logic and external interfaces to form a multicore cluster. The PMU allows counting the various events related to the L3 cache, Snoop Control Unit etc, using 32bit independent counters. It also provides a 64bit cycle counter. easy homemade foot soakWebApr 5, 2024 · Coresight path between ETE and TRBE are not built during boot looking at respective DT or ACPI entries. Unlike traditional sinks, TRBE can generate interrupts to signal including many other things, buffer got filled. The interrupt is a PPI and should be communicated from the platform. DT or ACPI entry representing TRBE should have the … easy homemade french onion dipWebJan 16, 2024 · Archive-link: Article. The current method for allocating trace source ID values to sources is to use a fixed algorithm for CPU based sources of (cpu_num * 2 + 0x10). The STM is allocated ID 0x1. This fixed algorithm is used in both the CoreSight driver code, and by perf when writing the trace metadata in the AUXTRACE_INFO record. easy homemade dog treats pumpkin