System Performance Analysis and the Arm Performance Monitor …
Feb 19, 2015 · Carbon models instrument the PMU registers and record PMU events into the The specified item was not found. System Analyzer database without any software programming. …
Profile firmware with PMU in Armv8-A CPU - Arm Community
Nov 8, 2023 · In the PMU library, you can also use the Python script named jevents.py with the following steps. Get the supporting PMU events for the specified CPU. The GitHub repository …
Using ARM Performance Monitor Unit (PMU) Linux Driver
Mar 8, 2015 · The ARM PMU driver and perf_event_open system call provide a far more robust solution for accessing the ARM PMU from Linux applications. The driver takes care of all of …
Part1 Use Perf with PMU feature Enabled on Armv8 A CPUs - Arm …
Aug 8, 2023 · If ARM_PMU and HW_PERF_EVENTS are not enabled, set the kernel configurations as follows and rebuild the kernel. CONFIG_HAVE_PERF_EVENTS=y …
Part2 Use Perf with PMU feature Enabled on Armv8 A CPUs - Arm …
Aug 15, 2023 · For Cortex-A53, one cycle counter is for counting cpu_cycles, and six event counters are for counting inst_retired, mem_access and cache related PMU events. The Arm …
Part3 Use Perf with PMU feature Enabled on Armv8 A CPUs - Arm …
Aug 22, 2023 · If more PMU events are recorded by perf record, perf report shows a pop-up an menu for you to choose which PMU event to analyze. Figure 1: Overhead of PMU event …
Arm Neoverse N1 – Performance Analysis Methodology
Oct 7, 2021 · Choosing the right PMU events and following a methodology can make time spent on profiling and optimization more effective. It helps to have a high-level understanding of the …
Neoverse V1 Performance Analysis whitepaper - Arm Community
Feb 6, 2023 · 2) Arm Neoverse V1 PMU Guide (direct download): This document provides a comprehensive overview of all hardware PMU events, including micro-architecture and …
Arm A-Profile Architecture Developments 2021
Sep 8, 2021 · Performance Monitoring Unit (PMU) updates. The Performance Monitoring Unit (PMU) is an important tool for helping developers to understand how efficiently their code runs …
Statistical Profile Extension: extracting value from ... - Arm …
Dec 8, 2023 · Arm SPE is a hardware-assisted CPU profiling mechanism that offers detailed profiling capabilities. It records key execution data, including program counters, data …