Coresight pmu

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August undefined, 2024

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. WebMay 30, 2024 · PMU PMUv3 Debug ... CoreSight CoreSightv3 Embedded Trace Macrocell ETMv4.2 (Instruction trace) Moving on to the GPU, ARM has also prepared a new product. The Mali-G72 is a successor of the …

Arm CoreSight Architecture

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 CoreSight PMU architecture. The driver also provides interface to get vendor/implementation specific information, for example event attributes and formating. 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 … rich murray

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

WebPariez en ligne sur toutes les courses hippiques du PMU: pronostics, résultats, cotes, arrivées, rapports, vidéo des courses, tout le turf est sur PMU.fr ! 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) +{+ /* WebARM 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. rich murray obituary

ARM Coresight PMU: - lkml.org

Web#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 … WebApr 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 … rich murray cabinetsWebMar 12, 2024 · It would be helpful if you could share the example Device tree with coresight enabled. Another question is that how can we include coresight into the perf tool? As the included perf recipe is missing the coresight package configuration. Thanks in advance. rich murray baseball

"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. " - Coresight pmu

Coresight pmu

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 convention is to have data trace IDs be I(N) + 1, * set instruction trace IDs as a function of the CPU number. */ return (CORESIGHT_ETM_PMU_SEED + (cpu * 2 ... WebThe CTI enables the debug logic, ETM, and PMU, to interact with each other and with other CoreSight components. This is called cross triggering. For example, you can configure the CTI to generate an interrupt when the ETM trigger event occurs. The CTI is connected to a number of trigger inputs and trigger outputs.

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Web* Author: Mathieu Poirier */ #include #include #include #include #include #include #include #include #include #include #include … 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. ...

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 ... 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 …

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 */ …

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. …

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. rich murray facebookWebSep 29, 2024 · Add support for ARM CoreSight PMU driver framework and interfaces. The driver provides generic implementation to operate uncore PMU based on ARM … red room salon south daytonaWebSep 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 … red room scpWebThe 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 ... red room san franciscoWebJoin Coresight. Coresight Research is seeking talented researchers and subject matter experts for our global team to provide insights and perspectives on the issues and … red room scary movieWebQuick review for Arm PMU Nowadays, modern CPUs provide performance monitoring unit (PMU) to count CPU clock cycle, cache and branch events for profiling. A PMU is useful … rich murray giantsWebJan 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. red room schedule